Its products mostly cover on air source heat pump water heater equipment, air source air conditioner water heater and solar air source water heater etc. and commerce, home use energy saving products.
科研应用主要集中表现在能源开发及优化，产品主要涉及空气能热水器、太阳空气能等家用型和商用型高效能产品。
The solar energy and the heat pump water heater equipment, does not need the value to defend, movement absolute safety, moreover the completely automatic control, may save the personnel cost.
太阳能和热泵热水器设备，节电，运行绝对安全，而且运行费用低，可节省人员成本。
This paper presents the progress of many recently correlative research works on heat pump water heater (HPWH) and on solar-assisted heat pump water heaters.
本文对近年来热泵热水系统研究的主要进展进行了综述。
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