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Bob4
Account deleted

join:2012-07-22
New Jersey
reply to SuperNet9

Re: Bathroom fan, venting question..

Every place I've lived that had a bathroom fan, vented into the attic. It's not a big deal. Just don't run it in the winter.


rjackal
Premium
join:2002-07-09
Plymouth, MI

1 edit
reply to SuperNet9
1) Turn on fan.
2) Go on roof to see if any forced air is coming out of those pipes, or nearby soffit vents.
3) If not, then it's not even venting into the attic since it appears to be totally covered with cellulose insulation.

That is an old fan. You might want to budget the time/money required to properly install a newer, quieter, more efficient one anyway.

-edited to add possibility of soffit vent-

nibyak

join:2003-01-28
Strasburg, VA
reply to SuperNet9
I have seen bathroom fans that were vented out to the soffit. If that’s the case, the duct could be under the insulation.


cdru
Go Colts
Premium,MVM
join:2003-05-14
Fort Wayne, IN
kudos:7
reply to Bob4
said by Bob4:

Every place I've lived that had a bathroom fan, vented into the attic. It's not a big deal. Just don't run it in the winter.

My 33 year old house was originally this way. Both upstairs bathrooms just had vertical pipes that went a few few feet into the air in the attic. No mold anywhere in the attic and that was with using it year round.

When I redid the siding two years ago, I added a vent out the side of the house. Didn't bother to attach it at the time as it wasn't moldy after 33 years, a little while longer wasn't going to hurt. When I remodeled a bath and replaced the fan, I finally bothered to venture up into the attic to hook everything up.


UHF
All static, all day, Forever
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join:2002-05-24
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said by cdru:

My 33 year old house was originally this way. Both upstairs bathrooms just had vertical pipes that went a few few feet into the air in the attic.

Mine was that way from 1962 until a few years ago. No mold. I did have a problem with ice dams after heavy snowfalls, which was the reason I finally vented it outside. The outside vent ends up buried in snow so the end result isn't a whole lot better unless I use a roof rake to clear the snow around the vent.


cdru
Go Colts
Premium,MVM
join:2003-05-14
Fort Wayne, IN
kudos:7
said by UHF:

The outside vent ends up buried in snow so the end result isn't a whole lot better unless I use a roof rake to clear the snow around the vent.

That's one of the reasons why I didn't take it straight up through the roof (aside from not wanting another roof penetration. I went horizontal to a gable end and had a dryer vent through the siding. If snow is up to the vent 20' in the air, we have bigger problems to deal with than venting the bathroom.


UHF
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join:2002-05-24
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said by cdru:

said by UHF:

The outside vent ends up buried in snow so the end result isn't a whole lot better unless I use a roof rake to clear the snow around the vent.

That's one of the reasons why I didn't take it straight up through the roof (aside from not wanting another roof penetration. I went horizontal to a gable end and had a dryer vent through the siding. If snow is up to the vent 20' in the air, we have bigger problems to deal with than venting the bathroom.

My house doesn't have any gables, it's a hip roof. For some reason they are extremely popular here, it's rare to see a gable roof.


alkizmo

join:2007-06-25
Pierrefonds, QC
kudos:1
reply to UHF
said by UHF:

The outside vent ends up buried in snow so the end result isn't a whole lot better unless I use a roof rake to clear the snow around the vent.

That sounds bad.

My roof has a pair of these

They never get covered in snow.
As for the louvers, well, they are vertical, so no snow.
And then there are the soffits.

However, my bathroom has no vent, we just open the little window and that's good enough in the summer.

In the winter, we open the door after a shower (or during the shower if we have privacy). The air in winter is already pretty dry, so we benefit from the added humidity after a shower.


ArgMeMatey

join:2001-08-09
Milwaukee, WI
kudos:2
Reviews:
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reply to Bob4
said by Bob4:

Just don't run it in the winter.

Is this the DSLR version of "My sh** don't stink" or what?

I harp on people 365 days a year, to TURN ON THE FAN if they're doing #2 or aerosolizing decomposition byproducts with a methane propellant. Of course the shower steam is not much of a concern in the winter.

And how do you control whether people can turn it on? Just put a piece of electrical tape over the switch?

To each his own, but if this were my house, I'd have been up there during the contingency period looking for that duct. I've gotten closing credits for similar omissions.

$0.02

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