Optimal technical and economic strategy for retrofitting residential buildings in Romania

Căruțașiu Mihail-Bogdan (), Ionescu Constantin and Necula Horia
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Căruțașiu Mihail-Bogdan: University Politehnica of Bucharest, Bucharest, Romania
Ionescu Constantin: University Politehnica of Bucharest, Bucharest, Romania
Necula Horia: University Politehnica of Bucharest, Bucharest, Romania

Proceedings of the International Conference on Business Excellence, 2017, vol. 11, issue 1, 146-156

Abstract: The European Legislation is very strict regarding the importance of reducing the energy consumption in buildings sector. The importance of achieving nearly zero energy consumption levels for both new and existing buildings is also highlighted in each Members’ national legislation. Moreover, the high percentage of existing buildings across European Union, indicates that they need to be adequately approached in order to achieve the ambitious energy efficiency goals. This implies creating the optimal technical and financial retrofit strategies regarding minimizing the energy consumption without lowering the interior comfort levels. In Romania, there is no unitary strategy aiming to maximize the energy efficiency in buildings which also takes into consideration the financial part of the process. Moreover, there are no known national guidelines and strategies for buildings retrofit which takes into consideration a wide range of equipment. The Romanian Energy Efficiency Strategy presents few possibilities resulted from integrating renewable energy sources within typical Romanian buildings, while the Buildings Performance Institute Europe conducted a research regarding the potential of nearly Zero Energy Buildings implementation across Romanian territory. Both studies refer only to typical buildings and do not present a large perspective for retrofitting action, while the financial study is not properly presented. Thus, this paper develops a comprehensive financial study which could be used as guideline by stakeholders, in order to find the best technical solution for decreasing the final energy consumption in Romanian residential buildings. Using the RETScreen software and its economical features, there were developed several energy efficiency solutions, and by analyzing the financial benefits implied, the best solution was chosen. By adopting the solutions presented within this feasibility study, the energy consumption of buildings should be significantly reduced.

Keywords: zero energy buildings; retrofitting; feasibility study; energy efficiency; RETScreen (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:poicbe:v:11:y:2017:i:1:p:146-156:n:16

DOI: 10.1515/picbe-2017-0016

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