{"title":"Lennox 66,000 BTU Furnaces","description":"\u003cdiv class=\"hvac-desc-lead\"\u003e\n\u003cp\u003eLennox gas furnaces at 66,000 BTU input, in Merit ML180, ML193, ML196, and ML296, Elite EL196, EL280, and EL297, and Dave Lennox Signature Collection SL280 models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hvac-desc-more\"\u003e\n\u003cp\u003eRatings run 80% to 97% AFUE, in 14.5 and 17.5 inch upflow\/horizontal (UH) and downflow (DF) versions.\u003c\/p\u003e\n\u003ch2\u003eChoosing a 66,000 BTU Lennox furnace\u003c\/h2\u003e\n\u003cp\u003eThe ML180, EL280, and SL280 are 80% AFUE and typically vent through a metal flue, which often makes for a simpler swap when you're replacing another 80% furnace. The ML193, ML196, ML296, EL196, and EL297 are condensing furnaces, so plan for PVC venting and a condensate drain. The ML180, ML193, ML196, and EL196 are single-stage. The ML296, EL280, EL297, and SL280 are two-stage, with a low stage for milder days. Size the furnace from a load calculation, then match the cabinet width to your space and your \u003ca href=\"\/collections\/lennox-evaporator-coils\"\u003eevaporator coil\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eTo compare by efficiency, see Lennox \u003ca href=\"\/collections\/lennox-80-afue-furnaces\"\u003e80%\u003c\/a\u003e, \u003ca href=\"\/collections\/lennox-93-afue-furnaces\"\u003e93%\u003c\/a\u003e, \u003ca href=\"\/collections\/lennox-96-afue-furnaces\"\u003e96%\u003c\/a\u003e, and \u003ca href=\"\/collections\/lennox-97-afue-furnaces\"\u003e97%\u003c\/a\u003e AFUE furnaces. Need a different size? See \u003ca href=\"\/collections\/lennox-60-000-btu-furnaces\"\u003eLennox 60,000 BTU furnaces\u003c\/a\u003e and \u003ca href=\"\/collections\/lennox-80-000-btu-furnaces\"\u003eLennox 80,000 BTU furnaces\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eCall (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order. Free shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Each product page shows whether an item qualifies. HVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"lennox-el297uh070xv36bk-66-000-furnace","title":"Lennox EL297UH070XV36BK 97% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox EL297UH070XV36BK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 490 to 1,365 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 50 to 80°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258844135586,"sku":"EL297UH070XV36BK","price":3668.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/EL297UH070XV36BK.jpg?v=1788818851"},{"product_id":"lennox-el297uh070xe36bk-66-000-furnace","title":"Lennox EL297UH070XE36BK 97% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox EL297UH070XE36BK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 65,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 65,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 550 to 1,380 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258845020322,"sku":"EL297UH070XE36BK","price":2946.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/EL297UH070XE36BK.jpg?v=1788819379"},{"product_id":"lennox-el196uh070xe36bk-66-000-furnace","title":"Lennox EL196UH070XE36BK 96% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox EL196UH070XE36BK is an Elite Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 550 to 1,380 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 1 means single-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258845479074,"sku":"EL196UH070XE36BK","price":2816.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_057444d2-446d-4850-bbbb-eb19778f8ca3.jpg?v=1788737922"},{"product_id":"lennox-el280uh070e36ak-66-000-furnace","title":"Lennox EL280UH070E36AK 80% AFUE 66,000 BTU 14.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox EL280UH070E36AK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 54,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a constant torque blower sized for 2 to 3.5 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 54,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 350 to 1,375 cfm, for 2 to 3.5 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F on high fire, 20 to 50°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, A is the 14.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258845741218,"sku":"EL280UH070E36AK","price":2432.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/EL280UH070E36AK.jpg?v=1788818744"},{"product_id":"lennox-el280uh070xe36a-66-000-furnace","title":"Lennox EL280UH070XE36A 80% AFUE 66,000 BTU 14.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox EL280UH070XE36A is an Elite Series two-stage gas furnace rated 66,000 BTU input and 54,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a constant torque blower sized for 2 to 3.5 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 54,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 350 to 1,375 cfm, for 2 to 3.5 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F on high fire, 20 to 50°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258845905058,"sku":"EL280UH070XE36A","price":2364.