The MRCOOL MCAEAWPEF24D21AA Signature Series 24K BTU Stud Mount Split System Air Handler is an indoor HVAC unit designed for compatible MRCOOL split-system heating and cooling applications. It works with an outdoor condenser or heat pump by circulating refrigerant through the indoor coil, while the blower distributes conditioned air throughout the space. Designed for 24,000 BTU system... https://www.partshnc.com/mrcool-signature-series-stud-mount-air-handler-mcaeawpef24d21aa