Furnaces
Lennox® furnaces are some of the most efficient and quietest heating systems you can
buy*. They’re engineered for warmth and savings.
SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace
First-in-class, lowest emission furnace on the market* Learn More
Efficiency Rating (AFUE): up to 97.5
Price: $$$
SL280V Variable-Speed Gas Furnace
The quietest furnace in its class* Learn More
Efficiency Rating (AFUE): 80
Price: $$$
SL280NV Variable-Speed, Ultra-Low Emissions Gas Furnace
First-in-class, lowest emission furnace on the market* Learn More
Efficiency Rating (AFUE): 80
Price: $$$
EL296V High-Efficiency, Two-Stage Gas Furnace
High-efficiency, variable-speed gas furnace Learn More
Efficiency Rating (AFUE): 96
Price: $$
EL296E High-Efficiency, Two-Stage Gas Furnace
Two-stage furnace with Power Saver™ technology Learn More
Efficiency Rating (AFUE): 96
Price: $$
Two-stage gas furnace with constant-torque motor design for even temperatures Learn More
Efficiency Rating (AFUE): up to 80
Price: $$
Single-stage furnace with Power Saver™ technology Learn More
Efficiency Rating (AFUE): 96
Price: $$
EL195NE Ultra-Low Emissions Gas Furnace
First-in-class, lowest emission furnace on the market* Learn More
Efficiency Rating (AFUE): up to 95
Price: $$
EL180NE Ultra-Low Emissions Gas Furnace
First in class, lowest emission furnace on the market* Learn More
Efficiency Rating (AFUE): up to 80
Price: $$
Variable-speed gas furnace that heats the home evenly and efficiently Learn More
Efficiency Rating (AFUE): up to 96
Price: $
Single-stage, 96% fuel-efficient gas furnace with Power Saver™ constant-torque motor design Learn More
Efficiency Rating (AFUE): 96
Price: $
Single-stage gas furnace with constant-torque motor design for even temperatures and constant efficiency Learn More
Efficiency Rating (AFUE): up to 93
Price: $
Single-stage, 80% fuel-efficient gas furnace with variable-speed fan motor Learn More
Efficiency Rating (AFUE): up to 80
Price: $
Economical gas furnace with Power Saver™ technology Learn More
Efficiency Rating (AFUE): 80
Price: $
Standard-efficiency, single-stage, variable-speed oil furnace Learn More
Efficiency Rating (AFUE): 83
Price: $$