MRCOOL MCAESHS4T4221AA 3.5 Ton Split System Heat Pump Condenser is an outdoor HVAC unit designed to provide efficient heating and cooling for compatible split-system applications. It works by compressing and circulating refrigerant between the outdoor condenser and the indoor air handler or evaporator coil, transferring heat to maintain comfortable indoor temperatures throughout the y... https://www.partshnc.com/mrcool-signature-series-42k-heat-pump-condenser-mcaeshs4t4221aa