Lennox® furnaces have efficiency ratings from 80% up to 95% AFUE. And many are ENERGY STAR® qualified, lowering your utility bills. For optimal comfort and efficiency, a gas furnace can be combined with an electric heat pump in one dual-fuel system.
SLP98V Variable-Capacity Gas Furnace
- Dave Lennox Signature®
- up to 98.2% AFUE $$$
- The most efficient and quietest furnace you can buy!
- Energy Star® qualified
- icomfort™-enabled technology - Allows the furnace, when installed with the easy-to-use programmable icomfort Touch thermostat, to exchange information and make adjustments as needed to optimize performance and efficiency.
G61V Variable Speed Gas Furnace
- Dave Lennox Signature®
- up to 95% $$$$
- The quietest furnace you can buy!
SL280V Variable Speed Gas Furnace
- Dave Lennox Signature®
- 80% $$$
- Dual-fuel capability - Can be combined with an electric heat pump to create a dual-fuel system.
G61 2-Stage Gas Furnace
- 94.1% $$$
- Two-stage, high-efficiency heating
G60 Gas Furnace
- 80.00% $$
- Efficient, consistent two-stage heating
G51 Gas Furnace
- 92.10% $$
- High-efficiency, high-comfort heating
G50 Gas Furnace
- 80.00% $$
- Efficient, consistent home heating
G43 Gas Furnace
- up to 92.10% $
- Economical, high-efficiency gas heating
G40 Gas Furnace
- 80.00% $
- Multi-position furnace designed to fit most any application
