The new 4th generation MRCOOL Advantage series features higher efficiency with a 19 SEER. Immediately upon installation by an HVAC technician, you will experience high performance comfort with a competitive price point that is hard to beat. The environmentally friendly, chlorine-free R-410A refrigerant is used in this high performing condenser. The WiFi controlled module helps to not only make setup a breeze, but allows for easier functionality and control with the SmartHVAC app or your Amazon Alexa or Google Assistant.