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/EL280UH070XE36A.jpg?v=1788818758"},{"product_id":"lennox-ml296uh070xv36bk-66-000-furnace","title":"Lennox ML296UH070XV36BK 96% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML296UH070XV36BK is a Merit Series two-stage gas furnace rated 66,000 BTU input and 62,000 BTU output on high fire at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 62,000 BTU output, 96% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 500 to 1,365 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 50 to 80°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 2 means two-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258846527650,"sku":"ML296UH070XV36BK","price":2708.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML296UH070XV36BK.jpg?v=1788819119"},{"product_id":"lennox-ml196uh070xe36bk-66-000-furnace","title":"Lennox ML196UH070XE36BK 96% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML196UH070XE36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 550 to 1,380 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258848133282,"sku":"ML196UH070XE36BK","price":2274.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML196UH070XE36BK.jpg?v=1788819064"},{"product_id":"lennox-ml196uh070xe48bk-66-000-furnace","title":"Lennox ML196UH070XE48BK 96% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML196UH070XE48BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 2.5 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 835 to 1,855 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258848198818,"sku":"ML196UH070XE48BK","price":2320.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML196UH070XE48BK.jpg?v=1788819071"},{"product_id":"lennox-ml193uh070xe36bk-66-000-furnace","title":"Lennox ML193UH070XE36BK 93% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML193UH070XE36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 63,000 BTU output at 93% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 63,000 BTU output, 93% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 355 to 1,430 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 93 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258848493730,"sku":"ML193UH070XE36BK","price":1794.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML193UH070XE36BK.jpg?v=1788819014"},{"product_id":"lennox-ml180uh070v36ak-66-000-furnace","title":"Lennox ML180UH070V36AK 80% AFUE 66,000 BTU 14.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070V36AK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a variable speed blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 400 to 1,345 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 36 is the nominal add-on cooling size, A is the 14.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258848723106,"sku":"ML180UH070V36AK","price":1616.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_145f6942-6a51-445e-b9f1-77c43247bd6b.jpg?v=1788737887"},{"product_id":"lennox-ml180uh070v48bk-66-000-furnace","title":"Lennox ML180UH070V48BK 80% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070V48BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2.5 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp variable speed motor, 430 to 1,850 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258848755874,"sku":"ML180UH070V48BK","price":1698.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_a1ced54b-ad3d-4034-b986-5c2b9a03712a.jpg?v=1788737886"},{"product_id":"lennox-ml180uh070v36bk-66-000-furnace","title":"Lennox ML180UH070V36BK 80% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070V36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 370 to 1,290 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258848788642,"sku":"ML180UH070V36BK","price":1765.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_86ebdebf-97d8-436d-ac97-1e1963c40c64.jpg?v=1788737885"},{"product_id":"lennox-ml180uh070e36ak-66-000-furnace","title":"Lennox ML180UH070E36AK 80% AFUE 66,000 BTU 14.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070E36AK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 625 to 1,435 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, A is the 14.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code. For California, the ML180UH070XE36AK meets the state's 40 ng\/J NOx standard, but Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258849050786,"sku":"ML180UH070E36AK","price":1164.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML180UH070E36AK.jpg?v=1788818927"},{"product_id":"lennox-ml180uh070e36bk-66-000-furnace","title":"Lennox ML180UH070E36BK 80% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070E36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 395 to 1,415 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code. For California, the ML180UH070XE36BK meets the state's 40 ng\/J NOx standard, but Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258849116322,"sku":"ML180UH070E36BK","price":1164.