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 Energy efficiency of social housing existing buildings – a portuguese case study
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6282

title: Energy efficiency of social housing existing buildings – a portuguese case study
authors: Rodrigues, Maria Fernanda
Vicente, Romeu da Silva
Cardoso, José Claudino
keywords: Energy efficiency
social housing
sustainable construction
issue date: 2011
publisher: Gazi University
abstract: The European energy performance building regulations, Directive 2002/91/EC - Energy Performance of Buildings Directive (EPBD) of the European Parliament and Council, require that new buildings present minimum standards of energy efficiency. Accordingly the Portuguese regulations require that new buildings comply with minimum requirements on the energy performance and must have an energy performance certification through witch an energy efficiency label is attributed to the housing. It also require that existing buildings must have an efficiency energy label when submitted to a commercial transaction or to a deep rehabilitation. To achieve this goal the study of energy performance of existing buildings must be done. As many essentials elements to determine the U-factor and other thermal parameters are unknown, Portugal developed a simplified methodology to achieve the thermal performance of existing buildings. The aim of this paper is to present the study of the energy performance of a set of social dwellings that were constructed during the decade of 80, constructed before the former building thermal comfort specifications came into force. During the study the referred methodology was applied and conclusions of the energy efficiency label obtained were put out as the encountered difficulties. The study also compares the results obtained by the simplified methodology and by the detailed methodology that is required by Portuguese building thermal comfort specifications.
URI: http://hdl.handle.net/10773/6282
ISSN: 1303-9709
publisher version/DOI: http://www.fbe.gazi.edu.tr/dergi/ojs/index.php/GUJS/issue/view/57
source: Gazi University Journal of Science
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