Climate change sensitive sizing and design for nearly zero-energy office building systems in Brussels

[en] As climate change continues, it is expected that the risk of overheating will rise in both new and existing buildings in mixed humid climate zones in Europe. This study introduced a novel climate change sensitive sizing and design approach for cooling and heating systems in nearly zero-energy office buildings in Brussels, Belgium, for different weather scenarios. This approach considered the long-term effects of climate change on building performance. The climate change effects were assessed using current and future climate data from the regional atmospheric model, MAR. To demonstrate the approach, a case study of a nearly zero-energy office building in Brussels was conducted. The reference building model was first calibrated using monthly energy use data from the year 2019 using ASHRAE Guideline 14. Then, the building was evaluated with different HVAC strategies and their performances were quantified. The results indicated an increase in overheating as high as 1.2 °C and cooling energy use as high as 13.5 kWh/m2 and a decrease in overcooling as low as 0.3 °C and heating energy use as low as 10.9 kWh/m2 in the reference building by the end of the century. In addition, due to climate change sensitive sizing and design approach coupled with optimal sizing, the reference building was climate change resistant towards the worst-case scenario by end of the century with up to 3.7 for climate change overheating resistivity and 20.2 for climate change overcooling resistivity. Finally, the paper provided recommendations for future practice and research based on the study findings.

Research Center/Unit :

Sustainable Building Design Lab

Disciplines :

Civil engineering

Author, co-author :

Amaripadath, Deepak ; Université de Liège - ULiège > Urban and Environmental Engineering

Rahif, Ramin ; Université de Liège - ULiège > Urban and Environmental Engineering

Zuo, Wangda

Velickovic, Mirjana

Voglaire, Corentin

Attia, Shady ; Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments

Language :

English

Title :

Climate change sensitive sizing and design for nearly zero-energy office building systems in Brussels

Publication date :

01 May 2023

Journal title :

Energy and Buildings

ISSN :

0378-7788

eISSN :

1872-6178

Publisher :

Elsevier BV

Volume :

286

Pages :

112971

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://www.sciencedirect.com/science/article/pii/S0378778823002013?dgcid=author

Name of the research project :

Overheating Indicator and Calculation Method for Walloon Buildings

Funders :

SPW - Public Service of Wallonia

Funding number :

847587

Available on ORBi :

since 14 March 2023

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