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML180UH070E36BK.jpg?v=1788818934"},{"product_id":"lennox-ml180uh070xe36ak-66-000-furnace","title":"Lennox ML180UH070XE36AK 80% AFUE 66,000 BTU 14.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070XE36AK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 625 to 1,435 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, A is the 14.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258849345698,"sku":"ML180UH070XE36AK","price":2686.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML180UH070XE36AK.jpg?v=1788818941"},{"product_id":"lennox-ml180uh070xe36bk-66-000-furnace","title":"Lennox ML180UH070XE36BK 80% AFUE 66,000 BTU 17.5\" Wide Furnace","description":"\u003cp\u003eThe Lennox ML180UH070XE36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 395 to 1,415 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47258849378466,"sku":"ML180UH070XE36BK","price":2835.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/ML180UH070XE36BK.jpg?v=1788818949"},{"product_id":"lennox-slp99uh070xv36bk-66-000-furnace","title":"Lennox SLP99UH070XV36BK 98.1% AFUE 66,000 BTU 17.5\" Modulating Variable-Speed Gas Furnace","description":"\u003cp\u003eThe SLP99UH070XV36BK gas furnace from Lennox is 98.1% AFUE and 66,000 BTU. Dave Lennox Signature. Built as modulating in a 17.5-inch cabinet for upflow\/horizontal installs.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SLP99UH070XV36BK\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 98.1% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 17.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: modulating\u003c\/li\u003e\n\u003cli\u003eConfiguration: upflow\/horizontal\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627468996770,"sku":"SLP99UH070XV36BK","price":4135.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_a6936604-b888-4616-95ca-06386de56ac2.jpg?v=1788738046"},{"product_id":"lennox-slp99df070xv36bk-66-000-furnace","title":"Lennox SLP99DF070XV36BK 97.5% AFUE 66,000 BTU 17.5\" Modulating Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox SLP99DF070XV36BK is a 97.5% AFUE Dave Lennox Signature gas furnace rated 66,000 BTU. It is a modulating cabinet at 17.5 inches wide with downflow airflow.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SLP99DF070XV36BK\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 97.5% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 17.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: modulating\u003c\/li\u003e\n\u003cli\u003eConfiguration: downflow\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627469193378,"sku":"SLP99DF070XV36BK","price":4470.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_64523608-d7f7-476b-9dd3-2a25d1bf7eaa.jpg?v=1788738057"},{"product_id":"lennox-sl280uh070v36ak-66-000-furnace","title":"Lennox SL280UH070V36AK 80% AFUE 66,000 BTU 14.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThis Dave Lennox Signature gas furnace (SL280UH070V36AK) runs at 80% AFUE with 66,000 BTU input. 14.5-inch cabinet, variable-speed, upflow\/horizontal.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SL280UH070V36AK\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 80% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 14.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: variable-speed\u003c\/li\u003e\n\u003cli\u003eConfiguration: upflow\/horizontal\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627469488290,"sku":"SL280UH070V36AK","price":2617.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_f1bb5f5b-60b2-436b-90af-8526d1d9e87c.jpg?v=1788738074"},{"product_id":"lennox-sl280df070v36ak-66-000-furnace","title":"Lennox SL280DF070V36AK 80% AFUE 66,000 BTU 14.5\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eSpec snapshot for Lennox SL280DF070V36AK - 80% AFUE, 66,000 BTU, variable-speed, 14.5-inch width, downflow, Dave Lennox Signature.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SL280DF070V36AK\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 80% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 14.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: variable-speed\u003c\/li\u003e\n\u003cli\u003eConfiguration: downflow\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627469684898,"sku":"SL280DF070V36AK","price":3028.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_a13a85be-3d2f-4026-ab01-1c12cc1fa2b8.jpg?v=1788738085"},{"product_id":"lennox-sl280uh070xv36ak-66-000-furnace","title":"Lennox SL280UH070XV36AK 80% AFUE 66,000 BTU 14.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox SL280UH070XV36AK is an 80% AFUE Dave Lennox Signature gas furnace rated 66,000 BTU. It is a variable-speed cabinet at 14.5 inches wide with upflow\/horizontal airflow.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SL280UH070XV36AK\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 80% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 14.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: variable-speed\u003c\/li\u003e\n\u003cli\u003eConfiguration: upflow\/horizontal\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627470209186,"sku":"SL280UH070XV36AK","price":2504.