The inverter swimming pool heat pump adjusts the power frequency of the compressor and fan according to the different temperature of the water environment to achieve stepless speed regulation, which can achieve perfect heating while consuming low power. Make sure your swimming pool is at the temperature throughout the warm season of swimming. Sunrain swimming pool heat pump is a smart and reliable solution to heat the pool and spa. With most of the energy absorbed from the air, Sunrain pool heat pumps can heat the pool and spa all year round with much less cost. Running at low cost and without CO2 discharging, people can enjoy swimming or spa at pleasant water temperature all over the year. Features & Benefits Parameter Toshiba GMCC inverter Compressor R32 refrigerant, environmental friendly DC inverter fan motor, super low noise High pressure protection WIFI function included (control heat pump with your cellphone easily) Hydrophilic fin coil coating Beautiful design with long lifespan 2 years warranty The heat pump can heat and cool the swimming pool Fan Adopt bipolar speed change design, can automatically adjust the wind speed according to the ambient temperature, with over-voltage protection function. Sapphire glass fiber fan blade, strong and durable, super quiet, high mechanical strength Low voice WIFI Control Smart WIFI controller, anytime, anywhere, just click, no need to wait for hot water