Domestic Heat Pump Features: 1. Operating ambient temperature range up to -25° C to 45° C. 2. Hot water temperature upto 60° C. 3. Heavy duty Rotary Compressor from Panasonic. 4. Electronically controlled Expansion Valve for precise control of Refrigerant flow. 5. High Efficiency Tube in Shell Heat Exchanger which avoids clogging due to scaling. 6. Built in circulation pump for easy installation. 7. Advance and user-friendly Control Display. 8. Auto defrost for efficient performance in cold climate. 9. Inverter models available with increased efficiency.