The MRCOOL DIY-MULTI2-18HP230C DIY 4th Gen 18K BTU 2-Zone Ductless Heat Pump Condenser is an outdoor unit designed for compatible MRCOOL DIY multi-zone ductless mini-split HVAC systems. It transfers heat between the indoor and outdoor environments to provide efficient cooling in summer and reliable heating during colder weather for up to two zones. Working with compatible indoor air h... https://www.partshnc.com/mrcool-diy-4th-gen-multi-zone-condenser-diy-multi2-18hp230c