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_a7913145-06a2-4468-a843-22b423a93269.jpg?v=1788738149"},{"product_id":"lennox-el297df070xv48bk-66-000-furnace","title":"Lennox EL297DF070XV48BK 97% AFUE 66,000 BTU 17.5\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox EL297DF070XV48BK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a variable speed blower sized for 2.5 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp variable speed motor, 575 to 1,800 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL16KC1, EL18KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627470569634,"sku":"EL297DF070XV48BK","price":3856.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_a1f1d871-322d-4163-abd9-bdc5076f66d1.jpg?v=1788738174"},{"product_id":"lennox-el297df070xe48bk-66-000-furnace","title":"Lennox EL297DF070XE48BK 97% AFUE 66,000 BTU 17.5\" Two-Stage Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox EL297DF070XE48BK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 65,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 2 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 65,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 520 to 1,770 cfm, for 2 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627470733474,"sku":"EL297DF070XE48BK","price":3135.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_570e1e26-f69a-4302-bd4e-d6b766a2716e.jpg?v=1788738183"},{"product_id":"lennox-el280df070e36ak-66-000-furnace","title":"Lennox EL280DF070E36AK 80% AFUE 66,000 BTU 14.5\" Two-Stage Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox EL280DF070E36AK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 52,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs downflow, and has a constant torque blower sized for 1.5 to 3.5 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 52,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 400 to 1,475 cfm, for 1.5 to 3.5 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F on high fire, 20 to 50°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 80 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, A is the 14.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with A in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox ML13KC1 air conditioners, plus EL18KSLV heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627470831778,"sku":"EL280DF070E36AK","price":2550.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_fa9b5d2e-33f3-4ff0-bb60-c06f0575bf6e.jpg?v=1788738190"},{"product_id":"lennox-ml296df070xv48bk-66-000-furnace","title":"Lennox ML296DF070XV48BK 96% AFUE 66,000 BTU 17.5\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML296DF070XV48BK is a Merit Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output on high fire at 96% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a variable speed blower sized for 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp variable speed motor, 575 to 1,800 cfm, for 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 2 means two-stage, 96 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627470930082,"sku":"ML296DF070XV48BK","price":2864.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_586b75ef-639d-4d97-b836-f332617836f5.jpg?v=1788738196"},{"product_id":"lennox-ml196df070xe48bk-66-000-furnace","title":"Lennox ML196DF070XE48BK 96% AFUE 66,000 BTU 17.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML196DF070XE48BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 2 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 525 to 1,720 cfm, for 2 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 96 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627471061154,"sku":"ML196DF070XE48BK","price":2465.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_eb1ea93d-c9c2-4ce9-85bd-191475c2be30.jpg?v=1788738203"},{"product_id":"lennox-ml193df070xe36bk-66-000-furnace","title":"Lennox ML193DF070XE36BK 93% AFUE 66,000 BTU 17.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML193DF070XE36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 63,000 BTU output at 93% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 63,000 BTU output, 93% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 340 to 1,415 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 93 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627471388834,"sku":"ML193DF070XE36BK","price":2059.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_c209d464-1236-4ed1-9f94-d09d77c08650.jpg?v=1788738211"},{"product_id":"lennox-ml180df070e36ak-66-000-furnace","title":"Lennox ML180DF070E36AK 80% AFUE 66,000 BTU 14.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML180DF070E36AK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 14.5-inch A cabinet, installs downflow, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 675 to 1,460 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, A is the 14.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with A in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL18KSLV heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627471487138,"sku":"ML180DF070E36AK","price":1246.