Replies

1. 
   rasher | Jul 11, 2008 12:38am | #1

   Oh yeah, the roof is a low-slope roof, and I don't want to mess with any more penetrations in it...

2. 
   Scott | Jul 11, 2008 01:53am | #2

   Sounds to me like you might have answered your own question.... If the attic is too tight to work in then the wall vent might be the way to go. Will it be hard to flash/trim/finish through the siding?

   Scott.

   Always remember those first immortal words that Adam said to Eve, “You’d better stand back, I don’t know how big this thing’s going to get.”

3. 
   Pelipeth | Jul 11, 2008 02:54am | #3

   Venting into the eaves here in NY is against code. Just installed a Panasonic thru the wall and could not be happier, simple and AMAZEINGLY quiet.

1. 
   KaiserRoo | Jul 14, 2008 05:59pm | #19

   I'm interested in replacing my bath fan, what info do you have about not only the fan unit but the way you would vent from the ceiling to the outside wall. Is the unit you are talking about mounted to the wall itself?

   KaiserRoo

1. 
   rasher | Jul 14, 2008 06:54pm | #20

   I'm planning on installing a ceiling mounted Panasonic fan with a 4" duct up in the attic running to a 4" wall vent in a gable end wall. Probably put it on a timer switch where you push the button and it runs for 30-45 minutes.

1. 
   KaiserRoo | Jul 14, 2008 08:10pm | #23

   An article in FH by Mike Guetin (sp) about bath fans recommends a timer as they can be so quiet that you may forget they are on.

   KaiserRoo

2. 
   Pelipeth | Jul 14, 2008 07:18pm | #21

   Yes it's a thru the wall unit, 8" diameter duct work, supplied with the fan good for 2x4 or 2x6 const. Nice engineering and super quiet.

1. 
   KaiserRoo | Jul 14, 2008 08:08pm | #22

   Do you have a model number so that I may check it out?

   KaiserRoo

1. 
   Pelipeth | Jul 14, 2008 09:34pm | #24

   Sorry, not at the moment, go to their website, or call a distributer, if memory serves me right they only have the 1 thru the wall unit.

4. 
   RedfordHenry | Jul 11, 2008 04:28am | #4

   Theory suggests moisture exiting eave vents can get pulled right up into the roof system via the soffit vents.  Wall vent is preferable.

1. 
   wane | Jul 11, 2008 04:08pm | #5

   order of preference ROOF, ROOF, ROOF, then maybe wall, never soffit ..

1. 
   rasher | Jul 11, 2008 06:59pm | #6

   Wall vent it is, then...

2. 
   mike_maines | Jul 11, 2008 07:11pm | #7

   That's interesting; here our order of preference is wall, wall, wall, then roof, never soffit.  Roof vents cause various water and ice problems that wall vents eliminate.

1. 
   wane | Jul 11, 2008 07:42pm | #9

   wall is marginally better than soffit for backfeeding moisture into the attic, a properly installed/flashed roof vent no problems, even with the 10 feet of snow we had this year.

1. 
   rasher | Jul 11, 2008 08:23pm | #10

   I understand moisture being sucked back up the soffit vents when using an eave vent, but at the location I'm thinking of, there aren't any soffit vents... Still an issue?

2. 
   wane | Jul 11, 2008 08:26pm | #11

   on rare occassions, just frosting on the wall above the vent ...

3. 
   mike_maines | Jul 11, 2008 10:13pm | #12

   With 10' of snow how does your vent, vent?

4. 
   wane | Jul 14, 2008 02:54pm | #17

   heat radiating from the cieling rises in the attic and keeps a path clear, even with 10' of snow!

3. 
   Scott | Jul 11, 2008 07:41pm | #8

   >>>order of preference ROOF, ROOF, ROOF, then maybe wall, never soffit ..Really? Why? We've got wall and soffit bathroom vents with no negative consequences. Avoiding roof projections always seems like a good thing to me.Scott.Always remember those first immortal words that Adam said to Eve, “You’d better stand back, I don’t know how big this thing’s going to get.”

4. 
   Matt | Jul 12, 2008 01:52am | #15

   My preference is gable end wall then roof.  I always say, why put a hole in a perfectly good roof???

1. 
   wane | Jul 14, 2008 02:53pm | #16

   gable ends usually result in a high curent between the gables and don't pull from the area just above the cieling ...

1. 
   Matt | Jul 14, 2008 03:07pm | #18

   Are we talking about bath fans or something else?

2. 
   rjw | Jul 12, 2008 12:22am | #13

   >>Theory suggests moisture exiting eave vents can get pulled right up into the roof system via the soffit vents. Morre than theory - I've seen it. Not common, but it happens.

   Remember Mary Dyer, a Christian Martyr (Thank you, Puritans) http://en.wikipedia.org/wiki/Mary_DyerMay your whole life become a response to the truth that you've always been loved, you are loved and you always will be loved" Rob Bell, Nooma, "Bullhorn"

5. 
   rjw | Jul 12, 2008 12:24am | #14

   In NW Ohio we just nail the plastic vent off below a thru roof vent.

   Works fine, I've seen it thousands of times, never seen any sign of condenstation of mildew/mold

   ---

   Remember Mary Dyer, a Christian Martyr (Thank you, Puritans)
   http://en.wikipedia.org/wiki/Mary_Dyer

   ---

   May your whole life become a response to the truth that you've always been loved, you are loved and you always will be loved" Rob Bell, Nooma, "Bullhorn"