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Primary energy use in buildings in a Swedish perspective
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. Energy Technology, Dalarna University, Falun, Sweden.
Energy Technology, Dalarna University, Falun, Sweden.
Building Technology, Dalarna University, Falun, Sweden.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0001-9230-1596
2016 (English)In: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 130, 202-209 p.Article in journal (Refereed) Published
Abstract [en]

The building sector accounts for a large part of the energy use in Europe and is a sector where the energy efficiency needs to improve in order to reach the EU energy and climate goals. The energy efficiency goal is set in terms of primary energy even though there are different opinions on how to calculate primary energy. When determining the primary energy use in a building several assumptions are made regarding allocation and the value of different energy sources. In order to analyze the difference in primary energy when different methods are used, this study use 16 combinations of different assumptions to calculate the primary energy use for three simulated heating and ventilations systems in a building. The system with the lowest primary energy use differs depending on the method used. Comparing a system with district heating and mechanical exhaust ventilation with a system with district heating, mechanical exhaust ventilation and exhaust air heat pump, the former has a 40% higher primary energy use in one scenario while the other has a 320% higher in another scenario. This illustrates the difficulty in determining which system makes the largest contribution to fulfilling the EU energy and climate goals.

Place, publisher, year, edition, pages
2016. Vol. 130, 202-209 p.
Keyword [en]
Air heat recovery, District heating, Energy efficiency, Heat pump, Primary energy, Primary energy factors, Heat pump systems, Heating, Ventilation, Ventilation exhausts, Waste heat, Building sectors, Different energy sources, Exhaust air, Heat pumps, Large parts, Mechanical exhausts, Primary energies, Primary energy use
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-33110DOI: 10.1016/j.enbuild.2016.08.026ISI: 000385323900019Scopus ID: 2-s2.0-84983483204OAI: oai:DiVA.org:mdh-33110DiVA: diva2:967399
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2018-01-03Bibliographically approved
In thesis
1. The impact on the energy system of heating demands in buildings: A case study on district heating and electricity for heating in Falun, Sweden
Open this publication in new window or tab >>The impact on the energy system of heating demands in buildings: A case study on district heating and electricity for heating in Falun, Sweden
2017 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2017
Series
Mälardalen University Press Licentiate Theses, ISSN 1651-9256 ; 250
National Category
Energy Engineering
Research subject
Energy- and Environmental Engineering
Identifiers
urn:nbn:se:mdh:diva-34255 (URN)978-91-7485-305-6 (ISBN)
Presentation
2017-02-09, Högskolan Dalarna, Borlänge, 13:00 (Swedish)
Opponent
Available from: 2016-12-15 Created: 2016-12-15 Last updated: 2018-01-03Bibliographically approved

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Dotzauer, Erik

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