1.High COP.
2.Patented corrosion resistant titanium exchanger
3.Environmental friendly,with R32 refrigerant
4.LCD or colorful LED controller for options.
5.Re-start memory
6.Heating and cooling with reversible defrosting.
7.Super quiet
8.WIFI APP control(optional)
9.Suitable for Koi ponds as well as swimming pools or sauna or SPA.