Mapping failures in energy and environmental performance of buildings

E.H. Borgstein, R. Lamberts, J.L.M. Hensen

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Abstract

Buildings regularly fail to perform at optimum levels and often do not meet design predictions. These failures impact energy efficiency, provision of adequate indoor environmental quality (IEQ) and occupant satisfaction. Detailed energy audits of 33 office buildings in Brazil are used to map and categorise the performance issues which lead to energy inefficiency and inadequate IEQ. Four buildings use occupant satisfaction questionnaires to complement the audit and evaluate the impact of failures on users. A total of 333 failures are identified and categorised in 51 separate modes. The causes of failures are identified as errors in building design and construction (D&C) or operations and maintenance (O&M). Some issues require retrofit procedures, but most can be corrected by adapting O&M procedures. Small- and medium-sized offices generally repeat the same failure modes; automated procedures or checklists and training could optimise performance in these buildings. Large offices are likely to require commissioning expertise in newer buildings, while older buildings require automation systems or full retrofits. The effects of O&M and building management are seen to have greater impacts on performance and occupant satisfaction than factors such as design, year of construction or building HVAC system.
Original languageEnglish
Pages (from-to)476-485
Number of pages10
JournalEnergy and Buildings
Volume158
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018

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Office buildings
Failure modes
Energy efficiency
Automation
HVAC

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Borgstein, E.H. ; Lamberts, R. ; Hensen, J.L.M. / Mapping failures in energy and environmental performance of buildings. In: Energy and Buildings. 2018 ; Vol. 158, No. 1. pp. 476-485.
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Mapping failures in energy and environmental performance of buildings. / Borgstein, E.H.; Lamberts, R.; Hensen, J.L.M.

In: Energy and Buildings, Vol. 158, No. 1, 01.01.2018, p. 476-485.

Research output: Contribution to journalArticleAcademicpeer-review

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