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Old 01-19-15, 08:31 PM   #13
Quest
Apprentice EcoRenovator
 
Join Date: Feb 2011
Location: Canada
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I do have a fresh air inlet duct that leads into the boiler room on the lower storey of the building. My house is over 30ft tall, and the chimney (exhaust ducting) doesn't get warm enough for the exhaust gas to rise up (updraft).

Q.
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