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Utvärdering av miljönytta för olika miljöcertifieringssystem för byggnader: En jämförande fallstudie på Swecos kontor i Stockholm, Göteborg och Malmö
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2015 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis examines the environmental benefits resulting from the choice of environmental certification scheme, with focus on energy. This was carried out by studying the measures that were implemented as a result of the certification of Sweco's three largest office buildings in Stockholm, Gothenburg and Malmö. The office property in Stockholm has been certified with the Swedish Environmental Building, Gothenburg with the British BREEAM and Malmö with the U.S system LEED.

The results from the study indicate that an environmental certification can reduce the energy consumption by up to 59 percent and the water consumption by 20 to 66 percent. However; the interviews, literature study and simulations in MATLAB indicate that the size and scope of these environmental benefits depend on several identified factors: the type of building and its conditions, system selection, grade level, the choice of indicators, the ambition of those involved and when in time the certification process begins. The comparison between Environmental Building, LEED and BREEAM showed that Environmental Building for the office property in Stockholm gave the largest environmental benefit in terms of reduced energy consumption thanks to several large measures. The simulations in MATLAB indicated that when choosing window glass the following factors need to be taken into consideration; the coefficient of heat transmission, the solar factor g, the windows placement and the building’s balance temperature. The optimal choice of window glass is a glass with a low g-value during the cooling season and with a high g-value during the heating season.

Place, publisher, year, edition, pages
UPTEC STS, ISSN 1650-8319 ; 15006
Keyword [sv]
miljöcertifieringar, LEED, BREEAM, Miljöbyggnad, SWECO, miljönytta
National Category
Environmental Analysis and Construction Information Technology
URN: urn:nbn:se:uu:diva-253887OAI: diva2:816418
External cooperation
Sweco Systems AB
Educational program
Systems in Technology and Society Programme
Available from: 2015-06-04 Created: 2015-06-03 Last updated: 2015-06-09Bibliographically approved

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