Lennox Single Stage Furnaces
Lennox single-stage gas furnaces from 30,000 to 132,000 BTU, rated 80% to 96% AFUE.
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Quick view Lennox ML180UH090XE48B 80% AFUE 88,000 BTU 17.5" Gas Furnace
The Lennox ML180UH090XE48B is a Merit Series single-stage gas furnace rated 88,000 BTU input and 72,000 BTU output...Regular price $2,835.82Sale price $2,835.82 Regular price -
Quick view Lennox ML193UH070XE36BK 93% AFUE 66,000 BTU 17.5" Wide Furnace
The Lennox ML193UH070XE36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 63,000 BTU output...Regular price $1,794.03Sale price $1,794.03 Regular price -
Save $948.76Quick view Lennox ML180UH045V36A 80% AFUE 44,000 BTU 14.5" Variable-Speed Gas Furnace
The Lennox ML180UH045V36A is a Merit Series single-stage gas furnace rated 44,000 BTU input and 36,000 BTU output...Regular price $1,343.28Sale price $1,343.28 Regular price$2,292.04 -
Quick view Lennox ML196UH090XE48CK 96% AFUE 88,000 BTU 21" Wide Furnace
The Lennox ML196UH090XE48CK is a Merit Series single-stage gas furnace rated 88,000 BTU input and 86,000 BTU output...Regular price $2,395.52Sale price $2,395.52 Regular price -
Quick view Lennox ML196UH110XE60CK 96% AFUE 110,000 BTU 21" Wide Furnace
The Lennox ML196UH110XE60CK is a Merit Series single-stage gas furnace rated 110,000 BTU input and 107,000 BTU output...Regular price $2,610.45Sale price $2,610.45 Regular price -
Quick view Lennox EL180UH040NE36A 80% AFUE 40,000 BTU 14.5" Gas Furnace
The Lennox EL180UH040NE36A is an Elite Series single-stage gas furnace rated 40,000 BTU input and 33,000 BTU output...Regular price $4,925.37Sale price $4,925.37 Regular price -
Quick view Lennox EL196UH070XE36B 96% AFUE 66,000 BTU 17.5" Gas Furnace
The Lennox EL196UH070XE36B is an Elite Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output...Regular price $2,700.00Sale price $2,700.00 Regular price -
Quick view Lennox EL196UH110XE60C 96% AFUE 110,000 BTU 21" Gas Furnace
The Lennox EL196UH110XE60C is an Elite Series single-stage gas furnace rated 110,000 BTU input and 107,000 BTU output...Regular price $3,100.00Sale price $3,100.00 Regular price
The lineup covers the Merit ML180, ML193, and ML196 and the Elite EL180, EL195, and EL196, in 14.5 to 24.5 inch cabinets, upflow/horizontal and downflow.
Choosing a single-stage furnace
A single-stage furnace runs at full heat whenever it's on. That keeps the controls simple and makes it a common choice for a straight replacement. The ML180 and EL180 are 80% AFUE and typically vent through a metal flue. The ML193, ML196, EL195, and EL196 are condensing models that vent through PVC and need a condensate drain. For a low stage on milder days, see Lennox two-stage furnaces.
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 Single Stage Furnaces are known for.