They also considered that all the systems have a thermal storage tank that heats the hot water ... boiler with solar thermal system; air-source heat pump; air-source heat pump with PV system ...

South Korean scientists built an air source heat pump ... an ASHP, a heat storage tank with a volume of 0.3 m3, a fan coil unit (FCU), three circulating pumps, and three-way valves.

Air-source heat pumps are supposed to circulate heat from the air around a water tank and then pump the heated water around the heating system. The hot water is also pumped around another water ...