An evaluation model for indoor environmental quality (IEQ) acceptance in residential buildings

A. C.K. Lai, Kwok Wai Mui, Ling Tim Wong, L. Y. Law

Research output: Journal article publicationJournal articleAcademic researchpeer-review

191 Citations (Scopus)


The indoor environmental quality (IEQ) in residential buildings is examined from the prospect of an occupant's acceptance in four aspects: thermal comfort, indoor air quality, noise level and illumination level. Based on the evaluations by 125 occupants living in 32 typical residential apartments in Hong Kong, this study proposes empirical expressions to approximate the overall IEQ acceptance with respect to four contributors, namely operative temperature, carbon dioxide concentration, equivalent noise level and illumination level, via a multivariate logistic regression model. A range of IEQ acceptances for regular residential conditions is determined and the dependence of the predicted overall IEQ acceptance on the variations of the contributors is discussed. The proposed overall IEQ acceptance can be used as a quantitative assessment criterion for similar residential environments where an occupant's evaluation is expected.
Original languageEnglish
Pages (from-to)930-936
Number of pages7
JournalEnergy and Buildings
Issue number9
Publication statusPublished - 1 Sep 2009


  • Aural comfort
  • Indoor air quality
  • Residential buildings
  • Thermal comfort
  • Visual comfort

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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