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!

did you ever get a baloon at the store when you were a kid?
If you did you noticed it floated.......hum....

I think bath fans should blow air as well as suck air.......
that way they can stir it up and get it moving.......
just my idea.....

thats why they invented matches.......

jloomis
"Bill" wrote in message
...
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!

On May 30, 8:11 am, "Bill" wrote:
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!

The reason is to remove the moisture produced by shower which if not
removed will cause the ceiling paint to peel plus other deteration
factors. So use your ceiling fan when bathing. or you'll have problems.

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!

Uhmmm... Because the fans are there to suck up the warm, wet air from
your shower. They are NOT there to clear out your stinky butt gasses.

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Bill wrote:
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!

What smell?

Uhmmm... Because the fans are there to suck up the warm, wet air from your
shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower, just
a sink and toilet?

On May 30, 10:29 am, "peter" wrote:
Uhmmm... Because the fans are there to suck up the warm, wet air from your
shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower, just
a sink and toilet?

Do you see a window in those rooms?

"Lou" wrote

Uhmmm... Because the fans are there to suck up the warm, wet air from
your
shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower,
just
a sink and toilet?

Do you see a window in those rooms?

Seems the OP isnt aware of code specs probably.

On May 30, 9:11 am, "Bill" wrote:
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

Claude Hopper (11) 5. ? wrote:
Bill wrote:
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!


Methane is lighter than air and floats to the ceiling.

Methane is odorless, so what's the diff?

HeyBub wrote:

Claude Hopper (11) 5. ? wrote:

Bill wrote:

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!



Methane is lighter than air and floats to the ceiling.


Methane is odorless, so what's the diff?


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.

IIRC you pulled up on the flush handle to turn on that water flow before
you sat down. Pushing down on the handle to flush the toilet stopped the
venting water flow.

Jeff

--
Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
The speed of light is 1.8*10^12 furlongs per fortnight.

On May 30, 11:29*am, "peter" wrote:
Uhmmm... Because the fans are there to suck up the warm, wet air from your
shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower, just
a sink and toilet?

They are not required in bathrooms that have windows.
It is for gas.

On May 30, 5:29 pm, Terry wrote:
On May 30, 11:29 am, "peter" wrote:

Uhmmm... Because the fans are there to suck up the warm, wet air from your
shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower, just
a sink and toilet?

They are not required in bathrooms that have windows.
It is for gas.

No, they are not required for gas. In fact they are not required in
half baths without a shower or tub. They are only required in full
baths with tub, shower or both when a window is absent. For
goodness sakes call your building inspector.
Lou

Jeff Wisnia wrote:

Methane is lighter than air and floats to the ceiling.


Methane is odorless, so what's the diff?


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.


Wouldn't that suck your, you know, down the drain?

That prospect scares the crap outta me!

Oh.

Maybe that's what it's for...

"Glenn" wrote in
:

Steam (water vapor) rises.


"Bill" wrote in message
...
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!





jusr install a 4" duct from below the toilet up to near the exhaust fan.
Then it will draw the stink out. ;-)
--
Jim Yanik
jyanik
at
kua.net

On May 30, 7:11*pm, "HeyBub" wrote:
Jeff Wisnia wrote:

Methane is lighter than air and floats to the ceiling.

Methane is odorless, so what's the diff?

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.

Wouldn't that suck your, you know, down the drain?

That prospect scares the crap outta me!

Oh.

Maybe that's what it's for...- Hide quoted text -

- Show quoted text -

I have a toilet seat that I need to put on. I read the directions (I
don't know why, but I did) and it says "retighten nuts after 2
weeks". Now THAT scares the cr*p out of me !!!

Lou wrote:
On May 30, 5:29 pm, Terry wrote:
On May 30, 11:29 am, "peter" wrote:

Uhmmm... Because the fans are there to suck up the warm, wet air
from your shower. They are NOT there to clear out your stinky butt
gasses.

So why are there ceiling fans in bathrooms that has no bath or
shower, just a sink and toilet?

They are not required in bathrooms that have windows.
It is for gas.

No, they are not required for gas. In fact they are not required in
half baths without a shower or tub. They are only required in full
baths with tub, shower or both when a window is absent. For
goodness sakes call your building inspector.
Lou

The problem is most people who live where it can get quite cold in the
winter will not open a window before taking a shower and leave it open for
the 20 or so minutes required to vent most of the humidity. When we bought
the place we live in now there was minor signs of surface mould on the
ceiling where it meets the walls. The first thing I did was install a vent
fan and vented it out under the soffit. We have been here 3 years and there
is no signs of mould in the attic - I was up there last week installing a
box for a roof fan... I prefer to vent warm air out the bathroom rather than
freeze my assets off after a nice hot shower.

I still want to install vent fans in the other two bathrooms, but since they
are not used as frequently I have not been in much of a hurry to complete
the task.

S. Barker wrote:
because the genius code pencil pusher engineer types say a bathroom has a
fan period.

s

"peter" wrote in message news:g3V%j.13$BY1.5@trnddc06...

Uhmmm... Because the fans are there to suck up the warm, wet air from
your shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower,
just a sink and toilet?




Hmmm,
No window either?
Maybe you live in a milder climate?

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.

eastern kansas. yes window. but never been opened.

s


"Tony Hwang" wrote in message
news:j850k.307387$pM4.183035@pd7urf1no...
S. Barker wrote:
because the genius code pencil pusher engineer types say a bathroom has a
fan period.

s

"peter" wrote in message
news:g3V%j.13$BY1.5@trnddc06...

