Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions

Heat waves had attacked Norway in 2018 and 2019. Residents in Norway experienced a very uncomfortable indoor environment in the summer of 2018 and 2019. Few publications on the overheating risk of a typical Norwegian residential building under future climate change conditions were found. The typical...

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Main Authors: Tian Zhiyong, Hrynyszyn Bozena Dorota
Format: Article
Language:English
Published: EDP Sciences 2020-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/32/e3sconf_nsb2020_02007.pdf
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spelling doaj-5f078ae2773e4791806bc1f0661e77dc2021-04-02T13:52:53ZengEDP SciencesE3S Web of Conferences2267-12422020-01-011720200710.1051/e3sconf/202017202007e3sconf_nsb2020_02007Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditionsTian Zhiyong0Hrynyszyn Bozena Dorota1Department of Civil and Environmental Engineering, Norwegian University of Science and TechnologyDepartment of Civil and Environmental Engineering, Norwegian University of Science and TechnologyHeat waves had attacked Norway in 2018 and 2019. Residents in Norway experienced a very uncomfortable indoor environment in the summer of 2018 and 2019. Few publications on the overheating risk of a typical Norwegian residential building under future climate change conditions were found. The typical Norwegian residential building retrofitted according to the minimum Norwegian energy requirements in the Norwegian Building Act of 2010 (Pbl2010/TEK17) and the international EnerPHit Standard was modelled in this study. Overheating risk of the typical residential building was simulated by Energy Plus engine via Ladybug and Honeybee plugins based on the Grasshopper. Overheating hours of the studied rooms under present-day, the 2050s and the 2080s weather conditions were shown. Too good airtightness does increase the overheating risk of the building when retrofitted to higher energy standards. It was found in this study that better insulation does reduce the overheating hours of the bedrooms slightly. This may be caused by low g-value of the windows based on recommendation according to the EnerPHit Standard. Overheating should be paid more attention in term of the expected future climate conditions. These results can provide some references to the buildings retrofitted to high-performance buildings.https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/32/e3sconf_nsb2020_02007.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Tian Zhiyong
Hrynyszyn Bozena Dorota
spellingShingle Tian Zhiyong
Hrynyszyn Bozena Dorota
Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions
E3S Web of Conferences
author_facet Tian Zhiyong
Hrynyszyn Bozena Dorota
author_sort Tian Zhiyong
title Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions
title_short Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions
title_full Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions
title_fullStr Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions
title_full_unstemmed Overheating risk of a typical Norwegian residential building retrofitted to higher energy standards under future climate conditions
title_sort overheating risk of a typical norwegian residential building retrofitted to higher energy standards under future climate conditions
publisher EDP Sciences
series E3S Web of Conferences
issn 2267-1242
publishDate 2020-01-01
description Heat waves had attacked Norway in 2018 and 2019. Residents in Norway experienced a very uncomfortable indoor environment in the summer of 2018 and 2019. Few publications on the overheating risk of a typical Norwegian residential building under future climate change conditions were found. The typical Norwegian residential building retrofitted according to the minimum Norwegian energy requirements in the Norwegian Building Act of 2010 (Pbl2010/TEK17) and the international EnerPHit Standard was modelled in this study. Overheating risk of the typical residential building was simulated by Energy Plus engine via Ladybug and Honeybee plugins based on the Grasshopper. Overheating hours of the studied rooms under present-day, the 2050s and the 2080s weather conditions were shown. Too good airtightness does increase the overheating risk of the building when retrofitted to higher energy standards. It was found in this study that better insulation does reduce the overheating hours of the bedrooms slightly. This may be caused by low g-value of the windows based on recommendation according to the EnerPHit Standard. Overheating should be paid more attention in term of the expected future climate conditions. These results can provide some references to the buildings retrofitted to high-performance buildings.
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/32/e3sconf_nsb2020_02007.pdf
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