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Eco-Efficient Thermal Rehabilitation of Residential Buildings in Northeast Brazil Through Thermal Modeling Considering Future Climate Needs
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Orientador(es)
Resumo(s)
The outdoor climate is expected to undergo significant and extreme changes. These changes may lead to increased building requirements depending on their location. This is critical, as human beings tend to spend a large part of their time inside buildings. Accordingly, it is crucial to take future conditions into account to ensure an adequate indoor climate, simultaneously meeting the current drive for decarbonization of the built environment. One avenue is opting for thermally efficient building products and technologies with a lower carbon footprint to guarantee a comfortable indoor climate while minimizing energy consumption. This study focuses on the Northeast region of Brazil, specifically its nine states, given the usage of specific passive thermal strategies in new buildings that have high compensatory energy consumption. This is achieved through developing computational thermal models of a housing unit in a multi-family building, commonly constructed in several cities in this region. This thermal model was employed to analyze indoor thermal comfort, energy consumption, and carbon footprint. To account for future climate projections, the analysis includes scenarios based on Representative Concentration Pathways 4.5 and 8.5. The efficiency of certain sustainable passive rehabilitation is demonstrated in this region, highlighting the importance of adopting passive and efficient thermal measures appropriate to the region’s climate.
Descrição
Funding Information: This research was funded by the Fundação para Ciência e a Tecnologia (FCT), grant number [UIDB/04625/2025] of the CERIS research unit. Publisher Copyright: © 2025 by the authors.
Palavras-chave
Bio-based thermal insulation Built environment Climate change Energy consumption Sustainability Thermal comfort Architecture Civil and Structural Engineering Building and Construction SDG 7 - Affordable and Clean Energy SDG 11 - Sustainable Cities and Communities SDG 13 - Climate Action