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_e866ddbf-c5f6-4aab-add5-a48d6034b02d.jpg?v=1788738218"},{"product_id":"lennox-ml180df070e36bk-66-000-furnace","title":"Lennox ML180DF070E36BK 80% AFUE 66,000 BTU 17.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML180DF070E36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 54,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 54,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 430 to 1,475 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, B is the 17.5-inch cabinet, and K means the furnace is ready for Lennox refrigerant detection.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627471519906,"sku":"ML180DF070E36BK","price":1246.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_f3556489-ef39-458c-b40e-b224a31e9996.jpg?v=1788738220"},{"product_id":"lennox-slp99uh070xv36b-66-000-furnace","title":"Lennox SLP99UH070XV36B 98.1% AFUE 66,000 BTU 17.5\" Modulating Variable-Speed Gas Furnace","description":"\u003cp\u003eThe SLP99UH070XV36B gas furnace from Lennox is 98.1% AFUE and 66,000 BTU. Dave Lennox Signature. Built as modulating in a 17.5-inch cabinet for upflow\/horizontal installs.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SLP99UH070XV36B\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 98.1% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 17.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: modulating\u003c\/li\u003e\n\u003cli\u003eConfiguration: upflow\/horizontal\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627471618210,"sku":"SLP99UH070XV36B","price":4016.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_9b37b5b3-6642-46ad-94a2-e9adc8849f6a.jpg?v=1788738227"},{"product_id":"lennox-slp99df070xv36b-66-000-furnace","title":"Lennox SLP99DF070XV36B 97.5% AFUE 66,000 BTU 17.5\" Modulating Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eInstallers sizing a gas furnace can use SLP99DF070XV36B at 97.5% AFUE \/ 66,000 BTU. Listed cabinet: 17.5 inches. Modulating; downflow.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: SLP99DF070XV36B\u003c\/li\u003e\n\u003cli\u003eBrand: Lennox\u003c\/li\u003e\n\u003cli\u003eType: Furnace\u003c\/li\u003e\n\u003cli\u003eEfficiency: 97.5% AFUE\u003c\/li\u003e\n\u003cli\u003eInput: 66,000 BTU\u003c\/li\u003e\n\u003cli\u003eCabinet width: 17.5 inches\u003c\/li\u003e\n\u003cli\u003eStaging \/ motor: modulating\u003c\/li\u003e\n\u003cli\u003eConfiguration: downflow\u003c\/li\u003e\n\u003cli\u003eSeries: Dave Lennox Signature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall (913) 364-0070 - we'll size it, draft your order, then you buy online.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627471814818,"sku":"SLP99DF070XV36B","price":4350.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_86efb2af-3089-43c0-a727-5874690a271b.jpg?v=1788738239"},{"product_id":"lennox-sl280uh070v36a-66-000-furnace","title":"Lennox SL280UH070V36A 80% AFUE 66,000 BTU 14.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox SL280UH070V36A is a Dave Lennox Signature Collection two-stage gas furnace rated 66,000 BTU input and 52,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 52,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 606 to 1,345 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eSL is the Dave Lennox Signature Collection, 2 means two-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code. For California, the SL280UH070XV36A meets the state's 40 ng\/J NOx standard, but Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627472109730,"sku":"SL280UH070V36A","price":2502.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_aab49497-9d7a-47bf-8861-e4b2a6c6aac6.jpg?v=1788738255"},{"product_id":"lennox-sl280df070v36a-66-000-furnace","title":"Lennox SL280DF070V36A 80% AFUE 66,000 BTU 14.5\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox SL280DF070V36A is a Dave Lennox Signature Collection two-stage gas furnace rated 66,000 BTU input and 52,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs downflow, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 52,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 589 to 1,514 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eSL is the Dave Lennox Signature Collection, 2 means two-stage, 80 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with A in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL18KSLV heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627472306338,"sku":"SL280DF070V36A","price":2840.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_4482eb1d-b0ed-46c9-a430-4fdd32a43c50.jpg?v=1788738266"},{"product_id":"lennox-sl280uh070xv36a-66-000-furnace","title":"Lennox SL280UH070XV36A 80% AFUE 66,000 BTU 14.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox SL280UH070XV36A is a Dave Lennox Signature Collection two-stage gas furnace rated 66,000 BTU input and 52,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 52,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 606 to 1,345 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eSL is the Dave Lennox Signature Collection, 2 means two-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627472437410,"sku":"SL280UH070XV36A","price":2388.