Lennox Variable Speed Furnaces
Lennox gas furnaces with a variable-speed blower, from 30,000 to 132,000 BTU and 80% to 97.5% AFUE.
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Quick view Lennox ML296DF070XV48BK 96% AFUE 66,000 BTU 17.5" Variable-Speed Downflow Gas Furnace
The Lennox ML296DF070XV48BK is a Merit Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output...Regular price $2,864.18Sale price $2,864.18 Regular price -
Quick view Lennox ML296DF045XV36BK 96% AFUE 44,000 BTU 17.5" Variable-Speed Downflow Gas Furnace
The Lennox ML296DF045XV36BK is a Merit Series two-stage gas furnace rated 44,000 BTU input and 43,000 BTU output...Regular price $2,635.82Sale price $2,635.82 Regular price -
Quick view Lennox EL297DF110XV60CK 97% AFUE 110,000 BTU 21" Variable-Speed Downflow Gas Furnace
The Lennox EL297DF110XV60CK is an Elite Series two-stage gas furnace rated 110,000 BTU input and 108,000 BTU output...Regular price $4,304.48Sale price $4,304.48 Regular price -
Quick view Lennox EL297DF090XV60CK 97% AFUE 88,000 BTU 21" Variable-Speed Downflow Gas Furnace
The Lennox EL297DF090XV60CK is an Elite Series two-stage gas furnace rated 88,000 BTU input and 86,000 BTU output...Regular price $4,108.96Sale price $4,108.96 Regular price -
Quick view Lennox EL297DF070XV48BK 97% AFUE 66,000 BTU 17.5" Variable-Speed Downflow Gas Furnace
The Lennox EL297DF070XV48BK is an Elite Series two-stage gas furnace rated 66,000 BTU input and 64,000 BTU output...Regular price $3,856.72Sale price $3,856.72 Regular price -
Quick view Lennox EL297DF045XV36BK 97% AFUE 44,000 BTU 17.5" Variable-Speed Downflow Gas Furnace
The Lennox EL297DF045XV36BK is an Elite Series two-stage gas furnace rated 44,000 BTU input and 43,000 BTU output...Regular price $3,574.63Sale price $3,574.63 Regular price
You'll find the Merit ML180 and ML296, the Elite EL297, and the Dave Lennox Signature Collection SL280 and SL297 here.
What the variable-speed blower does
The variable-speed blower can run at lower speeds for gentler airflow and ramp up as the system calls for more. The ML180 is single-stage on the burner side. The ML296, EL297, SL280, and SL297 are two-stage. Check each product page for AFUE and cabinet width, then match the evaporator coil to that width.
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. 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.
Get Expert Help
Not sure which of these systems is right for your application? Our team can help you compare models, sizes, and configurations to ensure the best fit for your climate and space.
Reach out to us at (913) 364-0070 or info@hvacusa.store. Reach out to find the right system to help you experience the long-term reliability and performance that Lennox Variable Speed Furnaces are known for.