1.Air Source: Free Thermal Energy from Ambient Air
2.Guaranteed Operation at -30°C Extreme Conditions
3.Triple-Function System: Heating + 60°C Domestic Hot Water + Cooling
4.Energy-Saving DC Inverter with Wide Voltage and Frequency
5.R410A Refrigerant: Zero Ozone Depletion
6.Space-Saving Integrated Design: Quick Installation