The MRCOOL DIY-MULTI4-27HP230D-O DIY 5th Gen 27K BTU Mini-Split Heat Pump Condenser is an outdoor HVAC unit designed for use with compatible MRCOOL DIY multi-zone ductless air handlers. It works by circulating refrigerant between the condenser and multiple indoor units, enabling independent temperature control across different rooms or zones. This heat pump condenser provides efficien... https://www.partshnc.com/mrcool-diy-5th-gen-multi-zone-hvac-condenser-diy-multi4-27hp230d-o