Perfect for additions, workshops, garages, sunrooms, or other spaces without ductwork, the 12,000 BTU MRCOOL DIY mini split provides efficient heating and cooling without needing professional installation. In addition to lower energy bills, you'll save on doing it yourself. It comes ready for a quick installation with its pre-charged line set. It’s a quick and simple solution to your heating and cooling needs. The MRCOOL DIY 12,000 BTU 22 SEER 115V Ductless Mini Split AC and Heat Pump System includes the 12,000 BTU Outdoor Heat Pump model DIY-12-HP-115B, the 12K Indoor Wall Mount Air Handler model DIY-12-HP-WMAH-115B, pre-charged 25’ Line Sets with control wire and the Remote Control.