Put your feet up, relax and enjoy the comfort. This ENERGY STAR® qualified, high-efficiency gas furnace really brings the heat with extra-consistent temperatures and quiet operation. With two heating stages and a multi-speed blower, you can enjoy nearly continuous, extra-quiet, low-stage comfort. And when conditions change, high-stage heating can really keep you cozy. The multi-speed blower adds enhanced summer dehumidification and a possible SEER boost from your cooling unit.