MRCOOL DIY-12-HP-WM-115C25 DIY 4th Gen E-Star 12K BTU Ductless Mini-Split Heat Pump is a complete HVAC system designed to provide efficient heating and cooling without ductwork. It works by transferring heat between the indoor air handler and outdoor condenser through a circulating refrigerant, reversing the cycle to provide heating or cooling as needed. Designed for use in residentia... https://www.partshnc.com/mr-cool-diy-12-hp-wm-115c25