Furnaces

Designed to deliver reliable and economical warmth, Lennox® furnaces have efficiency ratings from 80% all the way up to 98.2% AFUE (annual fuel utilization efficiency). And many are ENERGY STAR® qualified, which means they can significantly lower your utility bills, compared with conventional models. For optimal comfort and efficiency, a gas furnace can be combined with an electric heat pump in one dual-fuel system.

ENERGY STAR® Product		Energy Efficiency (AFUE)	Price Guide*
Gas Furnaces SLP98V Variable-Capacity Gas Furnace		up to 98.2	$$$
The most efficient and quietest furnace you can buy!
SL280V Variable Speed Gas Furnace		up to 80	$$$
The quietest furnace in its class
G61V High-Efficiency Gas Furnace		up to 95	$$$
High-efficiency, variable speed gas furnace
G61 Gas Furnace		up to 95	$$
Two-stage, high-efficiency heating
EL195 Gas Furnace		up to 95	$$
High-efficiency, high-comfort heating
G60 Gas Furnace		up to 80	$$
Efficient, consistent two-stage heating
G50 Gas Furnace		up to 80	$$
Efficient, consistent home heating
ML193 Gas Furnace		up to 93	$
Economical, high-efficiency gas furnace
ML180 Gas Furnace		up to 80	$
Economical, standard-efficiency gas heating