Indoor environmental quality and occupants' satisfaction in highrise mixed-use buildings: Preliminary results from a case study

Date

2023

Authors

Croffi, J.
Soebarto, V.
Kroll, D.
Barrie, H.

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Conference paper

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Proceedings of the 56th International Conference of Architectural Science Association (ANZAScA 2023), 2023, pp.390-405

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Juliana Croffi, Veronica Soebarto, David Kroll and Helen Barrie

Conference Name

56th International Conference of the Architectural Science Association (ANZAScA) (29 Nov 2023 - 2 Dec 2023 : Launceston, Tasmania)

Abstract

Indoor environmental quality (IEQ) can impact occupant’s health, productivity, and wellbeing, as evidenced in various building performance studies with an occupant-centric approach. Quantifying the impact of each of the IEQ parameters – thermal comfort, visual comfort, acoustic comfort and air quality – on occupants’ satisfaction with the indoor environment (IE) is a key step to move towards a human-centric building performance evaluation, and consequently, to improve building design and their performance in fostering IE satisfaction, enhancing occupants’ wellbeing. This study conducted a post-occupancy evaluation (POE) at U City, a high-rise mixed-use building in Adelaide, South Australia. The POE investigated the correlation between IEQ and occupants’ satisfaction with the indoor environment, collecting data from apartment residents and office workers. The data collection included surveys, monitoring of indoor environmental parameters with data loggers, observations of public space use in the building and focus groups. This paper presents the preliminary results on how each of the IEQ parameters affected the overall satisfaction with the IE as part of a broader framework to evaluate building performance in fostering wellbeing. The preliminary statistical analysis showed significant correlations between IEQ parameters and IE satisfaction for both residents and workers. Indoor temperatures, noise issues or sound quality and air quality were found to be the most significant factors that affected IE satisfaction. The outcome of this investigation will inform the elaboration of a metric that will be embedded in a building design evaluation tool based on computational 3D model analysis.

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© 2023 and published by The Architectural Science Association (ANZAScA)

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