The MRCOOL DIY-09-HP-C-115D25-O DIY 5th Gen 9K BTU Single Zone Mini-Split Heat Pump Condenser is an outdoor unit designed to provide efficient heating and cooling for compatible ductless HVAC systems. It works by transferring heat between indoor and outdoor environments through the refrigeration cycle when paired with a compatible MRCOOL DIY indoor air handler. Ideal for residential a... https://www.partshnc.com/mrcool-diy-5th-gen-mini-split-heat-pump-condenser-diy-09-hp-c-115d25-o