Effect of a Gas Furnace Chimney on the Air Leakage Characteristics of a Two-Storey Detached House

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TypeArticle
Journal titleBuilding Research Note
ISSN0701-5232
Volume192
Pages15
Subjectair leakages; air infiltration; chimneys; air tightness; gas furnaces; electric furnaces; Air and vapour barriers; Air flow/Wind pressure; penetration de l'air; infiltration d'air; cheminee; etancheite a l'air; chaudiere a gaz; chaudiere electrique
AbstractThis note describes the findings of a study undertaken to assess the effects of a chimney on the air leakage characteristic of a two-storey detached house heated by either a gas-fired or an electric furnace. The main objectives were to determine: 1) the influence of a gas furnace chimney on airtightness and infiltration, 2) the influence of various operating modes of a gas furnace on infiltration, and 3) the combined influence of weather and a gas chimney on air infiltration. Airtightness and infiltration measurements were taken with the chimney capped and uncapped and with one or the other furnace in operation. The overall infiltration rate with the gas furnace was greater than with the electric; the difference was smaller than the air flow rate through the chimney. Within certain wind and temperature conditions, stack action was the dominant driving force.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierBRN-192
NRC number2306
NPARC number20374791
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Record identifier9532db12-5b9b-443c-83bb-d6680f1f1223
Record created2012-07-23
Record modified2016-05-09
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