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Effects of energy efficiency measures in district-heated buildings on energy systems
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Sustainable Built Environment)
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Sustainable Built Environment)
2016 (English)In: Proceedings of International Conference on Sustainable Built Environment - SBE 16.  March 8 - 11, 2016, Hamburg, Germany, International Sustainable Built Environment , 2016Conference paper, Published paper (Refereed)
Abstract [en]

The primary energy savings depend on both the final energy savings and the energy efficiency of the supply system. In this study, we evaluate primary energy savings of different energy efficiency measures in a multistory district-heated building in Sweden. We consider various locations of the building with different district heat production systems (DHS) of different scales, technical charac-teristics and heat-load profiles. We show that the primary energy savings of the energy efficiency measures vary with the type of measure and with the type of energy supply systems. The energy efficiency measures give large final energy savings but their primary energy savings vary signifi-cantly. Of the energy efficiency measures, the measure that gives electricity savings but increase the use of district heat is the most primary energy efficient in relation to the final energy savings. Heat savings in buildings connected to small-scale DHS using heat-only boilers is more primary energy efficient than that in buildings connected to medium- and large- scale DHS using combined heat and power units. Evaluation of energy efficiency measures for district-heated buildings re-quires a systems perspective where the final energy savings in buildings are matched to the actu-al energy supply systems.

Place, publisher, year, edition, pages
International Sustainable Built Environment , 2016.
Keyword [en]
energy efficiency, district heated building, primary energy use, district heat
National Category
Construction Management Energy Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-57663OAI: oai:DiVA.org:lnu-57663DiVA: diva2:1040666
Conference
International Conference on Sustainable Built Environment - SBE 16. March 8 - 11, 2016, Hamburg, Germany
Note

Ej belagd 170314

Available from: 2016-10-28 Created: 2016-10-28 Last updated: 2017-05-18Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • 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