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Implementation of energy efficient windows in Swedish single-family houses
Mittuniversitetet, Institutionen för teknik och hållbar utveckling.
Linnéuniversitetet, Växjö.
Linnéuniversitetet, Växjö.
2012 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 89, no 1, 329-338 p.Article in journal (Refereed) Published
Abstract [en]

A questionnaire survey of 1010 homeowners in Jämtland and Västernorrland, which are two counties in central Sweden, was conducted to understand the factors influencing their decision to install energy-efficient windows. We complemented this survey with an interview of 12 window sellers/installers in the county Jämtland. The annual energy cost reduction, age, and condition of the windows were the most important reasons for the window replacement decision. Approximately 80% of the respondents replaced their windows with energy-efficient windows with U-value of 1.2 W/m2 K. Condensation problems, perceived higher prices, and lack of awareness about windows with lower U-values were important reasons for non-adoption of more energy-efficient windows. Window sellers/installers have a strong influence on homeowners’ window selection that was indicated by the 97% of homeowners who bought the windows that were recommended to them. Sellers/installers revealed that they did not recommend windows with U-value of less than 1.2 W/m2 K because they thought that investing in such windows was not economical and because windows with U-value less than 1.2 W/m2 K could cause water condensation on the external surface of window pane.

Place, publisher, year, edition, pages
Elsevier, 2012. Vol. 89, no 1, 329-338 p.
Keyword [en]
Energy-efficient windows, U-value, Homeowners, Sellers, Installers, Sweden
National Category
Energy Systems Environmental Analysis and Construction Information Technology
URN: urn:nbn:se:umu:diva-83851DOI: 10.1016/j.apenergy.2011.07.040OAI: diva2:677794
Available from: 2013-12-10 Created: 2013-12-10 Last updated: 2014-05-20Bibliographically approved

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Nair, Gireesh
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