Added Convex Windows for Improving the Energy Balance

Abstract:

Added convex window is an additional glazed construction put on the façade from outside which covers the remaining original window in the plane of the façade. It is suitable for energy conscious retrofit and can be applied on new buildings as well. The added construction provides a buffer effect further improved due to the greenhouse effect. Fresh air supply through buffer space decreases the ventilation heat loss of adjacent room. Preliminary calculations, presented in the article prove that considerable energy saving can be achieved even if the façade is oriented towards North. The energy saving is compared with that of the typical retrofit measures. Besides the energy aspect several positive side effects are worth of mentioning such as fabric protection, protection against street-born noise, aesthetic improvement of old ugly-looking buildings.

• Periodical: Applied Mechanics and Materials (Volume 824)
• Pages: 339-346
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.824.339
• Online since: January 2016
• Authors: Attila Kerekes, Andras Zold
• Keywords: Bay Window, Double Skin Facade, Reconstruction, Solar Gain

References

[1] X LOncour, A. Deneyer, M. Blasco, G. Flamant, P. Wouters: Ventilated double skin facades. BBRI, (2006).

[2] Gelesz A., Dr. Reith A. A kéthéjú üveghomlokzatok, Alaprajz 15. évf (1), 2008. : pp.50-53.

[3] EU, 244/2012. Commission delegated regulation No 244/2012 of 16 January 2012 supplementing Directive 2010/31/EU of the European Parliament and of the Council on the energy performance of buildings by establishing a comparative methodology framework for calculating cost-optimal levels of minimum energy performance requirements for buildings and building elements.

[4] Decree 2006/7 by the Minister without Portfolio Hungarian Government Decree on the energy performance of buildings.