1. Designed for central heating for houses in cold area including North Europe and East Europe.

 2. Can work stably at -25DegC ambient, and at -15DegC ambient the COP up to 2.5.

 3. Using electronic expansion valve, achieving accurate, stable and high efficiency throttling.

 4. R410A refigerant pipe quick connection is avaible, to reduce the installation cost.

 5. Low noise design for outdoor unit. The compressor on a floating plate to reduce vibration at the most extent. the Noise insulation inside the cabinet. The fan is extremely quiet.

 6. Circulation pump, stainless steel plate heat exchanger, and expansion vessel are included the indoor unit.

 7. Including filter-dryer. 

 8. Unit cabinets are made in galvanized steel with powder coating.