Contribution of Glazed Balconies as a Passive Heating System in Contemporary Buildings in Northern Portugal

Julia Lima Toroxel, Sandra Monteiro Silva () and Jorge Fernandes
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Julia Lima Toroxel: Department of Civil Engineering, University of Minho, 4800-058 Guimarães, Portugal
Sandra Monteiro Silva: University of Minho, ISISE, ARISE, Department of Civil Engineering, 4800-058 Guimarães, Portugal
Jorge Fernandes: University of Minho, ISISE, ARISE, Department of Civil Engineering, 4800-058 Guimarães, Portugal

Sustainability, 2024, vol. 16, issue 13, 1-29

Abstract: To mitigate greenhouse gas emissions responsible for global warming and climate change, governments have undertaken concerted efforts and established goals to restructure production and consumption patterns within the current global economy. The construction sector, which in Europe has significant energy use and related greenhouse gas emissions, recognizes adopting passive heating and cooling systems for buildings as a viable solution. The revival of vernacular passive solar strategies emerges as opportune within this context. Through dynamic simulations, this study aims to analyze and quantify the potential contribution of glazed balconies, a traditional passive heating system, to improve contemporary constructions’ thermal behavior and comfort conditions in mild temperate climates, such as in northern Portugal. Results indicate that this system can significantly enhance a building’s energy efficiency, reducing energy needs for heating and cooling by up to 47% while extending periods of thermal comfort indoors by nearly 900 h per year compared to buildings with non-glazed balconies. Proper use of natural ventilation and shading devices is essential to ensure optimal system performance and prevent overheating. This research underscores the potential of glazed balconies as a sustainable solution for enhancing contemporary buildings’ thermal-energy performance and comfort, contributing to the transition towards carbon-neutral constructions.

Keywords: glazed balcony; passive solar systems; vernacular architecture; building energy modeling; OpenStudio Application v1.5.0 (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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