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All-TigerNet [10871]
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Installing a bathroom vent fan...
Feb 3, 2019, 5:28 PM
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So I’ve got the fan installed, everything works/looks great. Now I’ve attached a flexible foil pipe to direct the air to the soffit. That’s where I stopped. The previous homeowners had the old fan just blowing into the attic. Can I just leave the pipe, faced down (weighted from an unused adjustable clamp), on the soffit OR do I have to install one of those fancy soffit exhaust outlets with the flaps? The soffit already has those little perforations so it’s basically like a screen...
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Lot o points [180994]
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Re: Installing a bathroom vent fan...
Feb 3, 2019, 5:29 PM
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All-TigerNet [10871]
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I can’t tell if this is because my question
Feb 3, 2019, 5:34 PM
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Or my ingenious solution...
Maybe both???
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Lot o points [163012]
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Seems like venting to the soffit will not change the fact
Feb 3, 2019, 5:33 PM
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that the warm/moist air will just go back in the attic.
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Lot o points [163012]
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Heisman Winner [119698]
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Duct tape to soffit area***
Feb 3, 2019, 5:34 PM
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Lot o points [180994]
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Flex seal.***
Feb 3, 2019, 5:35 PM
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Heisman Winner [119698]
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2 much engineering!***
Feb 3, 2019, 5:36 PM
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All-TigerNet [12098]
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Legend [17285]
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Sell the house — it’s F’ed up now that you have attempted
Feb 3, 2019, 6:13 PM
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Home improvements / repairs beyond your capability.
Seriously - direct to gable vent if nearby. Best to vent directly to a roof vent when repairing or installation new roof.
Soffit venting should be OK but would try to seal somehow to avoid short circuiting.
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All-TigerNet [10871]
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I’ve surpassed the average males capabilities
Feb 3, 2019, 10:33 PM
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when it comes to home improvement. I’m practically the Greek god of home improvement now. Tim Allen would be cast as me if Hollywood made a movie of my life.
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Oculus Spirit [93668]
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If you have a ridge vent it doesn't matter.
Feb 3, 2019, 6:18 PM
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I like venting to exterior but it's not necessary, imo. I'm doubting there will be enough moisture to do harm to anything in an attic space. In the summer the attic will be hot enough to prevent much condensation and in the winter the heat will carry the moisture out through the upper vents. Most people just like to cover the toilet sounds with power vents but they will keep your bathroom dry. I recommend leaving them running until the sweat on the shower is gone. It helps with cleaning and prevents buildup on critters too.
If your dump is strong enough to penetrate sheetrock you probably should take a 5gal bucket and go out back. Take a lid.
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Orange Blooded [4094]
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Re: Installing a bathroom vent fan...
Feb 4, 2019, 11:06 AM
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Every time you change directions on the exhaust duct, you are reducing the drawing ability of the fan significantly.
You can probably find a calculator online, but I wouldn't be surprised if it's down to 50% of rated with 2 90 degree turns.
If the fan still works well enough for you, that is fine.
If not, vent through the roof.
If you don't want to do that now but ever have the roof replaced, have them add a vent over every bathroom.
Since you can access your attic, consider an inline fan near the exhaust point as it will be quieter and is higher powered than the fans that are installed in the ceiling.
Fantech makes nice ones but you can find cheap ones on ebay.
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Hall of Famer [23994]
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Install a damper in the soffit
Feb 4, 2019, 11:18 AM
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leaving the hose in the attic is putting the moisture in the attic so not much better than before. If you leave it hanging in the soffit you can have condensation issues
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CU Medallion [64837]
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I went with option 2
Feb 4, 2019, 12:43 PM
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It's been a few years and no signs of any issues.
1. Cheap
2. Fast
3. Good enough not to cause a problem.
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