10.1007/s40095-022-00511-7

Optimization of balcony’s glazed enclosure with spectrally selective coatings regarding heating demand and thermal comfort in a multifamily building

  1. Department of Construction, Faculty of Civil Engineering and Architecture, Lublin University of Technology, Lublin, 20-618, PL

Published in Issue 2022-06-22

How to Cite

Grudzińska, M. (2022). Optimization of balcony’s glazed enclosure with spectrally selective coatings regarding heating demand and thermal comfort in a multifamily building. International Journal of Energy and Environmental Engineering, 14(3 (September 2023). https://doi.org/10.1007/s40095-022-00511-7

Abstract

Abstract Sunspaces in the form of enclosed balconies are a frequently used solution to reduce heat loss from adjacent rooms, protect against noise or create additional usable space. Deterioration of thermal comfort in summer caused by impeded heat outflow from living spaces may be their disadvantage. Internal conditions in the greenhouse and adjacent rooms can be influenced by using spectrally selective coatings on the balcony enclosure glazing. The subject of the research was the analysis of the effects caused by such modifications throughout the year (distinguishing between the heating and cooling season). Computer simulations allowed choosing the optimal solution from the point of view of three scenarios, namely: minimisation of heat demand, the number of overheating hours, and energy demand determined based on various climate data. Glazing with a high solar transmittance coating in a thermally insulated balcony’s casing, allowing for a good buffer effect of the enclosure, proved to be the optimal solution.

Keywords

  • Passive solar systems,
  • Glazed balconies,
  • Spectrally selective coatings,
  • Energy demand,
  • Thermal comfort

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