Environment protection: No pollution and waste needs to discharge in entire working cycle. Safety: Eliminated the problems of traditional normal water generator. Reliable: Service life can reach up to 15 years. Low maintenance cost. Economy: The running costs of a heat pump can be less than those of a traditional gas boiler heating system. Simple installation: It can be placed on the roof top, balcony, yard, or basement, and it doesn't need special room. All weather operation: Running without being effected by weather, even snow or rain. Modular design: We can add on more units according to user's requirement. Suitable for -10C~+4C ambient temperature. Lateral blowing, special designed for special spaces.