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Design strategies to minimise heating and cooling demands for passive houses under changing climate
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (SBER)
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (SBER)
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (SBER)
2017 (engelsk)Inngår i: ECEEE 2017 Summer Study: Consumption, Efficiency & Limits, European Council for an Energy Efficient Economy (ECEEE), 2017, s. 1185-1195Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this study, we analyse the heating and cooling demands of a multi-storey residential building version, designed to the passive house criteria in Southern Sweden and explore various design strategies to minimise these demands under different climate change scenarios. The analysis is performed 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 South of Sweden. Design strategies include efficient household equipment and technical installations, bypass of ventilation heat recovery unit, window solar shading, building orientation, window size and properties, besides mechanical cooling. Results show that space heating demand reduces, while cooling demand increases as the risk of overheating under the future climate scenarios. The most important design strategies 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 for operating the building versions decreased by 49–54 % This study emphasises the importance of considering different design strategies and measures in minimising the operation energy use and the potential risks of overheating in low-energy residential buildings under future climate scenarios.

sted, utgiver, år, opplag, sider
European Council for an Energy Efficient Economy (ECEEE), 2017. s. 1185-1195
Emneord [en]
climate change, space heating, cooling, primary energy, passive houses, overheating, design strategies
HSV kategori
Forskningsprogram
Teknik, Byggteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-65682OAI: oai:DiVA.org:lnu-65682DiVA, id: diva2:1112900
Konferanse
ECEEE 2017 Summer Study of energy efficiency. 29 May – 3 June 2017. Hyères, 
France.
Tilgjengelig fra: 2017-06-20 Laget: 2017-06-20 Sist oppdatert: 2018-02-14bibliografisk kontrollert

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Tettey, Uniben Yao AyikoeDodoo, AmbroseGustavsson, Leif

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