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Eriksson, Martin and Akander, Jan and Moshfegh, Bahram Investigating Energy Use in a City District in Nordic Climate Using Energy Signature. Special Issue Toward a Low-Carbon and Low-Energy Building Sector: From the Single Building to the District Scale, 15 (5).

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15/5/1907 - Published Version

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This paper focuses on multi-family buildings in a Swedish city district, erected between 1965 and 1973, which are now in need of renovation. For the two types of multi-family buildings in the district, tower buildings and low-rise buildings, dynamic energy use is predicted by using an energy signature method. The energy signature is then used to calculate the primary energy use number of the building stock, according to calculations methods dictated by Swedish building regulations. These regulations are also used to assess which multi-family buildings are in need of renovation, based on the buildings’ primary energy use. For buildings that need energy renovations, it is simulated so that the energy use of each multi-family building complies with these same building regulations. The proposed methodology for simulating energy renovation also determines new energy signature parameters, related to building heat loss coefficient, balance temperature and domestic hot water usage. The effects of simulated renovation are displayed in a duration diagram, revealing how a large-scale renovation affects the district’s heat load in different annual periods, which affects the local district heating system. Sensitivity analysis is also performed before and after simulated energy renovation

Item Type: Article
Uncontrolled Keywords: energy signature method; district heating; district energy use; multi-family buildings; building stock; energy renovation
Subjects: English > Climate Change Adaptation
Depositing User: Susanna Carlsten
Date Deposited: 28 Apr 2022 08:17
Last Modified: 28 Apr 2022 08:17

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