Designed to deliver reliable and economical warmth, Lennox® furnaces have efficiency ratings from 80% all the way up to 95% AFUE. And many are ENERGY STAR® qualified, which means they can significantly lower your utility bills, compared to conventional models. For optimal comfort and efficiency, a gas furnace can be combined with an electric heat pump in one dual-fuel system.

High Efficiency Signature® G71P Variable-Capacity Gas Furnace Elite® Series G61V Variable Speed Gas Furnace Elite® Series G61 Gas Furnace Elite® Series G51 Gas Furnace Merit® Series G43 Gas Furnace Standard Efficiency Signature® G60V Variable Speed Gas Furnace Elite® Series G60 Gas Furnace Elite® Series G50 Gas Furnace Merit® Series G40 Gas Furnace

Lennox Air Conditioners

Lennox Indoor Air Quality