Volume 16, Issue 2 (March 1988)

    Chimney Venting Performance Study

    (Received 14 October 1986; accepted 13 June 1987)


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    An investigation was undertaken to determine the levels of house depressurization against which naturally vented gas-fired furnaces and domestic water heaters can establish and maintain safe venting of combustion products. Also investigated were the maximum depressurizations of buildings which could be achieved by the installed fans and fireplaces. A test procedure was developed whereby venting failure can be artificially induced by depressurizing the house with a large fan. Results show that it is highly improbable that the maximum depressurizations found in houses by operating all the fans and the fireplaces at the same time will cause the chimney to vent improperly even in conditions under which venting failure would be most likely to occur (cool temperatures, low wind, cold chimney, large number of exhaust fans, weak venting furnace/chimney combination, relatively tight house).

    Author Information:

    Timusk, J
    Professor of Civil Engineering and Chairman, University of Toronto, Toronto, Ontario

    Seskus, AL
    Research Officer, Centre for Building Science, University of Toronto, Toronto, Ontario

    Selby, KA
    Associate Professor of Civil Engineering and Associate Chairman, University of Toronto, Toronto, Ontario

    Rinella, J
    Research Engineer, Consumers' Gas, Toronto, Ontario

    Stock #: JTE11159J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11159J

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    Title Chimney Venting Performance Study
    Symposium , 0000-00-00
    Committee E05