Installing the 4th Generation MRCOOL DIY 36k BTU 21.5 SEER 2-Zone Ductless Heat Pump Split System-12k plus 18k requires no special tools or training. The key is the Quick Connect line set which comes pre-charged with eco-friendly refrigerant R410-A. The DIYPRO cable gives mechanical protection against weather， animals， or yard tools without an electrical conduit. You can feel confident in your purchase of this unit thanks to the industry's first limited lifetime warranty. This is in addition to the 7-year compressor warranty and the 5-year parts warranty.
Gold fin condenser: corrosion resistant - live on the coast， don't worry， our condenser is built to resist long term corrosion
Standard 7-year compressor/5-year parts warranty， register for limited lifetime compressor warranty
Energy efficient DC inverter
R-410A environmentally friendly refrigerant
100% sealed system
DC inverter and variable speed compressor technology minimizes operating costs
Follow me feature
Smartphone app controls
Lifetime technical support
Works with Alexa
Works with Google assistant
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