Linking Thermal Risk, Energy Performance, and Building Typology: A Comparative Study of Walloon Residential Buildings Under Climate Change

Abrahams, Pauline; Andre, Philippe

doi:10.26868/25222708.2025.2101

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Linking Thermal Risk, Energy Performance, and Building Typology: A Comparative Study of Walloon Residential Buildings Under Climate Change

Abrahams, Pauline; Andre, Philippe

2025 • In Proceedings of the 19th IBPSA Conference

Peer reviewed

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https://hdl.handle.net/2268/334999

DOI
10.26868/25222708.2025.2101

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Abstract :

[en] Many recent studies have examined the impact of extreme weather conditions on building performance, mainly focusing on newly constructed energy-efficient buildings. This paper investigates the thermal and energy performance of pre-war Walloon residential buildings under projected climate conditions, comparing them with renovation scenario and new constructions that comply with current regulations. To assess potential heat-related health risks, the study introduces the Heat Index as a complementary indicator to conventional metrics used in Belgium such as overheating degree hours and annual energy consumption. Simulations conducted using TRNSYS reveal a trend of increased overheating and potential thermal stress, particularly in buildings designed to meet Walloon regulatory standards.

Research Center/Unit :

SPHERES - ULiège

Disciplines :

Energy

Author, co-author :

Abrahams, Pauline ; Université de Liège - ULiège > Sphères

Andre, Philippe ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement (Arlon Campus Environnement)

Language :

English

Title :

Linking Thermal Risk, Energy Performance, and Building Typology: A Comparative Study of Walloon Residential Buildings Under Climate Change

Publication date :

August 2025

Event name :

Building Simulation 2025

Event organizer :

Australasian Affiliate of the International Building Performance Simulation Association (IBPSA Australasia)
Australian Institute of Refrigeration, Air Conditioning and Heating (AIRAH)

Event place :

Brisbane, Australia

Event date :

24-27 August 2025

Event number :

Audience :

International

Main work title :

Proceedings of the 19th IBPSA Conference

Publisher :

IPBSA, Brisbane, Australia

Peer review/Selection committee :

Peer reviewed

Additional URL :

https://publications.ibpsa.org/conference/paper/?id=bs2025_2101

Available on ORBi :

since 05 August 2025

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Bibliography

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