Thermal performance of school buildings: Impacts beyond thermal comfort

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Authors

Su, Bin
Jadrešin Milić, Renata
McPherson, Peter
Wu, Lian

Author ORCID Profiles (clickable)

Degree

Grantor

Date

2022-05-10

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Type

Journal Article

Ngā Upoko Tukutuku (Māori subject headings)

Keyword

New Zealand
school building design
building envelope
thermal performance
occupant health
insulation
indoor health
indoor thermal comfort

ANZSRC Field of Research Code (2020)

Citation

Su, B., Jadrešin Milić, R., McPherson, P., & Wu, L. (2022). Thermal Performance of School Buildings: Impacts beyond Thermal Comfort. International Journal of Environment Research and Public Health, 19, 5811. doi:https://doi.org/10.3390/ ijerph19105811

Abstract

Based on field study data regarding the winter indoor thermal environment of three classrooms with different building envelopes, this study compared and evaluated these environments, not only related to students’ thermal comfort but also to their health. The inadequacy of the conventional New Zealand school building for maintaining a comfortable and healthy winter indoor thermal environment has been identified. A classroom with thermal mass had 31%, 34% and 9% more time than a classroom without thermal mass when indoor temperatures met 16 C 18 C and 20 C respectively and has 21.4% more time than the classroom without thermal mass when indoor relative humidity was in the optimal range of 40% to 60%, in a temperate climate with a mild and humid winter. Adding thermal mass to school building envelopes should be considered as a strategy to improve the winter indoor thermal environment in future school design and development. Adding thermal mass to a school building with sufficient insulation can not only increase winter indoor mean air temperature but can also reduce the fluctuation of indoor air temperatures. This can significantly reduce the incidence of very low indoor temperature and very high indoor relative humidity, and significantly improve the indoor thermal environment

Publisher

MDPI (Multidisciplinary Digital Publishing Institute)

Link to ePress publication

DOI

doi:https://doi.org/10.3390/ ijerph19105811

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© 2022 by the authors

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Attribution 4.0 International