The MRCOOL A-36-HP-WMAH-230C Advantage Series 4th Gen 36K BTU Mini-Split Air Handler is a 230V indoor unit designed for use with compatible MRCOOL Advantage Series mini-split heat pump condensers. It works by circulating conditioned air throughout a designated space, delivering efficient heating and cooling without the need for ductwork. https://www.partshnc.com/mrcool-advantage-series-4th-gen-air-handler-a-36-hp-wmah-230c