Skip to main content
2-Stage Variable Speed Gas Furnace 80

Our comfort-enhancing 80% AFUE model, this furnace keeps the cold out and the comfort in. It delivers smooth, consistent temperatures and extra-quiet operation, with two-stage heating and a variable-speed blower. The variable-speed blower provides outstanding moisture management in the form of summer dehumidification, and it can potentially give your cooling system an efficiency boost as well.

Icon of a question mark
Icon of a question mark
  • Quiet performance
  • Variable-speed, constant torque (VCT) ECM blower motor and two-stage gas valve also provideenhanced levels of temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible
  • Low NOx California model
  • 10-Year Parts Limited Warranty upon timely registration*
  • 20-Year Heat Exchanger Limited Warranty*
  • High-efficiency variable-speed constant torque (VCT) ECM blower motor
  • Variable-speed induced draft combustion motor
  • Energy-saving two-stage gas valve Aluminized--steel primary heat exchanger
  • Reliable direct spark gas ignition
  • High temperature limit control prevents overheating
  • Solid pre-painted and steel insulated cabinet with tight fit door latch system
  • Sound-reducing features: soft mounted blower and inducer motor
  • Heating capacity: 45,000–135,000 BTUh
Efficiency Rating Efficiency Rating
80% AFUE rating
Operation Operation
Two-Stage Operation
Blower Motor Blower Motor
Variable-speed, constant torque (VCT) ECM blower motor
Warranty Warranty
10-year parts limited warranty upon timely registration*
Heat Exhanger Warranty Heat Exhanger Warranty
20-Year Heat Exchanger Limited Warranty*
Heating Capacity Heating Capacity
45,000–135,000 BTUh

*Timely registration required for 10-year parts limited warranty. Limited warranty period is 5 years for parts if not registered within 90 days of installation. The warranty period on the heat exchangers is 20 years. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

For California Residents:
For installation in SCAQMD only: This furnace does not meet the SCAQMD Rule 1111 14 ng/J NOx emission limit, and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program:

California residents please see Proposition 65