Estimation of energy efficiency of water heating systems in terms of electricity consumption

The article considers the creation of a regulatory framework in the field of rationing the energy efficiency of water heating systems, and gives recommendations for its creation. In heating systems, there are two main types of energy consumption: electrical and thermal. Electric consumption primarily depends on the correct choice of the pump in the system, its efficiency, as well as the design and operation characteristics of the heating system. Existing methods for assessing energy efficiency, used for ventilation systems, are not applicable for heating systems, since certain conditions must be met for high-quality exploitation. In particular, such conditions include the removal of air from the system and the provision of proportional regulation of the heat transfer of the heating devices. The article gives an example of determining the energy efficiency of a heating system depending on these conditions, and the proposed methodology and methodology applicable for ventilation systems are compared. The considered technique can be applied at carrying out of examination of the design documentation of section “Heating and ventilation”.

Abstract licence: CC BY

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