Climate adaptation of existing buildings: A critical review on planning energy retrofit strategies for future climate

Don Rukmal Liyanage, Kasun Hewage, Syed Asad Hussain, Faran Razi and Rehan Sadiq

Renewable and Sustainable Energy Reviews, 2024, vol. 199, issue C

Abstract: Energy retrofitting for buildings has gained great attention in recent years due to the significant benefits of reducing environmental impacts and costs. Generally, retrofit planning involves considering criteria such as energy savings, emissions savings, and cost savings. However, the rapid transition of climate and extreme climate forces integrate climate adaptation into retrofit practices. This study examines strategies and modifications necessary to transform the current climate mitigation-based retrofit processes into frameworks that simultaneously improve climate mitigation and adaptation. A comprehensive literature review is conducted on building energy retrofit studies based on climate adaptation. It was found that future climate events are anticipated to be more related to overheating than under-cooling in many regions. Passive retrofit strategies can reduce overheating risks substantially, while the dependency on active cooling is unavoidable in warm climatic regions in future climates. Retrofit strategies designed based on traditional approaches may not be effective and may even worsen the risks of overheating in the future climate due to drastic climate change. Climate resiliency criteria must be adapted to the building retrofit field. Climate modelling and energy simulation have a substantial role in designing retrofits, and yet significant research and development is required to penetrate the current retrofit practices. The synthesis of the findings guides the systematic and careful designing and implementation of building energy retrofits. These findings offer valuable insights to policymakers, urban planners, and researchers seeking to improve buildings' energy performance and resiliency and act as a guideline to implement climate change adaptation strategies.

Keywords: Climate adaptation; Existing buildings; Building energy efficiency; Energy retrofits; Retrofit planning; Thermal resilience (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.rser.2024.114476

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