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Old 07-25-2005, 10:53 AM   #1
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Fans for Ridgevents ?


I have a ridge vent. The south side of the house has a 26' run of soffits. The North side had about a 12' run of soffits (I'm guessing) and a cathedral peak that is perpendicular to the main ridgevent. The Cathedral peak also has a ridgevent with a few feet of soffits.

Do they make fans that "help" along the air coming in from the soffits ? Is this something I should look into or is the natural flow of air coming in through the soffits and out through the ridgevent sufficient ? :confused:
I see a lot of gable type fans and whole house fans, but nothing for ridgevents. This triggered some thinking that there maybe a more efficient way of passing air through my attic.

TIA,
Scott

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Old 07-25-2005, 07:38 PM   #2
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Fans for Ridgevents ?


Are you haveing any condensation problems? In my limited experience ridgevents are about the best way to ventilate an attack, sure it's hot up there but if you aren't having moisture problems it probably isn't worth the expense.

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Old 07-25-2005, 08:35 PM   #3
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Fans for Ridgevents ?


Thanks for the response Humble Abode.

As far as I know, I'm not having condensation problems. How would I know ? I don't see any signs of moisture. :confused:

I was poking around the net looking at those cool panasonic bathroom fans, and kept stumbling into ventilation fans for the attic. So it just got me thinking that there are better ways to circulate air.
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Old 07-25-2005, 09:45 PM   #4
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Fans for Ridgevents ?


Scott,

Soffit and ridge vents are the optimum ventilation system for a roof. Gable vent fans are for roofs that have the no roof vents (other then along the eaves) or for roofs that have the old style roof cans (metal vents that run in every other bay of the roof.)

With your set up you shouldn't have any condensation problems. If you do, you will see condensation on the under side of the roof sheathing in the attic or stains on the ceiling or walls where they meet the ceiling.

If you see condensation, then that means that either your soffit vents are clogged up or the ridge vent is clogged up and need to be cleaned out.

If you see no signs of condensation, you have nothing to worry about and your roof is venting just fine.

Again, soffit vents in conjunction with a ridge vent is the best and most effective system for venting a roof.
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Old 07-26-2005, 09:12 AM   #5
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Fans for Ridgevents ?


CarpenterDon, Thanks for the response
I don't see anything on the roof sheathing. It looks fine.
I was told that soffit vents and ridgevents are the best systems for venting these days by my contractor. Nice to know that it wasn't just for a sale.
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