Tacking raw sewage from the sewage trunk canal or treated sewage as heat source for building heating & cooling.

Tacking rivers, lakes, seawater source as heat source for building heating & cooling.

Tacking Industrial waste water as heat source for heating and cooling of building.

Tacking artificial thermal energy source as heat source for building heating & cooling.

Turning 0℃ water to 0℃ ice and taking the heat discharged (equals to 80℃temperature drop) as heat source for heating and cooling of building.

Taking low-temperature rivers & lakes as heat source for builing heating & cooling.

Using the coupling mode of sewage source, surface water source and cold water phase change energy heat pump to supply heating and cooling for building.