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_fd8d899a-eb8e-476a-8a83-8e5c77eda6df.jpg?v=1788738272"},{"product_id":"lennox-el297uh070xv36b-66-000-furnace","title":"Lennox EL297UH070XV36B 97% AFUE 66,000 BTU 17.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox EL297UH070XV36B is an Elite Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 490 to 1,365 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 50 to 80°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627472797858,"sku":"EL297UH070XV36B","price":3552.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_9d87ccba-7ae3-404c-991d-1e5f9c6ccec8.jpg?v=1788738292"},{"product_id":"lennox-el297df070xv48b-66-000-furnace","title":"Lennox EL297DF070XV48B 97% AFUE 66,000 BTU 17.5\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox EL297DF070XV48B is an Elite Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a variable speed blower sized for 2.5 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp variable speed motor, 575 to 1,800 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 48 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL16KC1, EL18KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627473092770,"sku":"EL297DF070XV48B","price":4688.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_9e582627-87d6-4583-9e51-2e75138388ed.jpg?v=1788738306"},{"product_id":"lennox-el297uh070xe36b-66-000-furnace","title":"Lennox EL297UH070XE36B 97% AFUE 66,000 BTU 17.5\" Two-Stage Gas Furnace","description":"\u003cp\u003eThe Lennox EL297UH070XE36B is an Elite Series two-stage gas furnace rated 66,000 BTU input and 65,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 65,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 550 to 1,380 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627473715362,"sku":"EL297UH070XE36B","price":3237.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_340c1f31-9375-4050-9b2b-b13c124cc89d.jpg?v=1788738313"},{"product_id":"lennox-el297df070xe48b-66-000-furnace","title":"Lennox EL297DF070XE48B 97% AFUE 66,000 BTU 17.5\" Two-Stage Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox EL297DF070XE48B is an Elite Series two-stage gas furnace rated 66,000 BTU input and 65,000 BTU output on high fire at 97% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 2 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 65,000 BTU output, 97% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 520 to 1,770 cfm, for 2 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 97 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627473879202,"sku":"EL297DF070XE48B","price":3417.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_c950ebed-c41a-46d2-96be-d6f1047e6bb5.jpg?v=1788738322"},{"product_id":"lennox-el196uh070xe36b-66-000-furnace","title":"Lennox EL196UH070XE36B 96% AFUE 66,000 BTU 17.5\" Gas Furnace","description":"\u003cp\u003eThe Lennox EL196UH070XE36B is an Elite Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 550 to 1,380 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 1 means single-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627474075810,"sku":"EL196UH070XE36B","price":2700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_2025b630-9b05-4206-91d5-57d95ee61d32.jpg?v=1788738339"},{"product_id":"lennox-el280uh070e36a-66-000-furnace","title":"Lennox EL280UH070E36A 80% AFUE 66,000 BTU 14.5\" Two-Stage Gas Furnace","description":"\u003cp\u003eThe Lennox EL280UH070E36A is an Elite Series two-stage gas furnace rated 66,000 BTU input and 54,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a constant torque blower sized for 2 to 3.5 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 54,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 350 to 1,375 cfm, for 2 to 3.5 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F on high fire, 20 to 50°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code. For California, the EL280UH070XE36A meets the state's 40 ng\/J NOx standard, but Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627474337954,"sku":"EL280UH070E36A","price":2364.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_3a86aa56-5b82-4154-949a-9f4be4799c4e.jpg?v=1788738357"},{"product_id":"lennox-el280df070e36a-66-000-furnace","title":"Lennox EL280DF070E36A 80% AFUE 66,000 BTU 14.5\" Two-Stage Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox EL280DF070E36A is an Elite Series two-stage gas furnace rated 66,000 BTU input and 52,000 BTU output on high fire at 80% AFUE. It comes in a 14.5-inch A cabinet, installs downflow, and has a constant torque blower sized for 1.5 to 3.5 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 52,000 BTU output, 80% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 400 to 1,475 cfm, for 1.5 to 3.5 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F on high fire, 20 to 50°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eEL is Lennox's Elite line, 2 means two-stage, 80 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with A in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox ML13KC1 air conditioners, plus EL18KSLV heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast and San Joaquin Valley air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627474501794,"sku":"EL280DF070E36A","price":2435.