The MRCOOL MGM80SE090C5A Signature Series 90K BTU 5 Ton Multi-Position 80% AFUE Furnace is a high-performance gas furnace engineered to deliver dependable heating for residential HVAC systems. It works by burning natural gas to generate heat, which is then transferred through a heat exchanger and distributed throughout the home via the ductwork. Designed for use with compatible split-... https://www.partshnc.com/mrcool-signature-multi-position-80-afue-furnace-mgm80se090c5a