Up to 98% AFUE COMMUNICATING, MODULATING GAS FURNACE
Up to 96.7% AFUE COMMUNICATING, TWO STAGE GAS FURNACE
Up to 96% AFUE, TWO-STAGE GAS FURNACE
Up to 96% AFUE, SINGLE STAGE, GAS FURNACE
92.1% AFUE, SINGLE STAGE, GAS FURNACE