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TitleLife-cycle costs and impacts on energy-related building renovation assessments
Author(s)Almeida, Manuela Guedes de
Mateus, Ricardo
Ferreira, Marco António Pedrosa Santos
Rodrigues, Ana
KeywordsLife cycle impact assessment
Building renovation
Energy efficiency
Carbon emissions
Embodied energy
Life cycle impact assessment, LCIA, LCA
Issue date2016
PublisherTaylor & Francis
JournalInternational Journal of Sustainable Building Technology and Urban Development
CitationAlmeida M. G., Mateus R., Ferreira M., Rodrigues A. Life-cycle costs and life-cycle impacts on energy-related building renovation assessment, International Journal of Sustainable Building Technology & Urban Development, 2093-761X (Print); 2093-7628 (online), 2016.
Abstract(s)Many regulations and initiatives to promote the reduction of the energy consumption and carbon emissions have been implemented in the building sector. However, they are mostly targeted for new buildings. In order to reach the goals that are being established, it is necessary to act in new but especially in the existing buildings, which correspond to the majority of the European building stock. Building renovation improves the buildings? energy performance, reducing the carbon emissions related to the operation of the building but involves adding new materials and technical systems. The production process of these new materials uses energy (embodied energy) and releases carbon emissions. In this sense, to evaluate the relevance of the embodied energy in building renovation, IEA EBC project Annex 56, developed a methodological framework to evaluate the cost-effectiveness of building renovation solutions which include a life-cycle impact assessment. Thus, using a particular case study, different renovation solutions are compared with and without considering the embodied energy. The results have shown that the embodied energy do not have a major impact on the evaluation of the cost-effectiveness of the renovation solutions, but as the renovation energy target gets closer to zero non-renewable energy level, its relevance increases.
Description"Published online: 15 Jun 2017"
Publisher version
AccessOpen access
Appears in Collections:C-TAC - Artigos em Revistas Internacionais

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