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Including future climate induced cost when assessing building refurbishment performance
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.ORCID iD: 0000-0002-0014-4261
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.ORCID iD: 0000-0002-8704-8538
2019 (English)In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 203, article id UNSP 109428Article in journal (Refereed) Published
Abstract [en]

Improving energy efficiency in the existing buildings stock is essential to limit climate change and the economic assessment of measures are traditionally only based on the reduction of energy costs: However, future financial benefits of limiting climate change are rarely included in the evaluation of refurbishment investments. Although, the costs associated with global warming are expected to be extensive. This study introduces a method for the financial evaluation of energy efficiency investments that merge the reduction of life cycle energy costs with the reduction of future climate induced costs. A case study is used to exemplify the method. The case study shows that when reduced future costs due to mitigated life cycle greenhouse gas emissions are included in the analysis, the ranking between different measures can change and traditionally non-profitable measures may become financially sound investments. The introduced Economy+ indicator is shown to be an accessible performance measure to assess building refurbishment and may also be used in the design stage of new construction. (C) 2019 The Authors. Published by Elsevier B.V.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 203, article id UNSP 109428
Keywords [en]
Life cycle assessment, Building refurbishment, Global warming, Climate induced damage cost, Climate impact discount rate
National Category
Environmental Analysis and Construction Information Technology
Identifiers
URN: urn:nbn:se:umu:diva-165739DOI: 10.1016/j.enbuild.2019.109428ISI: 000496335500025OAI: oai:DiVA.org:umu-165739DiVA, id: diva2:1376698
Available from: 2019-12-10 Created: 2019-12-10 Last updated: 2019-12-10Bibliographically approved

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Nydahl, HelenaAndersson, StaffanÅstrand, Anders P.Olofsson, Thomas
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