The MRCOOL MCAEAWPEF24D21AA Signature Series 24K BTU Stud Mount Split System Air Handler is an indoor HVAC component designed to distribute conditioned air efficiently throughout residential or light commercial spaces. It works with compatible split-system heat pumps and air conditioning condensers to deliver consistent heating and cooling performance. https://www.partshnc.com/mrcool-signature-series-stud-mount-air-handler-mcaeawpef24d21aa