The Coast Air 12,000 BTU DIY Ductless Single Zone Mini Split Heat Pump provides an innovative ductless cooling and heating solution which will deliver comfort where you need it the most. It is designed to cool and heat single spaces up to600 square feet. This is a great solution for all season comfort- cooling on warm or humid spring and summer days and supplemental heating - 12,000 BTUs to chase the chill when needed. The Coast AirDIY Ductless Single Zone Mini Split Heat Pump is designed as an affordable Energy Star rated option that can be installed quickly and efficiently particularly with our innovative quick connect line sets and adapters that come already charged thus eliminating the need to charge the system with refrigerant. The system includes - Smartphone Compatibility, Follow Me Function Remote Control, Leak Detection, Low Ambient Cooling, Auto Restart and Sleep Mode. 1-year limited warranty.