Global Air Source Heat Pumps Market was valued at US$ XX Mn. in 2019 and is expected to reach US$ XX Mn. by 2027. A heat pump is a device for delivering heat from a low-temperature medium to a high-temperature medium. Air energy heat pump unit absorbs the heat in the air and from solar energy. It is the new water or space heater system, which combines the advantages of electric heater and solar...