Glazed facades and their influence on indoor climate in buildings

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Glazed facades are one of the most dominant features of contemporary architecture. They are used not only for their modern appearance, but also for energy saving purposes. This trend leads to increased transparency and daylighting in buildings. On the other hand, large glazed areas cause the glare effect and create a potential source of overheating. The indoor environment problems can result in necessity of increased ventilation and cooling and, consequently, in higher energy demands of the buildings. The paper presents the case studies of two different glazed facades – the CFD simulation of summer conditions in the double-skin solar energy facade on a small office building, and the findings of indoor environment monitoring in a large administrative building with a passive single glazed facade. Besides, the influence of glazed area extent on energy demands of the building is illustrated with the help of simulation results.

glazed facade, overheating, indoor climate, thermal comfort, air conditioning

2007-01-01

CSBS iiSBE Czech

Praha

978-80-903807-8-3

Proceedings of Int. Conf. CESB 2007

571–576

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