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_4b0b1c9e-9e11-49ec-906b-8c6b45215525.jpg?v=1788738369"},{"product_id":"lennox-ml296uh070xv36b-66-000-furnace","title":"Lennox ML296UH070XV36B 96% AFUE 66,000 BTU 17.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox ML296UH070XV36B is a Merit Series two-stage gas furnace rated 66,000 BTU input and 62,000 BTU output on high fire at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 62,000 BTU output, 96% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 500 to 1,365 cfm, for 2 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 50 to 80°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 2 means two-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627474731170,"sku":"ML296UH070XV36B","price":2594.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_ad5d5eb5-63cf-445b-b3f8-c88d6e0d4e82.jpg?v=1788738385"},{"product_id":"lennox-ml296df070xv48b-66-000-furnace","title":"Lennox ML296DF070XV48B 96% AFUE 66,000 BTU 17.5\" Variable-Speed Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML296DF070XV48B is a Merit Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output on high fire at 96% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a variable speed blower sized for 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, two-stage, 43,000 BTU input on low fire\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp variable speed motor, 575 to 1,800 cfm, for 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F on high fire, 25 to 55°F on low fire\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 2 means two-stage, 96 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, V is the variable speed blower motor, 48 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627474862242,"sku":"ML296DF070XV48B","price":2749.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_e86d6d5d-900d-4215-8b67-db9f29f7b3a2.jpg?v=1788738395"},{"product_id":"lennox-ml196uh070xe36b-66-000-furnace","title":"Lennox ML196UH070XE36B 96% AFUE 66,000 BTU 17.5\" Gas Furnace","description":"\u003cp\u003eThe Lennox ML196UH070XE36B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 550 to 1,380 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627474993314,"sku":"ML196UH070XE36B","price":2159.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_29ab966a-6116-44fd-a55b-6955b10a6d93.jpg?v=1788738404"},{"product_id":"lennox-ml196uh070xe48b-66-000-furnace","title":"Lennox ML196UH070XE48B 96% AFUE 66,000 BTU 17.5\" Gas Furnace","description":"\u003cp\u003eThe Lennox ML196UH070XE48B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 2.5 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 835 to 1,855 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 96 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627475026082,"sku":"ML196UH070XE48B","price":2204.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_52f2a6e4-c8f9-4e1f-be0c-5c735dc4af47.jpg?v=1788738406"},{"product_id":"lennox-ml196df070xe48b-66-000-furnace","title":"Lennox ML196DF070XE48B 96% AFUE 66,000 BTU 17.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML196DF070XE48B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output at 96% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 2 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 64,000 BTU output, 96% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp constant torque motor, 525 to 1,720 cfm, for 2 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 35 to 65°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 96 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 48 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627475255458,"sku":"ML196DF070XE48B","price":2349.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_e87bb7d0-7dc2-4c21-b0e4-6728d359664a.jpg?v=1788738421"},{"product_id":"lennox-ml193uh070xe36b-66-000-furnace","title":"Lennox ML193UH070XE36B 93% AFUE 66,000 BTU 17.5\" Gas Furnace","description":"\u003cp\u003eThe Lennox ML193UH070XE36B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 63,000 BTU output at 93% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 63,000 BTU output, 93% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 355 to 1,430 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 93 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627475419298,"sku":"ML193UH070XE36B","price":2158.