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 ML196UH135XE60DK 96% AFUE 132,000 BTU 24.5" Wide Furnace
The Lennox ML196UH135XE60DK is a Merit Series single-stage gas furnace rated 132,000 BTU input and 127,000 BTU output...Regular price $2,801.49Sale price $2,801.49 Regular price -
Quick view Lennox EL195UH100NE60C 95% AFUE 100,000 BTU 21" Gas Furnace
The Lennox EL195UH100NE60C is an Elite Series single-stage gas furnace rated 100,000 BTU input and 97,000 BTU output...Regular price $6,865.67Sale price $6,865.67 Regular price -
Quick view Lennox ML196UH090XE60CK 96% AFUE 88,000 BTU 21" Wide Furnace
The Lennox ML196UH090XE60CK is a Merit Series single-stage gas furnace rated 88,000 BTU input and 86,000 BTU output...Regular price $2,538.81Sale price $2,538.81 Regular price -
Quick view Lennox ML180UH070E36AK 80% AFUE 66,000 BTU 14.5" Wide Furnace
The Lennox ML180UH070E36AK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output...Regular price $1,164.18Sale price $1,164.18 Regular price -
Quick view Lennox ML180DF070E36AK 80% AFUE 66,000 BTU 14.5" Downflow Gas Furnace
The Lennox ML180DF070E36AK is a Merit Series single-stage gas furnace rated 66,000 BTU input and 53,000 BTU output...Regular price $1,246.27Sale price $1,246.27 Regular price -
Quick view Lennox ML193DF045XE36BK 93% AFUE 44,000 BTU 17.5" Downflow Gas Furnace
The Lennox ML193DF045XE36BK is a Merit Series single-stage gas furnace rated 44,000 BTU input and 43,000 BTU output...Regular price $2,005.97Sale price $2,005.97 Regular price -
Quick view Lennox EL196UH045XE36B 96% AFUE 44,000 BTU 17.5" Gas Furnace
The Lennox EL196UH045XE36B is an Elite Series single-stage gas furnace rated 44,000 BTU input and 43,000 BTU output...Regular price $2,526.87Sale price $2,526.87 Regular price -
Quick view Lennox ML180DF090E48BK 80% AFUE 88,000 BTU 17.5" Downflow Gas Furnace
The Lennox ML180DF090E48BK is a Merit Series single-stage gas furnace rated 88,000 BTU input and 72,000 BTU output...Regular price $1,383.58Sale price $1,383.58 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.