期刊
ENERGY AND BUILDINGS
卷 255, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2021.111657
关键词
User behaviour; Heating consumption; Space heating; Natural gas consumption; Residential buildings; Performance gap
资金
- European Commission [270898]
This study quantitatively assesses the impact of different users on residential heating consumption and indoor environmental conditions. The results reveal significant differences in heating energy consumption and thermal comfort levels among different user scenarios, challenging the standardized energy simulation approaches used in residential buildings.
Human influence is recognized as a major source of discrepancy between predicted and actual building energy use and has been a subject of extensive analysis for many years now. However, the impact that different users can bring to the actual performance of a building has not yet been studied in depth. This paper aims to contribute to this understudied dimension of the performance gap by providing a quantitative assessment of the impact of different users in residential heating consumption and indoor environmental conditions. For this purpose, heating energy consumption profiles for real users along with their corresponding thermostat settings were modeled in a building simulation model of a single dwelling thus allowing the study of the user factor in isolation. Remarkable differences were found in the resulting heating energy consumption and in the percentage of time that thermal comfort conditions defined by building regulations and standards were met for the different user scenarios. Results also demonstrate how the more complicated and varying the heating practices of a user are the more varying and unpredictable the impacts on heating consumption and comfort are. Overall, findings add to the growing body of literature that questions the standardized heating profiles and temperature settings used in energy simulation for residential buildings. (c) 2021 Published by Elsevier B.V.
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