【Programmable 24 Hours Timer】: Set the timer of the water circulation pump before you leave home, then you can enjoy a hot bath after work. No more cold water suffering, especially in winte ...

The Chinese manufacturer said its new Heco series uses propane (R290) as a refrigerant and includes five models with a ...

Scientists in Italy have coupled a solar-powered air heat pump with a water tank for thermal energy storage to provide hot water to a residential ... lower consumption of circulating pumps ...