The MRCOOL DIY-18-HP-WMAH-230D25-O is an 18,000 BTU indoor air handler designed for use with a compatible ductless mini-split heat pump system. It works with an outdoor condenser to circulate conditioned refrigerant and transfer heat, providing efficient heating and cooling without traditional ductwork. This HVAC equipment delivers precise temperature control while supporting energy-e... https://www.partshnc.com/mrcool-diy-5th-gen-wall-mount-air-handler-diy-18-hp-wmah-230d25-o