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1	Fönsterbyte – alternativ för miljonprogrammets bostäder : Jämförande studie av energianvändning och CO2 påverkan Rahi, Sonil January 2022 (has links) In this comparative study were four alternative windows researched to find the most suitable ones for replacement when renovating the Million Programme housing. The methodology in the study involves a combination of methods, using interviews with companies and tenants, email correspondence with people who contributed to the study, and observation of a multi-family building built during the Million Programme. The result shows that all alternatives are ideal, and the only difference is the insulation performance and the energy-efficiency, which can be said to be minimal. CO2-emissions and thus climate impact will be lowered regardless of the choice of windows for replacement based on the alternatives investigated. The interviews show that the customer/client decides the choice of window, which the construction companies pass on to the window-suppliers. The existing windows in the observed building showed low quality of energy efficiency, comfort and thus high climate impact. Finally, it is concluded that focus should be on low U-values and emissions rather than on costs which should not be the deciding factor. Buildings should be renovated within the renovation cycle developed by the Energimyndigheten and Boverket for impact on CO2-emissions and climate. Other measures for improvements are also proposed in this study. multi-dwelling buildings window options climate impact zero-emissions carbon emissions energy use energy efficiency U-value flerbostadshus fönsteralternativ klimatpåverkan nollutsläpp koldioxidutsläpp energianvändning energieffektivisering U-värde. Building Technologies Husbyggnad Construction Management Byggproduktion

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Fönsterbyte – alternativ för miljonprogrammets bostäder : Jämförande studie av energianvändning och CO2 påverkan