The MRCOOL DIY-12-HP-WM-115C25 DIY 4th Gen E-Star 12K BTU Ductless Mini-Split Heat Pump is a high-efficiency HVAC system designed to provide reliable heating and cooling for residential spaces without the need for ductwork. It works by transferring heat between the indoor and outdoor units, delivering consistent indoor comfort while minimizing energy consumption. This ductless mini-sp... https://www.partshnc.com/mr-cool-diy-12-hp-wm-115c25