This system is meant to be installed by a HVAC technician. The newly designed 3rd generation Advantage Series, with improved efficiency ratings up to 18 SEER, delivers high performance comfort from the moment it's activated. And its competitive price makes it a consumer favorite that's tough to beat. The MRCOOL Advantage condenser and wall mounted air handler is an ideal combination of superior product quality, energy efficiency, quiet operation, and financial value. The condenser incorporates a high performance compressor with eco-friendly, chlorine-free R-410A refrigerant. The MRCOOL Advantage is the clear choice for consumers who want to combine superior interior comfort with environmentally friendly technology. The MRCOOL Advantage now includes the new SmartHVAC WiFi control module that features an easier setup process, improved functionality, and works with Amazon Alexa and Google Assistant.