MRCOOL UAH18060-O Universal Series 60K BTU Air Handler is an indoor HVAC unit designed to distribute conditioned air efficiently in compatible split-system heating and cooling applications. It works by drawing indoor air across the evaporator coil, where heat is absorbed or released, then circulating the conditioned air through the ductwork for consistent temperature control. Designed... https://www.partshnc.com/mrcool-universal-r-454b-series-air-handler-uah18060-o