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_a73d2a6d-7ef9-4cec-aa43-fff81e8bd53b.jpg?v=1788738431"},{"product_id":"lennox-ml193df070xe36b-66-000-furnace","title":"Lennox ML193DF070XE36B 93% AFUE 66,000 BTU 17.5\" Downflow Gas Furnace","description":"\u003cp\u003eThe Lennox ML193DF070XE36B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 63,000 BTU output at 93% AFUE. It comes in a 17.5-inch B cabinet, installs downflow, and has a constant torque blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 63,000 BTU output, 93% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, downflow\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp constant torque motor, 340 to 1,415 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 40 to 70°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 93 is the AFUE, and DF is downflow. 070 is the 66,000 BTU input, X means it meets California's 40 ng\/J NOx standard, E is the high efficiency constant torque blower motor, 36 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eDownflow coils with the same letter match the furnace's supply air opening, so you want a Lennox CK40DT coil with B in its size code.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40DT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eEven with the X low NOx code, Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eFree shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627475615906,"sku":"ML193DF070XE36B","price":2316.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_42ea9e27-b71b-4030-aed9-2613380e8452.jpg?v=1788738441"},{"product_id":"lennox-ml180uh070v36a-66-000-furnace","title":"Lennox ML180UH070V36A 80% AFUE 66,000 BTU 14.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox ML180UH070V36A is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 14.5-inch A cabinet, installs upflow or horizontal, and has a variable speed blower sized for 1.5 to 3 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: A size, 14.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 1\/2 hp variable speed motor, 400 to 1,345 cfm, for 1.5 to 3 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 36 is the nominal add-on cooling size, and A is the 14.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with A in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627475746978,"sku":"ML180UH070V36A","price":1388.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_93b14ede-fec2-418a-a20f-fd842a77f371.jpg?v=1788738448"},{"product_id":"lennox-ml180uh070v48b-66-000-furnace","title":"Lennox ML180UH070V48B 80% AFUE 66,000 BTU 17.5\" Variable-Speed Gas Furnace","description":"\u003cp\u003eThe Lennox ML180UH070V48B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output at 80% AFUE. It comes in a 17.5-inch B cabinet, installs upflow or horizontal, and has a variable speed blower sized for 2.5 to 4 tons of add-on cooling.\u003c\/p\u003e\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: 66,000 BTU input, 53,000 BTU output, 80% AFUE, single-stage\u003c\/li\u003e\n\u003cli\u003eCabinet: B size, 17.5 inches wide, upflow or horizontal (left or right)\u003c\/li\u003e\n\u003cli\u003eBlower: 3\/4 hp variable speed motor, 430 to 1,850 cfm, for 2.5 to 4 tons of cooling\u003c\/li\u003e\n\u003cli\u003eTemperature rise: 30 to 60°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReading the model number\u003c\/h2\u003e\n\u003cp\u003eML is Lennox's Merit line, 1 means single-stage, 80 is the AFUE, and UH is upflow\/horizontal. 070 is the 66,000 BTU input, V is the variable speed blower motor, 48 is the nominal add-on cooling size, and B is the 17.5-inch cabinet.\u003c\/p\u003e\n\u003ch2\u003eWhat it pairs with\u003c\/h2\u003e\n\u003cp\u003eCoils with the same letter physically match the furnace, so you want a Lennox coil with B in its size code, such as a CK40CT, CK40HT, or CK40UT.\u003c\/p\u003e\n\u003cp\u003eThe AHRI Directory lists this furnace in certified systems with CK40CT, CK40HT, and CK40UT coils and Lennox EL15KC1, EL16KC1, EL18KCV, EL22KCV, ML13KC1, ML14KC1, and ML17KC2 air conditioners, plus EL16KP1, EL18KSLV, EL19KPV, EL21KLV, and ML14KP1 heat pumps. Your efficiency rating depends on the exact outdoor unit, coil, and furnace together.\u003c\/p\u003e\n\u003ch2\u003eSizing and fit\u003c\/h2\u003e\n\u003cp\u003eSize the furnace from a Manual J load calculation. Filters and filter mounting aren't included, so plan for a filter rack.\u003c\/p\u003e\n\u003cp\u003eThis model doesn't carry the X low NOx code, and Lennox says this furnace series can't go in the South Coast, San Joaquin Valley, and Bay Area air districts. It isn't certified for mobile homes, RVs, or outdoor installs.\u003c\/p\u003e\n\u003ch2\u003eWarranty and registration\u003c\/h2\u003e\n\u003cp\u003eHVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.\u003c\/p\u003e\n\u003ch2\u003eShipping and help\u003c\/h2\u003e\n\u003cp\u003eIt ships from our Kansas City warehouse. Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":47627475779746,"sku":"ML180UH070V48B","price":1508.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3352\/5410\/files\/download_e42ce2d1-bb61-42a4-9f86-a3ed2bab2af2.jpg?v=1788738450"}],"url":"https:\/\/hvacusa.store\/collections\/lennox-66-000-btu-furnaces.oembed","provider":"HVAC USA","version":"1.0","type":"link"}