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 ML180UH135E60DK 80% AFUE 132,000 BTU 24.5" Wide Furnace
The Lennox ML180UH135E60DK is a Merit Series single-stage gas furnace rated 132,000 BTU input and 107,000 BTU output...Regular price $1,422.39Sale price $1,422.39 Regular price -
Quick view Lennox ML180UH110E60C 80% AFUE 110,000 BTU 21" Gas Furnace
The Lennox ML180UH110E60C is a Merit Series single-stage gas furnace rated 110,000 BTU input and 90,000 BTU output...Regular price $1,329.85Sale price $1,329.85 Regular price -
Quick view Lennox EL195UH040NE36B 95% AFUE 40,000 BTU 17.5" Gas Furnace
The Lennox EL195UH040NE36B is an Elite Series single-stage gas furnace rated 40,000 BTU input and 39,000 BTU output...Regular price $5,522.39Sale price $5,522.39 Regular price -
Quick view Lennox ML180UH070V36BK 80% AFUE 66,000 BTU 17.5" Wide Furnace
The Lennox ML180UH070V36BK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output...Regular price $1,765.67Sale price $1,765.67 Regular price -
Save $985.06Quick view Lennox ML180UH110V60C 80% AFUE 110,000 BTU 21" Variable-Speed Gas Furnace
The Lennox ML180UH110V60C is a Merit Series single-stage gas furnace rated 110,000 BTU input and 90,000 BTU output...Regular price $1,700.00Sale price $1,700.00 Regular price$2,685.06 -
Quick view Lennox EL196UH090XE48C 96% AFUE 88,000 BTU 21" Gas Furnace
The Lennox EL196UH090XE48C is an Elite Series single-stage gas furnace rated 88,000 BTU input and 86,000 BTU output...Regular price $2,822.39Sale price $2,822.39 Regular price -
Save $907.00Quick view Lennox ML180UH070E36B 80% AFUE 66,000 BTU 17.5" Gas Furnace
The Lennox ML180UH070E36B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output...Regular price $1,107.46Sale price $1,107.46 Regular price$2,014.46 -
Quick view Lennox ML180DF070E36B 80% AFUE 66,000 BTU 17.5" Downflow Gas Furnace
The Lennox ML180DF070E36B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 54,000 BTU output...Regular price $1,186.57Sale price $1,186.57 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.