Introducing the MRCOOL E Star DIY 3rd Gen 12k BTU 22 SEER Ductless Mini-Split Heat Pump. These are ductless mini-split heat pumps with enhanced WIFI engineered to make setup not only quick and easy, but the MRCOOL DIY E Star Series is flexible enough to be installed virtually anywhere, without requiring specialized tools or expensive equipment. The 12 000 BTU unit is 22 SEER and designed to heat and cool up to 500 square feet both efficiently and effectively. Our SmartHVAC app is compatible with Amazon Alexa and Google assistant. You can also control your DIY anywhere with your Apple or Android smart device with an Internet connection. Doing it yourself has never been easier with the new MRCOOL E Star DIY. This unit is shipped in two boxes. Energy Star Certified 22 SEER, 10 HSPF Easy DIY installation: pre-charged R-410A 25-ft quick connect line doesn't require special tools, equipment, or training. New SmartHVAC app (Wifi Control): Compatible with Amazon Alexa and Google assistant - you can control your DIY anywhere with your Apple or android smart device and an Internet connection. Designed to efficiently heat and cool a single 500 Sq Ft room Variable-speed DC inverter compressor technology cuts operating costs. Low ambient cooling: cooling down to 5°F - this feature makes the Mrcool DIY the ideal system for computer server rooms, greenhouses, and any other application that requires cooling all year. Gold fin condenser: corrosion resistant - live on the coast? don't worry, our condenser is built to resist long term corrosion. 7-year compressor, 5-year parts and 1-year remote warranty when registered.