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Energy performance indicators in the Swedish building procurement process
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics. (Arcum)
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics. (Arcum)
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2017 (English)In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 9, no 10, article id 1877Article in journal (Refereed) Published
Abstract [en]

In Sweden, all new buildings need to comply with the National Board of Housing, Building and Planning’s requirement on specific purchased energy (kWh/m2). Accordingly, this indicator is often used to set design criteria in the building procurement process. However, when energy use is measured in finished buildings, the measurements often deviate significantly from the design calculations. The measured specific purchased energy does not necessarily reflect the responsibility of the building contractor, as it is influenced by the building operation, user behavior and climate. Therefore, Swedish building practitioners may prefer other indicators for setting design criteria in the building procurement process. The aim of this study was twofold: (i) to understand the Swedish building practitioners’ perspectives and opinions on seven building energy performance indicators (envelope air leakage, U-values for different building parts, average U-value, specific heat loss, heat loss coefficient, specific net energy, and specific purchased energy); and (ii) to understand the consequences for the energy performance of multi-family buildings of using the studied indicators to set criteria in the procurement process. The study involved a Delphi approach and simulations of a multi-family case study building. The studied indicators were discussed in terms of how they may meet the needs of the building practitioners when used to set building energy performance criteria in the procurement process.

Place, publisher, year, edition, pages
MDPI , 2017. Vol. 9, no 10, article id 1877
Keywords [en]
design criteria, energy performance, specific energy, simulation, procurement process, indicators
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:umu:diva-140862DOI: 10.3390/su9101877ISI: 000414896200207OAI: oai:DiVA.org:umu-140862DiVA, id: diva2:1150825
Available from: 2017-10-20 Created: 2017-10-20 Last updated: 2018-06-09Bibliographically approved

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Allard, IngridOlofsson, ThomasNair, Gireesh

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CiteExportLink to record
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Citation style
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