Constant Comfort™ Deluxe 80 Gas Furnace

  • 80% AFUE rating


    • Quiet performance
    • Variable-speed blower motor and two-stage gas valve also provide improved levels of even 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 for better home air quality
    • Wi-Fi® enabled remote access with the Observer® communicating wall control±
    • 10-Year No Hassle Replacement™ Limited Warranty*
    • 10-Year Parts Limited Warranty+
    • 20-Year Heat Exchanger Limited Warranty



Keep the pesky cold out and the comfort in with our efficient gas furnace. It features a variable-speed blower motor and two-stage gas heat performance that together deliver temperature control and quiet performance. The variable-speed blower also means you’ll enjoy better summer dehumidification from your cooling unit, and you might even get a SEER boost as well. Pair it with a compatible air conditioner for a full communicating system using the Observer® communicating wall control.

TS-N4H3-thumb Badge 10 Yr No Hassle Badge 20 Yr heat exchanger