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Reducing energy usage in multi-family housing
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building Engineering, Energy Systems and Sustainability Science, Energy Systems and Building Technology. (Energisystem)
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building Engineering, Energy Systems and Sustainability Science, Energy Systems and Building Technology.ORCID iD: 0000-0003-2023-689x
2019 (English)In: 2019 9th International Conference on Future Environment and Energy 9–11 January 2019, Osaka, Japan, Institute of Physics Publishing (IOPP), 2019, Vol. 257, article id 012030Conference paper, Published paper (Refereed)
Abstract [en]

The energy usage in residential sector have been around 22% of the total energy use in the world and increasing due to the population growth and higher living standards. The energy sources for this are made up primarily of non-renewable energy resources which generates a large amount of global greenhouse gases. A lot of countries have implemented various regulations and rules to reduce the energy usage in buildings and promoting the use of renewable energy technologies. This paper presents a parametric study of a typical multi-family building in its pre-design stage. The climate location used is Sweden (Gothenburg) and Japan (Osaka). The aim of the study is to compare various configurations and to examine how they affect the energy use. The most interesting configurations are the use of heat pump and solar cells. Other configurations that are examined are infiltration levels, pressure coefficients, wind impact, ventilation with heat recovery, ventilation scheduling, building orientation and finally changing U-values in the building material. Results of this study show that the energy saving, by utilizing a heat pump and solar panels, can reduce the total energy use by 34.9% for Gothenburg and 32% for Osaka. The results also show that the difference in total energy use between the two cities reduce substantially (3% difference) when utilizing a heat pump in combination with solar panels.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2019. Vol. 257, article id 012030
Series
IOP Conference Series: Earth and Environmental Science, ISSN 1755-1307, E-ISSN 1755-1315 ; 257
Keywords [en]
Building energy simulation, BES, IDA ICE, multi-family, energy renovation, EEM
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:hig:diva-29391DOI: 10.1088/1755-1315/257/1/012030ISI: 000481634400030Scopus ID: 2-s2.0-85068251611OAI: oai:DiVA.org:hig-29391DiVA, id: diva2:1296848
Conference
2019 9th International Conference on Future Environment and Energy, 9–11 January 2019, Osaka, Japan
Available from: 2019-03-18 Created: 2019-03-18 Last updated: 2019-09-05Bibliographically approved

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Ameen, ArmanCehlin, Mathias

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CiteExportLink to record
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Citation style
  • apa
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Output format
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