Designed to be installed by an HVAC technician, this newly designed 4th generation Advantage Series has a newly improved efficiency rating of 20.5. From the moment of installation and activation, this system provides high performance at a competitive price. In order to remain eco-friendly, the condenser uses chlorine-free R-410A refrigerant. This is a great choice for those looking for quality, value, efficiency, and quiet operation. If you’re looking for superior performance and technology, look no further than this system’s WiFi control module. It allows for an easier setup process and improved functionality, as well as allowing control via your Amazon Alexa or Google Assistant.