Umeå University's logo

umu.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Integrating passive energy efficient measures to the building envelope of a multi-apartment building in Sweden: analysis of final energy savings and cost effectiveness
Department of Built Environment and Energy Technology, Linnaeus University, Växjö, Sweden.
Department of Building Technology, Linnaeus University, Växjö, Sweden.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.ORCID iD: 0000-0002-0588-9510
Department of Built Environment and Energy Technology, Linnaeus University, Växjö, Sweden.
2023 (English)In: Buildings, E-ISSN 2075-5309, Vol. 13, no 10, article id 2654Article in journal (Refereed) Published
Abstract [en]

A major challenge in building energy renovation is to cost effectively achieve notable energy savings. This paper investigates cost-effective passive energy-efficiency measures for thermal envelope retrofit of a typical Swedish multi-apartment building from the 1970s. Here, the use of different types of insulation materials for the retrofits of roof, exterior walls, and ground floor are analyzed along with changing windows and doors with varying thermal transmittance values. The cost-effectiveness analysis is based on the net present value of the investment costs of the energy-efficiently measures and the achieved energy cost saving. Different economic scenarios and renovation cases are considered in techno-economic analyses to determine the cost-effective energy-efficiency retrofit measures. The results indicate that improved windows reduce energy demand for space heating by up to 23% and yield the highest final energy savings. However, additional mineral wool roof insulation is the most cost-effective measure under all economic scenarios. This measure gave the lowest ratio of cost effectiveness of about 0.1, which was obtained under the stable scenario. The final energy savings that can be achieved in a cost-effective manner vary between 28% and 61%, depending on the economic scenario and renovation case. This analysis emphasizes the influence of different renovation cases and economic parameters on the cost effectiveness of passive energy-efficiency measures.

Place, publisher, year, edition, pages
MDPI, 2023. Vol. 13, no 10, article id 2654
Keywords [en]
building envelope, economic analysis, energy renovation, heat-saving measures, Swedish multi-dwelling building
National Category
Building Technologies Energy Systems
Identifiers
URN: urn:nbn:se:umu:diva-216188DOI: 10.3390/buildings13102654Scopus ID: 2-s2.0-85175029367OAI: oai:DiVA.org:umu-216188DiVA, id: diva2:1810774
Available from: 2023-11-09 Created: 2023-11-09 Last updated: 2024-01-17Bibliographically approved

Open Access in DiVA

fulltext(3138 kB)106 downloads
File information
File name FULLTEXT01.pdfFile size 3138 kBChecksum SHA-512
e16f2081c0f3b4aaac61170d6d167c7bb6a02be70c6203e19e1133c943b70fa20ffb6af35ab692b718ef6365db5ab721f7fb0adea59c0e1f6305760eb027308f
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Authority records

Truong, Nguyen Le

Search in DiVA

By author/editor
Truong, Nguyen Le
By organisation
Department of Applied Physics and Electronics
In the same journal
Buildings
Building TechnologiesEnergy Systems

Search outside of DiVA

GoogleGoogle Scholar
Total: 106 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 189 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf