Development of a Weight Factor Method for Sustainability Decisions in Building Renovation. Case Study Using Renobuild

Alaa Khadra, Mårten Hugosson, Jan Akander and Jonn Are Myhren
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Alaa Khadra: Building Technology, Dalarna University, 791 88 Falun, Sweden
Mårten Hugosson: Organisation, Leadership and Management, Innland Norway University of Applied Sciences, 2418 Elverum, Norway
Jan Akander: Department of Building, Energy and Environmental Engineering, Gävle University, 801 76 Gävle, Sweden
Jonn Are Myhren: Building Technology, Dalarna University, 791 88 Falun, Sweden

Sustainability, 2020, vol. 12, issue 17, 1-15

Abstract: Energy efficiency investments have become strategically important for the European Union. In particular, energy efficient renovation and investment in the existing building stock have become major challenges. Renovation of a building should involve a holistic and integrated design process, which considers all aspects of sustainability. The aim of this work is to suggest a mathematical model that weighs economic, social and ecological aspects into a measure that supports housing owners/decision makers to find the optimal renovation alternative from their perspective, taking factors such as budget, energy consumption, etc. into consideration. Multi-criteria decision-making (MCDM) concerns structuring and solving multiple-criteria decision problems. MCDM has become popular in energy planning as it enables the decision maker to pay attention to all the criteria available and make the appropriate decision as per the priority of the criteria. In this study, the concept is introduced based on economic, social and ecological aspects assessed during a renovation project. A pedagogical example illustrates the suggested numerical system for comparing different renovation alternatives. The suggested method will facilitate decision-making processes in renovation projects and will allow decision makers to choose the best renovation alternatives that are in line with their business ideas and principles.

Keywords: building renovation; sustainability; multi-criteria decision-making; weighted sum method (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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