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Primary energy impact of ventilation heat recovery in a timber-frame building with different heat systems.
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (SBER)
2012 (English)In: Forum Holzbau Nordic, Växjö 12: International Holzbau-Forum Nordic Växjö 12 (IHN 2012),  Nordic Wood Construction Conference Vertrie, 2012Conference paper, Published paper (Other academic)
Abstract [en]

Here, we analyze the impact of ventilation heat recovery (VHR) on the operationprimary energy use of a case-study timber-frame building using different heatsupply systems including electric resistance heating, bedrock heat pump and districtheating based on combined heat and power (CHP) production. We model theprimary energy use for the original and improved level of energy efficiency of thebuilding, both with and without VHR. VHR increases the electrical energy used forventilation and reduces the heat energy used for space heating. Significant primaryenergy savings is achieved when VHR is used in electric resistance heatedbuildings than in district heated buildings. For district heated buildings the primaryenergy savings are small. VHR systems can give substantial final energy reduction,but the primary energy benefit depends strongly on the type of heatsupply system, and also on the amount of electricity used for VHR and the airtightnessof buildings. This study shows the importance of considering the interactionsbetween heat supply systems and VHR systems to reduce primary energyuse in buildings.

Place, publisher, year, edition, pages
2012.
National Category
Environmental Engineering
Research subject
Natural Science, Environmental Science
Identifiers
URN: urn:nbn:se:lnu:diva-21888OAI: oai:DiVA.org:lnu-21888DiVA, id: diva2:558405
Conference
International Holzbau-Forum Nordic 2012 (IHN 12), Växjö, Sweden, August 30-31. New construction in a new age, Good homes for small households at a reasonable price
Available from: 2012-10-03 Created: 2012-10-03 Last updated: 2015-01-12Bibliographically approved

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Dodoo, Ambrose

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CiteExportLink to record
Permanent link

Direct link
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