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 ML180DF045E36A 80% AFUE 44,000 BTU 14.5" Downflow Gas Furnace
The Lennox ML180DF045E36A is a Merit Series single-stage gas furnace rated 44,000 BTU input and 36,000 BTU output...Regular price $1,132.84Sale price $1,132.84 Regular price -
Quick view Lennox ML180DF070E36A 80% AFUE 66,000 BTU 14.5" Downflow Gas Furnace
The Lennox ML180DF070E36A is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output...Regular price $1,186.57Sale price $1,186.57 Regular price -
Quick view Lennox ML180UH135E60D 80% AFUE 132,000 BTU 24.5" Gas Furnace
The Lennox ML180UH135E60D is a Merit Series single-stage gas furnace rated 132,000 BTU input and 107,000 BTU output...Regular price $1,355.22Sale price $1,355.22 Regular price -
Quick view Lennox EL195UH080NE48C 95% AFUE 80,000 BTU 21" Gas Furnace
The Lennox EL195UH080NE48C is an Elite Series single-stage gas furnace rated 80,000 BTU input and 78,000 BTU output...Regular price $6,417.91Sale price $6,417.91 Regular price -
Quick view Lennox ML180DF090E48B 80% AFUE 88,000 BTU 17.5" Downflow Gas Furnace
The Lennox ML180DF090E48B is a Merit Series single-stage gas furnace rated 88,000 BTU input and 72,000 BTU output...Regular price $1,317.91Sale price $1,317.91 Regular price -
Quick view Lennox EL195UH040NE36BK 95% AFUE 40,000 BTU 17.5" Wide Furnace
The Lennox EL195UH040NE36BK is an Elite Series single-stage gas furnace rated 40,000 BTU input and 39,000 BTU output...Regular price $5,820.90Sale price $5,820.90 Regular price -
Quick view Lennox ML196UH070XE48B 96% AFUE 66,000 BTU 17.5" Gas Furnace
The Lennox ML196UH070XE48B is a Merit Series single-stage gas furnace rated 66,000 BTU input and 64,000 BTU output...Regular price $2,204.48Sale price $2,204.48 Regular price -
Save $945.40Quick view Lennox ML180UH090E48B 80% AFUE 88,000 BTU 17.5" Gas Furnace
The Lennox ML180UH090E48B is a Merit Series single-stage gas furnace rated 88,000 BTU input and 72,000 BTU output...Regular price $1,208.96Sale price $1,208.96 Regular price$2,154.36
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.