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Methods for estimating air change rates and sizing mechanical ventilation systems for houses

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
Subjectmechanical ventilation; air infiltration; total air change rate; mechanical ventilation; heating requirements estimation programs; calculation method; forced ventilation rate; Ventilation; Air flow/Wind pressure; ventilation mécanique; infiltration de l'air
Abstract
This paper presents a simple method for estimating the total air change rate of a house with or without mechanical ventilation. The proposed method can be used to assess the effect of a mechanical ventilation system on total air change rates. It can also be included in existing simple computer programs for estimating heating requirements for houses. A calculation procedure is also presented for sizing mechanical ventilation systems for houses. This procedure can be used to estimate the forced ventilation rate required to achieve the desired total air change rate.
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  • ASHRAE Transactions 93, no. 2 (1987): 2284–2302.
LanguageEnglish
Peer reviewedYes
IdentifierIRC-P-1597
NRC numberNRCC 30422
NRC-IRC-1889
NPARC number20378191
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Record identifier2795ed23-2ae6-4839-90af-f514b660d53f
Record created2012-07-24
Record modified2020-06-06
Date modified: