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A Comparative Analysis of the International Regulation of Thermal Properties in Building Envelope

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University of Seville, Department of Graphical Expression and Building Engineering, Av. Reina Mercedes 4A, 41012 Seville, Spain
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Instituto Superior de Engenharia, Universidade do Algarve, 8005-139 Faro, Portugal
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Department of Building Construction II, University of Seville, 41012 Seville, Spain
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Author to whom correspondence should be addressed.
Sustainability 2019, 11(20), 5574; https://doi.org/10.3390/su11205574
Received: 17 September 2019 / Revised: 1 October 2019 / Accepted: 4 October 2019 / Published: 10 October 2019
To achieve the goals of reducing building energy consumption, regulations are being designed to guarantee the appropriate energy performance of buildings. Both European and South American countries establish requirements of thermal properties of building envelope according to the climate zone, thus implying notable differences in climate classifications and technical requirements. This research provides a general view of advantages and limitations between the different state regulations of three South American countries (Argentina, Brazil, and Chile) and three European countries (Spain, Portugal, and France). A total of 792 simulations were conducted with Energy Plus by considering 12 different dwelling typologies in 66 climate zones. Building envelopes were adapted to the regulations of the various countries. Results showed tendencies of performance clearly different between the South American and the European countries, with the latter being those with the lowest energy demands. The cluster analysis of distributions of energy demand revealed that buildings located in similar climates but in different countries present very different energy performances. This research opens up the discussion on the development of more demanding policies related to thermal properties of buildings. Also, the analysis at a continental scale could reduce the differences between countries and guarantee a more sustainable life for the building stock. View Full-Text
Keywords: thermal transmittance; energy demand; international regulation; building; South America; Europa; cluster analysis thermal transmittance; energy demand; international regulation; building; South America; Europa; cluster analysis
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Bienvenido-Huertas, D.; Oliveira, M.; Rubio-Bellido, C.; Marín, D. A Comparative Analysis of the International Regulation of Thermal Properties in Building Envelope. Sustainability 2019, 11, 5574.

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