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Subject Author Date
Why are bathroom fans in ceiling? Bill 05-30-2008
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Posted by peter on May 31, 2008, 3:15 am
> If the OP's that concerned about flatulant odors he could always scrounge
> around used building material yards and pick up an American Standard
> "Ventaway" toilet. (AKA in my youth as "The fart catcher.")
>
> Repair parts for them are still available.
>
> They stopped making them quite a few years ago, probably for water
> conservation reasons. They used running water to pull the air out
> of the bowl and send that air down the drain after the trap section of
> the toilet.

Airplanes toilet also suck air out of the bowl. However it is not continuous
action; you have to push a button when you need the wind (or whatever) suck
out of you.



Tankless Water Heaters 468x60
Posted by Chip C on May 30, 2008, 1:15 pm
> Why are bathroom exhaust fans mounted in the ceiling?
>
> Wouldn't down low next to the toilet be a better location?
>
> Maybe even lower than the toilet and behind the toilet. Then the "smell"
> would go down and back instead of forward and up!

You are in the company of great minds; Buckminster Fuller put the
bathroom fan low under the sink in the Dymaxion House for this very
reason. (http://www.bfi.org/node/548). Of course, the whole bathroom
was a prefab copper capsule, and only one family has ever lived in a
Dymaxion House, but apparently they quite liked the bathroom, so it
must have worked.

But as others have pointed out, the *code* requirement for fans in
both bathrooms and kitchens is not for your olfactory comfort but to
dispel moisture, which if unchecked will promote mold and rot. For
code purposes I think you'll find any room with a sink needs a fan,
yes this means all those bedrooms with toothbrushing sinks in the
corner are bathrooms as far as electrical codes go.

What careful scientific analysis went into this definition? Who knows.

Having said all that I don't think code mandates the fan in the
ceiling, just as in a kitchen you don't need a range hood. Although
ceiling fans and range roods are probably most effective at removing
vapor, I believe an exhaust fan anywhere in those rooms meets code
requirements. But I'd check with the local inspector before I put the
hole in the wall.

Chip C
Toronto

Posted by Joseph Meehan on May 30, 2008, 2:37 pm
The primary use of the fan it so remove the warm moist air from the
shower. The smell you are talking about will also rise towards the ceiling.

> Why are bathroom exhaust fans mounted in the ceiling?
>
> Wouldn't down low next to the toilet be a better location?
>
> Maybe even lower than the toilet and behind the toilet. Then the "smell"
> would go down and back instead of forward and up!
>
>


--
Joseph Meehan

Dia 's Muire duit




Posted by S. Barker on May 31, 2008, 1:01 am
bathroom fans are not for smell removal. the reason they are required is to
remove shower and bath moisture.

s


> Why are bathroom exhaust fans mounted in the ceiling?
>
> Wouldn't down low next to the toilet be a better location?
>
> Maybe even lower than the toilet and behind the toilet. Then the "smell"
> would go down and back instead of forward and up!
>
>



Posted by p4o2 on June 3, 2008, 11:12 am
> Why are bathroom exhaust fans mounted in the ceiling?
>
> Wouldn't down low next to the toilet be a better location?
>
> Maybe even lower than the toilet and behind the toilet. Then the "smell"
> would go down and back instead of forward and up!

Hot air rises. (i.e. 98.6 in a 70* room)

Page 6 of 8       < 1 2 3 > last >>
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