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https://hdl.handle.net/10316/27159
Title: | Life-cycle energy and greenhouse gas analysis of three building types in a residential area in Lisbon | Authors: | Bastos, Joana Batterman, Stuart A. Freire, Fausto |
Keywords: | Life-cycle assessment (LCA); Residential buildings; Primary energy; Greenhouse gas (GHG) | Issue Date: | Feb-2014 | Publisher: | Elsevier | Citation: | BASTOS, Joana; BATTERMAN, Stuart A.; FREIRE, Fausto - Life-cycle energy and greenhouse gas analysis of three building types in a residential area in Lisbon. "Energy and Buildings". ISSN 0378-7788. Vol. 69 (2014) p. 344-353 | Serial title, monograph or event: | Energy and Buildings | Volume: | 69 | Abstract: | Residential buildings consume a large fraction of energy and thus represent a major opportunity for reducing energy requirements and greenhouse gas (GHG) emissions. This article presents a life-cycle energy and GHG analysis of three representative residential building types in a well-known area in Lisbon (Bairro de Alvalade). The life-cycle model focused on building construction, retrofit and use phases, applied an econometric model to estimate energy use in Portuguese households, and considered two functional units: per square meter per year and per person per year. Over the buildings’ 75-year lifespan, the use phase accounted for most (69–83%) of the primary energy requirements and GHG emissions. Larger buildings have lower life-cycle energy requirements and GHG emissions on a square meter basis. On a per person basis, however, this pattern is reversed and larger buildings are associated with higher energy requirements and GHG emissions. Due to the considerable variability and uncertainty associated with life-cycle analyses of buildings, the use of both occupancy- and area-based functional units is recommended. | URI: | https://hdl.handle.net/10316/27159 | ISSN: | 0378-7788 | DOI: | 10.1016/j.enbuild.2013.11.010 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
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