1 Efficient performance: heat pump consumed electricity bill is lower than the conventional heater 50%.

2 Safe: used refigerant exchange to heat to water,decreased risk of electricity shock.

3 durable: due to the way of working ,it is very kindly to component,so it could not be easily ageing.

4 automatically: heat pump will automatically start and stop as was being preset on control board

5 defrost: when the ambient temperature was below -15c, automatically defrost.