FIELD: heat-power engineering; centralized heating systems.
SUBSTANCE: proposed method includes preheating of heating-system water, supply of hot water to heating system through pipe line connected to water heating system and returning cooled water through return pipe line. Cooled water is additionally cooled in evaporator of thermal pump and water circulating in heating system is heated by heat taken from return pipe line.
EFFECT: enhanced economical efficiency.
1 dwg
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