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#1
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bathroom exhaust fans
I would like to put exhaust fans in 2 bathrooms. should these fans
exhaust out the roof or can they just exhaut into the attic? thanks john |
#2
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bathroom exhaust fans
"coltrane" wrote in message
oups.com... I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? thanks john Roof only, and preferably through vents made specifically to accept the type of duct normally used for such fans. The previous owners of my house did sort of a hack job, using coat hanger wire to attach the duct to a normal roof vent. Somehow, this hasn't caused problems, but when I re-roof soon, it'll be fixed anyway. |
#3
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bathroom exhaust fans
coltrane wrote:
I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? They should vent to the outside else you could have moisture problems in the attic. I say "outside" instead of roof because it is also possible to vent to a soffit or wall. |
#4
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bathroom exhaust fans
On 2 Apr 2007 05:09:34 -0700, "coltrane"
wrote: I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? john You don't want the moisture venting into your attic. You can vent to the roof, or even the soffit. Either one will do the job. Mark |
#5
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bathroom exhaust fans
On Apr 2, 8:09 am, "coltrane" wrote:
I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? thanks john thanks to all. now I have to get the guts to open my roof cheers |
#6
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bathroom exhaust fans
On Apr 2, 1:36 pm, "coltrane" wrote:
On Apr 2, 8:09 am, "coltrane" wrote: I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? thanks john thanks to all. now I have to get the guts to open my roof cheers If you don't have the guts like me, you can run the ductwork close to a vent in the roof. I have an attic fan, and I ran my exhaust duct close to the vent. I know this is not the correct way to do it, but I did not want to risk any leaks by opening up my roof. |
#7
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bathroom exhaust fans
On Apr 2, 10:36 am, "coltrane" wrote:
On Apr 2, 8:09 am, "coltrane" wrote: I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? thanks john thanks to all. now I have to get the guts to open my roof cheers If the bathroom doesn't have a shower/bath then going into the roof would be OK since you're not venting any moisture. I just put to bathroom fans in my house, I just had a roofer guy install the vents. I bought them at Home depot and he just charged me $75 to install them. Some tips when doing this. 1. Over size the fan. If the chart says 80 CFM go with at least 100 You will never be sorry that your fan works too well. It will also let you have longer ductwork and reduce the possibility of getting condesation drips. I put a 110 in a 8x8 bathroom, and the shower can't even fog the mirror. 2. Use a timer instead of a switch. 3. If you have a roofer install your vent, get up on the roof and mark were you want the vents, or be there when he's installing them. My roofer, despite detailed drawings and measurments, still managed to put one vent in the wrong spot, which made me use a lot longer duct length, but still seems OK. |
#8
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bathroom exhaust fans
On 2 Apr 2007 05:09:34 -0700, "coltrane"
wrote: I would like to put exhaust fans in 2 bathrooms. should these fans exhaust out the roof or can they just exhaut into the attic? thanks john Never a good idea to vent to the attic space. Try venting out to the soffit area so that you don't need to poke a hole in the roof! |
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