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Design strategies and measures to minimise operation energy use for passive houses under different climate scenarios
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Sustainable Built Environm Res Grp)
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Sustainable Built Environm Res Grp)
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Sustainable Built Environm Res Grp)
2019 (English)In: Energy Efficiency, ISSN 1570-646X, E-ISSN 1570-6478, Vol. 12, no 1, p. 299-313Article in journal (Refereed) Published
Abstract [en]

Here, the implications of different design strategies and measures in minimising the heating and cooling demands of a multi-storey residential building, designed to the passive house criteria in Southern Sweden are analysed under different climate change scenarios. The analyses are conducted for recent (1996-2005) and future climate periods of 2050-2059 and 2090-2099 based on the Representative Concentration Pathway scenarios, downscaled to conditions in Southern Sweden. The considered design strategies and measures encompass efficient household equipment and technical installations, bypass of ventilation heat recovery unit, solar shading of windows, window size and properties, building orientation and mechanical cooling. Results show that space heating demand reduces, while cooling demand as well as risk of overheating increases under future climate scenarios. The most important design strategies and measures are efficient household equipment and technical installations, solar shading, bypass of ventilation heat recovery unit and window U-values and g-values. Total annual final energy demand decreased by 40-51%, and overheating is avoided or significantly reduced under the considered climate scenarios when all the strategies are implemented. Overall, the total annual primary energy use for operation decreased by 42-54%. This study emphasises the importance of considering different design strategies and measures in minimising the operation energy use and potential risks of overheating in low-energy residential buildings under future climates.

Place, publisher, year, edition, pages
Springer, 2019. Vol. 12, no 1, p. 299-313
Keywords [en]
Climate change, Passive houses, Overheating, Heating and cooling demand, Primary energy, Design strategies
National Category
Energy Engineering Building Technologies
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-80286DOI: 10.1007/s12053-018-9719-4ISI: 000456140000019Scopus ID: 2-s2.0-85052069887OAI: oai:DiVA.org:lnu-80286DiVA, id: diva2:1286733
Available from: 2019-02-07 Created: 2019-02-07 Last updated: 2019-08-29Bibliographically approved

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Tettey, Uniben Yao AyikoeDodoo, AmbroseGustavsson, Leif

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  • apa
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