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Old 06-26-2012, 07:50 PM   #1
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Whole House Fan Issues

Hey everyone,

First time home owner and first time poster here with a question about a whole house fan.

Our fan doesn't seem to be working. We've got a great swamp cooler that cools our main level but we can't seem to suck the cool air up to the bead room level. In addition, it doesn't seem to be sucking in air from outside either.

The fan turns counter clock wise.

Any tips or tricks? Do we open only one window or do we open all of them?

Finally, its loud. It doesn't seem to be the vent but the fan itself. Any tips?



Last edited by Davout; 06-26-2012 at 09:22 PM.
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Old 07-13-2012, 11:27 AM   #2
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In normal operation of a whole-house fan during the night when it's cool outside, ALL of your first-floor windows should be open. Opening the second-story windows as well would be a matter of personal preference. I suppose you could also run your swamp cooler at night, but I'm not convinced it would be very effective.

During the day when it's hot, the whole-house fan should be off you should have one window -- the one furthest from the swamp cooler -- open to provide a path for swamp-cooled air to flow through the home.

I suppose you could leave all the windows closed and run both the swamp and whole-house fan to provide flow-through, but I worry the whole-house fan will be overworked pulling against negative pressure. Especially do not try this if you have any gas appliances that could be backdrafted (there is a serious danger of carbon monoxide poisoning).


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