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North West IA/western AZ | I just checked mine and there is no draft coming down the vents. Do you have heat vents in the same room as the fans? Does your furnace have a return air duct system or does it all move back thru the open spaces to get to the inlet at the furnace? It really sounds like you must have a heat duct exhausting into an outside space and that would cause negative air pressure in the house which makes air enter at any opening you have. If you heat a room outside the double wide, you would need to have an opening to return the air. | |
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Fresh air coming down bathroom exhaust fans.
