â— Various heat sources and stable units: The unit adopts double heat source design, and different heat sources can be used in different seasons. In summer, water (cooling water and domestic wastewater) is used as a heat source. In winter, water (domestic wastewater, swimming pool sauna waste water) or air is used as a heat source. The unit is guaranteed to operate under ideal conditions and the unit is stable and has a long service life ; â— ultra-high energy efficiency, economic and energy saving: the use of air-conditioning cooling water as a heat source in summer, not only increased the hot water production of dual-heat source hot water unit; while reducing the air-conditioning cooling water temperature, greatly improving the energy efficiency of the original air-conditioning system High energy saving, economic efficiency; â— Direct heat water supply, circulating thermostat: The unit combines all the advantages of the existing direct heat pump water heaters and circulating heat pump water heaters, the implementation of direct heat water supply, circulating constant temperature; greatly improves the water comfort And unit reliability; â— a wide range of applications, energy-saving champion: double heat source heat pump hot water equipment is widely used in hotels, hotels, guest houses, hospitals, leisure centers, health centers, there is a lot of waste, waste heat, but also a lot of hot water Of the place, especially for large and medium-sized water-cooled air conditioning unit heat recovery transformation.