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Milić, V. and Ekelöw, K. and Andersson, M. and Moshfegh, B. (2019) Evaluation of energy renovation strategies for 12 historic building types using LCC optimization. Energy and Buildings, 197.

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The life cycle cost (LCC) optimization is a vital method when performing building energy renovation. The present paper provides an evaluation of cost-optimal energy renovation strategies for historic buildings using LCC optimization software OPERA-MILP. The evaluation is performed based on preset targets depending on LCC (LCC optimum) and energy use (decrease by 50%), where the environmental performance is also addressed. Twelve building types, which are typical of the historic building stock in Visby, Sweden, are used as the study object. The results show possible decreases of 12–38% in LCC when targeting LCC optimum. When targeting a 50% decrease in energy use, the LCC is decreased in 21 of 26 cases compared to before energy renovation. Cost-efficient EEMs on the building envelope are characterized by low renovation costs and additional insulation of building components with poor thermal properties. Furthermore, the environmental performance from the energy renovations is highly dependent on the chosen energy system boundary.

Item Type: Article
Uncontrolled Keywords: life cycle cost, LCC, energy renovation, energy use, historic buildings
Subjects: English
English > Management and Case Studies
Spara och bevara - Publications
Depositing User: Susanna Carlsten
Date Deposited: 14 Nov 2019 13:02
Last Modified: 14 Nov 2019 13:02

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