MR. Cool E Star 3rd Gen 12k BTU 22 SEER Mini-Split Heat Pump are ductless units with WIFI making setup quicker & easier. MRCOOL E Star Series are flexible enough to be installed virtually anywhere without requiring specialized tools or expensive equipment. The 12K BTU unit is 22 SEER & designed to heat & cool up to 500 sq ft both efficiently & effectively. Our Smart HVAC app is compatible with Amazon Alexa & Google assistant, which allows you to control your unit anywhere!!