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Energianalys av Sveriges största skola byggd med passivhusteknik
Linnaeus University, Faculty of Technology, Department of Building Technology.
Linnaeus University, Faculty of Technology, Department of Building Technology.
2018 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Energy analysis of Sweden´s largest school built with passive house technique (English)
Abstract [sv]

För att uppnå Sveriges energimål har servicesektorn börjat bygga energieffektiva byggnader. I detta examensarbete har energiberäkningar med hjälp av VIP-Energy utförts för Elmeskolan som är byggd enligt passivhusteknik. Resultatet av energiberäkningen har jämförts med kraven enligt BBR 22 och 25 och passivhusstandarden. Det visade sig att kraven för BBR och passivhusstandarden uppfylldes.

Även en beräkning av energiprestanda för BBR 22 och 25 med avseende på bergvärme och fjärrvärme har tagits fram med hjälp av definitioner enligt Boverkets byggregler. Energiprestandan för bergvärme visade sig vara lägre än för fjärrvärme.

Tre LCC-kalkyler har utförts med hjälp av en Excel-mall. Den beräknade energiprestandan för Elmeskolan samt det maximala kravet för energiprestanda för passivhusstandarden och BBR 22 har legat till grund för kalkylen. Kalkylen resulterade i att Elmeskolans energikostnad var en fjärdedel i jämförelse med kravet för BBR 22. Syftet med denna studie är att resultatet ska påvisa fördelarna med att uppföra byggnader med passivhusteknik samt påvisa energieffektiviteten för ett passivhus.

Abstract [en]

In order to achieve Sweden's energy goals, the service sector needs to build energy-efficient buildings. Therefore, the national board of housing, building and planning proposed building regulations called BBR that consists of requirements and general recommendations for both new and existing building and contains multidimensional aspects including energy management in the building. Passive house building is also another promising solution to approach an energy efficient building. The main aim of this study is to assess the energy performance of a case study building according to the both BBR and passive house building criteria. Correspondingly, Elmeskolan, which has been built based on passive house standards, is chosen as the case study and a model is developed using a building energy-modelling program, VIP-Energy.

The result of the energy calculation has been compared with the requirements of BBR 22 and 25 and the Passive House Standards. The study shows that the requirements for BBR and Passive House Standards were met for the case studied building.

The primary energy demand of the heat supply system in the building is assessed by considering either geothermal or district heating system according to the Boverket’s energy management building regulations. It is concluded that the primary energy demand in case of using geothermal system is lower than district heating system to supply building heating demand.

A simplified LCC analysis has been considered in this study due to the passive house standard and BBR 22 and 25 building regulations. The results show energy cost of the case studied building that is built based on passive house criteria is 25 % of total energy cost of similar building that built based on BBR 22 requirements. The results show the benefits of passive house requirements in comparison with BBR regulations for the case studied building in terms of thermo-economic objectives.

Place, publisher, year, edition, pages
2018. , p. 54
Keywords [en]
Passive house, BBR, VIP-Energy, energy calculations, life cycle cost, low energy building, building regulations
Keywords [sv]
Passivhus, BBR, VIP-Energy, energiberäkningar, livscykelkostnad, lågenergihus, energiprestanda, standardkrav
National Category
Energy Engineering Building Technologies
Identifiers
URN: urn:nbn:se:lnu:diva-76613OAI: oai:DiVA.org:lnu-76613DiVA, id: diva2:1230524
External cooperation
GodaHus
Subject / course
Energiteknik
Educational program
Civil Engineering Programme, Building and Construction, 180 credits
Supervisors
Examiners
Available from: 2018-07-04 Created: 2018-07-03 Last updated: 2018-07-04Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • Other locale
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Output format
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