The MRCOOL HAH036FEA PRODIRECT Series 36K BTU ECM Air Handler is a high-efficiency indoor HVAC component designed to distribute conditioned air throughout residential and light commercial spaces. Used with compatible heat pump or air conditioning condenser systems, it works by circulating air across the evaporator coil and delivering consistent airflow through ductwork. https://www.partshnc.com/mrcool-prodirect-series-ecm-air-handler-hah036fea