The MRCOOL UHP18060-O Universal Series 60K BTU Inverter Heat Pump Condenser is an outdoor HVAC unit designed for compatible split-system heat pumps and air handlers. It works by using advanced inverter technology to regulate compressor speed, efficiently transferring heat between indoor and outdoor environments for reliable heating and cooling. https://www.partshnc.com/mrcool-universal-series-heat-pump-uhp18060-o