The MRCOOL DIY-MULTI2-18HP230C DIY 4th Gen 18K BTU 2-Zone Ductless Heat Pump Condenser is an outdoor HVAC unit designed to provide efficient heating and cooling for two separate indoor zones. It works by transferring heat between the indoor and outdoor environments through refrigerant circulation, connecting to compatible indoor air handlers. This ductless mini-split equipment elimina... https://www.partshnc.com/mrcool-diy-4th-gen-multi-zone-condenser-diy-multi2-18hp230c