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Thread: Return Air In A Bathroom?
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03-08-2008, 09:13 PM #1
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Return Air In A Bathroom?
Here in Hawaii we have no mechanical inspections,so you see some interesting things to say the least.My question is...Can you put a return in a bathroom?I am no engineer,but it seems a bit odd to me that you would want to suck up moisture and the smell of your butt,then blow it out in the rest of your house.I am sure those of you more familiar with codes can answer my question.I prefer the International Mechanical Code,since we have no codes.Please email me
Last edited by jrbenny; 03-08-2008 at 09:14 PM. Reason: removed email from post...put it in your profile
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03-08-2008, 09:21 PM #2
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No recirculation of bathroom air. Section 403 of the IMC. For residential, the code requires either 20 cfm of continuous exhaust or 50 cfm of intermittent exhaust. I do believe that there is an exception to the no recirc rule if the return air is less than 10% of the total supply air, I don't have the code in front of me right now, but I would never ever recirc toilet exhaust.
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03-08-2008, 09:23 PM #3
My aroma is powerful enough without ducting it to the rest of the house.
Merry Christmas

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03-08-2008, 09:50 PM #4
No return from bathrooms or kitchens.
IRC
International Residencial Code.
M1602.2 Prohibited sourses
4. A closet,bathroom, toilet room, kitchen, garage, mechanical room, furnace room or other dwelling.
Theres just too many to type all of them.
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03-08-2008, 11:46 PM #5
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03-09-2008, 12:12 AM #6
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03-09-2008, 12:34 PM #7
a return over the toilet is fine...
...................if you really really hate your family.
FILL OUT YOUR PROFILE!!
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03-09-2008, 12:39 PM #8
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You know if you have a mother-in-law who lives with you you could install an exhaust fan above toilet with it vented to her room.
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03-09-2008, 01:13 PM #9
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Some very large master suites today,including the walkin closets need some form of retun,doesn't have to be ducted.
The toilet room and shower/tub can have ceiling exhaust,for odors and humidity removal .
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03-09-2008, 01:42 PM #10
Under cut doors, tranfer grilles are fine.
Just can't be ducted to system.
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03-09-2008, 07:51 PM #11
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Contrary to I love the smell of fresh napalm in the morning. My family doesn't care for the smell of my fresh toiletries in the morning. They get enough of it as well without the assistance of my HVAC system. DON'T DO IT.
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03-10-2008, 04:52 PM #12
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ewwwwwwwwwwww
'nuff said !


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