Furnaces
These state-of-the-art Gas Furnaces by Lennox are engineered to be the quietest heating units you can buy and provide you with cozy comfort all season long.
Good
Elite® Series G50
Better
Elite® Series G60

Fully insulated for quiet operation
Two-stage operation – Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
Efficiency ratings of 80% AFUE
SureLight® Ignition
20-Year Limited Warranty on heat exchanger
5-Year Limited Warranty on covered components
Product Brochure
Why 2 stage?

Fully insulated for quiet operation
Low-speed fan provides a consistent, continuous flow of warm air
Efficiency ratings of 80% AFUE
SureLight® Ignition
20-Year Limited Warranty on heat exchanger
5-Year Limited Warranty on covered components
Product Brochure

Best
Signature® Series G61

Two-stage, high-efficiency heating
Fully insulated for quiet operation
Two-stage heating with continuous fan operation – Makes the G61 gas furnace much quieter than standard single-stage furnaces
Two-stage operation – Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
Low-speed fan – Provides a consistent, continuous flow of warm air
Efficiency rating 94.1% AFUE
ENERGY STAR® Qualified - This product has earned the ENERGY STAR label, which means it meets the EPA's guidelines for energy efficiency
SureLight® Ignition
Lifetime Limited Warranty on heat exchanger
5-Year Limited Warranty on covered components
Product Brochure

Why 2 stage?