The possibilities of reducing energy consumption for the preparation of hot water by suitable switching of the heat pump
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The article deals with the possibilities of reducing energy consumption for the preparation of hot water by suitable switching of the air-to-water heat pump according to the expected time course of the outdoor air temperature. Higher temperature of the medium from which we pump heat always leads to an improvement of the heating factor. The article describes an idealized model taking into account two water storage The consumed electrical energy is always evaluated at the worst possible switching time of the heat pump, at a fixed switching time and with optimal switching. The considered procedure may be suitable for buildings with high hot water consumption, such as hospitals, retirement homes, or for small industrial enterprises.
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