FIELD: power industry.
SUBSTANCE: invention relates to power engineering and can be used for hot water supply. The hot water supply method according to which the water pumped for hot water supply is heated up to the required temperature in the condenser of the heat pump unit due to heat received from the low-grade source in the evaporator of the heat pump unit, and it is supplied to consumers, and out of the heating period, the low-grade heat source in the evaporator is the network water circulating in the closed loop of the building heating system and heated due to excess heat of rooms.
EFFECT: complete elimination of heat losses from pipelines of consumer input, independence from the centralised heat source, and also utilisation of excess heat of the building out of the heating period.
1 dwg
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