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Exploring climate-change impacts on energy efficiency and overheating vulnerability of bioclimatic residential buildings under Central European climate
ID Pajek, Luka (Author), ID Košir, Mitja (Author)

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Abstract
Climate change is expected to expose the locked-in overheating risk concerning bioclimatic buildings adapted to a specific past climate state. The study aims to find energy-efficient building designs which are most resilient to overheating and increased cooling energy demands that will result from ongoing climate change. Therefore, a comprehensive parametric study of various passive building design measures was implemented, simulating the energy use of each combination for a temperate climate of Ljubljana, Slovenia. The approach to overheating vulnerability assessment was devised and applied using the increase in cooling energy demand as a performance indicator. The results showed that a B1 heating energy efficiency class according to the Slovenian Energy Performance Certificate classification was the highest attainable using the selected passive design parameters, while the energy demand for heating is projected to decrease over time. In contrast, the energy use for cooling is in general projected to increase. Furthermore, it was found that, in building models with higher heating energy use, low overheating vulnerability is easier to achieve. However, in models with high heating energy efficiency, very high overheating vulnerability is not expected. Accordingly, buildings should be designed for current heating energy efficiency and low vulnerability to future overheating. The paper shows a novel approach to bioclimatic building design with global warming adaptation integrated into the design process. It delivers recommendations for the energy-efficient, robust bioclimatic design of residential buildings in the Central European context, which are intended to guide designers and policymakers towards a resilient and sustainable built environment.

Language:English
Keywords:climate change, bioclimatic design, passive design, energy efficiency, overheating, building resilience, robustness
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Year:2021
Number of pages:17 str.
Numbering:Vol. 13, iss. 12, art. 6791
PID:20.500.12556/RUL-127706 This link opens in a new window
UDC:699.8
ISSN on article:2071-1050
DOI:10.3390/su13126791 This link opens in a new window
COBISS.SI-ID:67655427 This link opens in a new window
Publication date in RUL:21.06.2021
Views:834
Downloads:158
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Record is a part of a journal

Title:Sustainability
Publisher:MDPI
ISSN:2071-1050
COBISS.SI-ID:5324897 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:16.06.2021

Secondary language

Language:Slovenian
Keywords:gradbene konstrukcije, gradbena fizika, podnebne spremembe, bioklimatsko načrtovanje, pasivni ukrepi, energijska učinkovitost, pregrevanje, odpornost stavb, robustnost

Projects

Funder:ARRS - Slovenian Research Agency
Project number:P2-0158
Name:Gradbene konstrukcije in gradbena fizika

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