Combined impacts of climate and wall insulation on the energy benefit of an extra layer of glazing in the facade

Mingotti, N. and Chenvidyakarn, T. and Woods, A. W. (2013) Combined impacts of climate and wall insulation on the energy benefit of an extra layer of glazing in the facade. Energy and Buildings, 58. pp. 237-249. ISSN 0378-7788 DOI 10.1016/j.enbuild.2012.11.033

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

We explore the impacts of climate and wall insulation on the energy demand of a room connected to single or double glazing exposed to solar radiation. We show that in cold climates with weak solar radiation double glazing reduces the requirement for mechanical heating of buildings with poor wall insulation and/or small occupancy, particularly when its inner layer is tinted. In these climates the energy benefit of multi-layered glazing connected to well-insulated buildings with large internal heat gain is smaller. However, in warmer climates with stronger solar flux, double glazing reduces the requirement for mechanical cooling of buildings with good wall insulation and relatively small ventilation, particularly when its outer layer is tinted or highly reflective. For buildings with poor wall insulation located in warm climates with strong solar radiation, the energy saving provided by the extra layer of glazing in the facade is small.

Item Type: Article
Uncontrolled Keywords: 2012AREP; IA65;
Subjects: 99 - Other
Divisions: 99 - Other
Journal or Publication Title: Energy and Buildings
Volume: 58
Page Range: pp. 237-249
Identification Number: 10.1016/j.enbuild.2012.11.033
Depositing User: Sarah Humbert
Date Deposited: 09 Feb 2013 12:03
Last Modified: 23 Jul 2013 10:05
URI: http://eprints.esc.cam.ac.uk/id/eprint/2674

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