... water heater is one of the most advanced water heating equipments. It is driven by electricity, absorbs heat from the air, and ... 3~6kWh with the consumption of only 1kWh,save 50~80% electric costs; no fuel transportation costs and low maintenance costs3. ... ;5. Suitable Places: hot water supply for Hotels, Villas, Hair Salon, Foot Massage, etc; hot water source for swimming pool, factory , farm ...