Slider 1 performance boost 90 gas furnace 59SP5 Slider 2 Furnance_ 59SP5_Suppl_1 The Annual Fuel Utilization Efficiency or AFUE rating is the percentage of fuel consumed that is converted to heat your home. A higher number is better. Products with the ENERGY STAR® logo are qualified to earn the U.S.
01 Overview
Slider 1 performance boost 90 gas furnace 59SP5 Slider 2 Furnance_ 59SP5_Suppl_1 The Annual Fuel Utilization Efficiency or AFUE rating is the percentage of fuel consumed that is converted to heat your home. A higher number is better. Products with the ENERGY STAR® logo are qualified to earn the U.S.
