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Implementation of energy efficient windows in Swedish single-family houses
Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (SBER)ORCID iD: 0000-0003-4405-1056
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (SBER)
2012 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 89, no 1, p. 329-338Article 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, p. 329-338
National Category
Environmental Sciences
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-15704DOI: 10.1016/j.apenergy.2011.07.040Scopus ID: 2-s2.0-80053294916OAI: oai:DiVA.org:lnu-15704DiVA, id: diva2:454945
Available from: 2011-08-25 Created: 2011-11-08 Last updated: 2018-05-17Bibliographically approved

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Nair, GireeshMahapatra, KrushnaGustavsson, Leif

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