Optimizing sustainable retrofit strategies for a heritage complex through multiobjective optimization and Space Syntax analysis: a Suzhou case study

Qi Xu, Shihao Zhang and Saffa Riffat

International Journal of Low-Carbon Technologies, 2025, vol. 20, 1242-1255

Abstract: This study addresses the sustainable retrofitting of heritage buildings, balancing modern efficiency with heritage preservation. Using a Suzhou case study, this research integrates multiobjective optimization and Space Syntax analysis to tailor sustainable retrofit strategies for a heritage complex. The framework balances energy efficiency, historical value, and architectural integrity by customizing measures for individual buildings. The proposed solution reduces energy consumption by up to 37% with lower negative historic impacts and initial costs compared with solutions proposed by conventional optimization methods. These results demonstrate that advanced optimization combined with spatial analysis provides a robust, quantitative basis for harmonizing energy performance with heritage conservation.

Keywords: Space Syntax analysis; multiobjective optimization; heritage complex; sustainable retrofit; Suzhou Zhuangyuan museum (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:20:y:2025:i::p:1242-1255.

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