MRCOOL DIY-24-HP-C-230C25 Single-Zone Ductless Heat Pump Condenser is an outdoor HVAC unit designed to deliver efficient heating and cooling when paired with a compatible MRCOOL indoor air handler. It works by transferring heat between the indoor and outdoor environments using advanced heat pump technology, providing reliable year-round climate control. https://www.partshnc.com/mrcool-diy-4th-gen-24k-btu-condenser-diy-24-hp-c-230c25