The MRCOOL MGA80SE080C4C VersaPro 80K BTU 80% AFUE Gas Furnace is a heating unit designed for compatible residential HVAC systems. It burns natural gas to generate heat, which is transferred through the heat exchanger before the blower circulates warmed air through the ductwork. With an 80% AFUE rating, it provides dependable heating for homes and compatible air conditioning systems. ... https://www.partshnc.com/mrcool-versapro-80-afue-gas-furnace-mga80se080c4c