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Economic viability of energy-efficiency measures in educational buildings in Finland
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Services Engineering.
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2013 (English)In: Advances in Building Energy Research, ISSN 1751-2549, Vol. 7, no 1, 120-127 p.Article in journal (Refereed) Published
Abstract [en]

The economic viability of novel energy-efficient design concepts has been evaluated in Finnish educational buildings. The total energy consumption of representative target buildings with each design concept has been found using the whole-building simulation tool IDA Indoor Climate and Energy 4.0, and the financial viability has been assessed using the discounted payback period method. Different thermal insulation and air tightness properties of the building envelope, and different ventilation's heat recovery efficiency assumptions and heat distribution options have been investigated. The results suggest that a prudent attitude should be taken toward the investments in ultra-low-energy designs. Total energy-saving potential of 25-32% can be obtained. The payback periods varied from 15 to more than 40 years. The results can be generalized in cold climates and techno-economic conditions similar to Finland.

Place, publisher, year, edition, pages
2013. Vol. 7, no 1, 120-127 p.
Keyword [en]
economic analysis, energy efficiency, life-cycle cost, schools, Educational buildings, Energy saving potential, Energy-efficient design, Financial viability, Heat recovery efficiency, Lifecycle costs, Total energy consumption, Energy utilization, Investments, School buildings, Waste heat
National Category
Civil Engineering
URN: urn:nbn:se:kth:diva-134492DOI: 10.1080/17512549.2013.809272ScopusID: 2-s2.0-84882650828OAI: diva2:666969

QC 20131125

Available from: 2013-11-25 Created: 2013-11-25 Last updated: 2013-11-25Bibliographically approved

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Martinac, Ivo
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