Operates smoothly, efficiently, and powerfully with a SEER2 rating of up to 20 when providing cool air and a HSPF2 of up to 10 when providing heated air. The outdoor condenser model utilizes powerful G10 inverter technology that provides an incomparable performance, allowing you to feel maximum comfort indoors. The Energy Star certified outdoor condenser can provide effective cooling performance in temperatures up to 115 degrees Fahrenheit and heated air in as low as -31 degrees Fahrenheit. Each indoor unit comes with built-in WiFi capabilities, allowing you the option of using the remote control or a Smart device to control the settings of the indoor air handler. The simple and easy installation procedures mean you won't have to wait long before experiencing the comfort and control that GREE ductless mini-splits have to offer.