Uhmmm... Because the fans are there to suck up the warm, wet air from
your shower. They are NOT there to clear out your stinky butt gasses.

So why are there ceiling fans in bathrooms that has no bath or shower,
just a sink and toilet?




Hmmm,
No window either?
Maybe you live in a milder climate?

On May 30, 7:42 pm, Pat wrote:
On May 30, 7:11 pm, "HeyBub" wrote:



Jeff Wisnia wrote:

Methane is lighter than air and floats to the ceiling.

Methane is odorless, so what's the diff?

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.

Wouldn't that suck your, you know, down the drain?

That prospect scares the crap outta me!

Oh.

Maybe that's what it's for...- Hide quoted text -

- Show quoted text -

I have a toilet seat that I need to put on. I read the directions (I
don't know why, but I did) and it says "retighten nuts after 2
weeks". Now THAT scares the cr*p out of me !!!

Calm down. I don't think they're talking about those nuts.

R

On May 30, 9:11*am, "Bill" wrote:
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)

Just from a practical standpoint, unless the exhaust fan is located on
an exterior wall, it is easier to vent the fan if it is in the
ceiling. Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the
wall. A ceiling mount allows you to duct to the outside via attic, or
the space between joists.

On May 30, 9:11*am, "Bill" wrote:
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!

"HeyBub" wrote in message
m...
Wouldn't that suck your, you know, down the drain?

That prospect scares the crap outta me!

Oh.

Maybe that's what it's for...

Yup... to scare the crap out of you
req

On Jun 4, 12:40*am, GMDuggan wrote:
Just from a practical standpoint, unless the exhaust fan is located on
an exterior wall, it is easier to vent the fan if it is in the
ceiling. *Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the
wall. *A ceiling mount allows you to duct to the outside via attic, or
the space between joists.

On May 30, 9:11*am, "Bill" wrote:



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!- Hide quoted text -

- Show quoted text -

Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the wall.

Through the top plate? How wide are your walls that you could run a 3"
- 6" duct *through* the top plate?

"DerbyDad03" wrote in message
...
On Jun 4, 12:40 am, GMDuggan wrote:
Just from a practical standpoint, unless the exhaust fan is located on
an exterior wall, it is easier to vent the fan if it is in the
ceiling. Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the
wall. A ceiling mount allows you to duct to the outside via attic, or
the space between joists.

On May 30, 9:11 am, "Bill" wrote:



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!- Hide quoted text -

- Show quoted text -

Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the wall.

Through the top plate? How wide are your walls that you could run a 3"
- 6" duct *through* the top plate?

I think that kind of implies what the problem is -----

If you try to run the duct up inside the wall and "through" the top plate
you effectively destroy the top plate?

On Jun 11, 8:44*pm, "Doug Brown" wrote:
"DerbyDad03" wrote in message

...
On Jun 4, 12:40 am, GMDuggan wrote:





Just from a practical standpoint, unless the exhaust fan is located on
an exterior wall, it is easier to vent the fan if it is in the
ceiling. Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the
wall. A ceiling mount allows you to duct to the outside via attic, or
the space between joists.

On May 30, 9:11 am, "Bill" wrote:

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!- Hide quoted text -

- Show quoted text -

Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the wall.

Through the top plate?How wide are your wallsthat you could run a 3"
- 6" duct *through* the top plate?

I think that kind of implies what the problem is -----

If you try to run the duct up inside the wall and "through" the top plate
you effectively destroy the top plate?- Hide quoted text -

- Show quoted text -

I read the problem to be that it would be *harder* to run the vent
through the top plate than to simply run it into the attic through the
ceiling, like it would be harder to run a wire through the top plate
than to run it through the ceiling.

I don't consider a complete severing of the top plate to be "through
it".

I believe "through" implies that there is some material left
surrounding the hole.

DerbyDad03 wrote:
On Jun 11, 8:44 pm, "Doug Brown" wrote:
"DerbyDad03" wrote in message

...
On Jun 4, 12:40 am, GMDuggan wrote:





Just from a practical standpoint, unless the exhaust fan is located on
an exterior wall, it is easier to vent the fan if it is in the
ceiling. Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the
wall. A ceiling mount allows you to duct to the outside via attic, or
the space between joists.
On May 30, 9:11 am, "Bill" wrote:
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!- Hide quoted text -
- Show quoted text -
Mounting the fan in an interior wall presents the problem of
running the duct, presumably 3"-6", through the top plate of the wall.

Through the top plate?How wide are your wallsthat you could run a 3"
- 6" duct *through* the top plate?

I think that kind of implies what the problem is -----

If you try to run the duct up inside the wall and "through" the top plate
you effectively destroy the top plate?- Hide quoted text -

- Show quoted text -

I read the problem to be that it would be *harder* to run the vent
through the top plate than to simply run it into the attic through the
ceiling, like it would be harder to run a wire through the top plate
than to run it through the ceiling.

I don't consider a complete severing of the top plate to be "through
it".

I believe "through" implies that there is some material left
surrounding the hole.

The reason the fan is there or required is for moisture not smells.
It's called a "fart fan" as a joke. The moisture occurs from
shower/bathing and usually rises because of the warmth. The codes
usually specify a certain amount of "air changes" per hour for an
exhaust fan.
--