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  1. #1
    Join Date
    Mar 2008
    Location
    Hawaii
    Posts
    3
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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 10:14 PM. Reason: removed email from post...put it in your profile

  2. #2
    Join Date
    Nov 2007
    Location
    Chicago
    Posts
    76
    Post Likes
    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.

  3. #3
    Join Date
    Jun 2001
    Location
    Louisville, KY
    Posts
    12,266
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    My aroma is powerful enough without ducting it to the rest of the house.
    Perhaps you should have read the instructions before calling.

  4. #4
    Join Date
    Jan 2004
    Location
    PA
    Posts
    70,004
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    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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    How many times must one fix something before it is fixed?

  5. #5
    Join Date
    Nov 2001
    Location
    east kansas
    Posts
    8,053
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    Quote Originally Posted by weylon View Post
    you would want to suck up moisture and the smell of your butt,then blow it out in the rest of your house.

    That's funny stuff.
    Beware of advice given by some guy on the Internet.

  6. #6
    Join Date
    Feb 2004
    Posts
    451
    Post Likes
    Quote Originally Posted by weylon View Post
    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
    This guy says run from that situation:
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    Before you criticize someone, walk a mile in their shoes...that way you are a mile from them and have their shoes

  7. #7
    Join Date
    Feb 2004
    Location
    chicago suburbs
    Posts
    4,422
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    a return over the toilet is fine...

    ...................if you really really hate your family.
    FILL OUT YOUR PROFILE!!

  8. #8
    Join Date
    Jan 2007
    Location
    Indiana
    Posts
    66
    Post Likes

    Talking

    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.

  9. #9
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Post Likes
    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 .

  10. #10
    Join Date
    Jan 2004
    Location
    PA
    Posts
    70,004
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    Under cut doors, tranfer grilles are fine.
    Just can't be ducted to system.
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    How many times must one fix something before it is fixed?

  11. #11
    Join Date
    Jun 2007
    Location
    Round Rock
    Posts
    3,903
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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.

  12. #12
    Join Date
    Dec 2007
    Location
    Phoenix, AZ
    Posts
    11
    Post Likes
    ewwwwwwwwwwww 'nuff said !

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