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    Rights statement: This is the author’s version of a work that was accepted for publication in Energy and Buildings. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Energy and Buildings, 216, 2020 DOI: 10.1016/j.enbuild.2020.109936

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    Embargo ends: 11/03/21

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The colours of comfort: From thermal sensation to person-centric thermal zones for adaptive building strategies

Research output: Contribution to journalJournal article

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  • Stephanie Gauthier
  • Leonidas Bourikas
  • Farah Al‐Atrash
  • Chihye Bae
  • Chungyoon Chun
  • Richard de Dear
  • Runa T. Hellwig
  • Jungsoo Kim
  • Suhyun Kwon
  • Rodrigo Mora
  • Himani Pandya
  • Rajan Rawal
  • Federico Tartarini
  • Rohit Upadhyay
  • Andreas Wagner
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Article number109936
<mark>Journal publication date</mark>1/06/2020
<mark>Journal</mark>Energy and Buildings
Volume216
Publication statusPublished
Early online date11/03/20
Original languageEnglish

Abstract

Thermal comfort research has been traditionally based on cross-sectional studies and spatial aggregation of individual surveys at building level. This research design is susceptible to compositional effects and may lead to error in identifying predictors to thermal comfort indices, in particular in relation to adaptive mechanisms. A relationship between comfort and different predictors can be true at an individual level but not evident at the building level. In addition, cross-sectional studies overlook temporal changes in individual thermal perception due to contextual factors. To address these limitations, this study applied a longitudinal research design over 8 to 21 months in eight buildings located in six countries around the world. The dataset comprises of 5,567 individual thermal comfort surveys from 258 participants. The analysis aggregated survey responses at participant level and clustered participants according to their thermal sensation votes (TSV). Four TSV clusters were introduced, representing four different thermal sensation traits. Further analysis reviewed the probability of cluster membership in relation to demographic characteristics and behavioural adaptation. Finally, the analysis at individual level enabled the introduction of a new metric, the thermal zone (Zt), which in this study ranges from 21.5°C to 26.6°C. The thermal sensation traits and person-centric thermal zone (Zt) are a first step into the development of new metrics incorporating individual perceived comfort into dynamic building controls for adaptive buildings.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Energy and Buildings. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Energy and Buildings, 216, 2020 DOI: 10.1016/j.enbuild.2020.109936