Airtightness evaluation of Canadian dwellings and influencing factors based on measured data and predictive models.

Indoor Built Environ · 2023 · PMC9936450 · PMID 36820005

Europe PMC DOI

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an increasing trendno p-value reported

16 The study concluded that there was an increasing trend in airtightness: ACH 50 was 13.7 in houses built before 1921 and 3.1 in the new houses built from 1991 to 1997.

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