The S8X2 carries an 80% AFUE rating — a clear sign that this furnace uses most of its fuel for heating.
Variable-Speed, Two-Stage Gas Furnace offering an efficiency rating of up to 96% AFUE.
With an AFUE rating of 80%, the S8X1 can help reduce monthly energy bills while supplying you with the heat you need at the coldest times of the year.
Two-stage furnace with Power Saver™ technology, offering an efficiency rating of up to 96% AFUE.
The S8B1 is rated up to 80% AFUE, meaning it’s designed to use less energy to warm your home. For you, that means more comfort and lower energy use.
Variable-speed gas furnace that heats the home evenly with fficiency rating of up to 96% AFUE.
Single-stage, 96% fuel-efficient gas furnace with Power Saver™ constant-torque motor design.
Two-stage gas furnace with constant-torque motor design for even temperatures. Efficiency rating of up to 80% AFUE.
Single-stage, 80% fuel-efficient gas furnace with variable-speed fan motor.
Economical gas furnace with Power Saver™ technology, providing up to 80% AFUE efficiency.