Life cycle energy assessment of a typical office building in Thailand
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Publication Details
Author list: Kofoworola O.F., Gheewala S.H.
Publisher: Elsevier
Publication year: 2009
Journal: Energy and Buildings (0378-7788)
Volume number: 41
Issue number: 10
Start page: 1076
End page: 1083
Number of pages: 8
ISSN: 0378-7788
eISSN: 1872-6178
Languages: English-Great Britain (EN-GB)
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Abstract
A typical office building in Thailand was analyzed using the life cycle energy analysis (LCEA) method to illustrate the argument. Results indicate that although life cycle energy (LCE) distribution is concentrated at the operating phase, the embodied energy of buildings is a non-negligible fraction of the LCE balance. Energy (electricity) used for lighting and HVAC systems in the operation phase and; the manufacture of concrete and steel were the most significant elements in the buildings life cycle. Application of a combination of energy saving measures, showed that 40-50% of energy (electricity) used in a typical office building in Thailand can be saved. Preliminary analysis indicated that recycling building materials can also contribute additional energy savings (about 8.9%) to a buildings LCE profile. Therefore reducing energy consumption should be a priority for not only the operation but also other life cycle phases. It is suggested that both embodied and operating energy should be accounted for within the context of energy efficiency through the incorporation of LCEA into the existing Thai building energy code. ฉ 2009 Elsevier B.V. All rights reserved.
Keywords
Operating energy