New Zealand house indoor microclimate and allergens

Su, Bin; Wu, Lian; McPherson, Peter; Jadresin-Milic, Renata

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Date
2020-11-26
Citation:
Su, B., Wu, L., McPherson, P., & Jadresin-Milic, R. (2020). New Zealand House Indoor Microclimate and Allergens. The 54th International Conference of the Architectural Science Association (ANZAScA), 25-28 November 2020 (pp. 795-804).
Permanent link to Research Bank record:
https://hdl.handle.net/10652/5074
Abstract
The most common indoor allergens and triggers for people with asthma and allergic rhinitis are dust-mites, moulds, pets and pollen. Allergens from dust mites and moulds are strongly associated with indoor microclimate. Indoor microclimate conditions are closely related to house thermal performance and R-value of its envelope. Based on the field studies of indoor microclimatic conditions, tests of allergen levels of dust mites and mould growth of a number of sample houses, this study provides physical evidence to identifies thresholds or ranges of indoor microclimatic conditions related to different levels of dust-mite allergen and mould growth, a correlation between dust-mite allergen levels and mould growth levels, the most common type of indoor mould and the minimum requirement of indoor microclimatic conditions to control indoor dust-mite allergens at an acceptable level and prevent indoor mould problem. The study evaluates indoor microclimatic conditions related to indoor allergens of the sample houses with different R-values in their envelopes in accordant to the requirement of the current building code for New Zealand Climate Zone 1 and 2 (New Zealand Standard 4218: 2009) and the previous building code (New Zealand Standard 4218:1996).
Keywords:
New Zealand, houses, dust mites, indoor allergen, indoor microclimate, mould
ANZSRC Field of Research:
120202 Building Science and Techniques
Copyright Holder:
© 2020, All rights reserved and published by The Architectural Science Association (ANZAScA), Australia

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