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Performance evaluation of a passive house in sub-arctic climate
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0001-9279-2233
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0003-0974-2142
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0003-2402-1845
2018 (English)In: 9th International Cold Climate Conference, Kiruna, Sweden. March 12-15, 2018: Sustainable New and Renovated Buildings in Cold Climate, 2018Conference paper, Published paper (Refereed)
Abstract [en]

As the operational energy use in buildings contributes highly to the total energy used and greenhouse gases emitted in the cold climate regions of Europe, buildings which are more energy-efficient and less carbon-intensive during operation are key to meet sustainability objectives in these regions. Yet, research shows that the practice of passive or low-energy buildings in the sub-arctic climate of northern Sweden is comparatively less than in the southern region. Moreover, previous studies did not explicitly examine the performance of low energy buildings in sub-arctic climate in relation to established building energy efficiency standards. Consequently, knowledge regarding the energy performance of low-energy buildings in such climate is limited. Therefore, the aim is to evaluate the performance, in terms of indoor temperature and energy use for heating, domestic hot water and electricity of a new-built passive house titled “Sjunde Huset” in the sub-arctic town of Kiruna. It is Sweden’s northernmost house designed to fulfil the Swedish passive-house criteria of a maximum heat loss factor of 17 W/m2 and a maximum annual energy use of 63 kWh/m2. The implemented passive design strategies include a highly insulated, compact and airtight building envelope with a vestibule, mechanical ventilation with heat recovery and renewable energy production through photovoltaic solar cells. The house is connected to district heating and is equipped with energy-efficient appliances to allow low occupant energy use. Ongoing performance evaluation is based on building simulation and measurements of energy and temperature in different zones of the building. Energy performance deviations between occupied and non-occupied zones are explored through internal heat gain evaluations. The indoor temperature is also evaluated to assess the temperature variations throughout the year. The ongoing research further evaluate a comparative simulated and measured energy analysis of heating, hot water and electricity based on both the international passive house standard and the Swedish passive house criteria “Feby 12”.

Place, publisher, year, edition, pages
2018.
Keywords [en]
Passive house, sub-arctic climate, performance evaluation, energy efficiency, indoor temperature
National Category
Building Technologies
Research subject
Construction Management and Building Technology
Identifiers
URN: urn:nbn:se:ltu:diva-70222OAI: oai:DiVA.org:ltu-70222DiVA, id: diva2:1236911
Conference
9th International Cold Climate Conference, Kiruna, Sweden. March 12-15, 2018
Available from: 2018-08-06 Created: 2018-08-06 Last updated: 2018-08-13Bibliographically approved

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Bhattacharjee, ShimantikaLidelöw, SofiaSchade, Jutta

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CiteExportLink to record
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