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Thread: smoke anyone!

  1. #1
    Join Date
    Dec 2010
    Location
    Canton TX
    Posts
    81

    smoke anyone!

    Is their any issues with duct mount smokes in clubs and such shuting down units with smoke machines in use. I need to put 6 in a skateing rink.

  2. #2
    Join Date
    Feb 2006
    Location
    Atlanta,GA.
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    869
    most smoke machines are not really smoke it is dry ice and water

  3. #3
    Join Date
    Feb 2006
    Location
    Atlanta,GA.
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    869
    but cigarrette smoke is different it really is smoke

  4. #4
    Join Date
    Jul 2008
    Location
    Rochester NY
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    4,702
    Some smoke machines use Propylene Glycol, Glycerin, and Distilled Water (theatrical smoke).


    These, obviously, don't set off smoke detectors (or they wouldn't work in theaters...).
    Which makes more sense to you?
    CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
    ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%

    DO THE NUMBERS! Step on a HOMESCALE.
    What is comfort? Well, it AIN'T just TEMPERATURE!

    Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.

  5. #5
    Join Date
    Oct 2011
    Location
    Chicagoland Area
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    4,510
    Quote Originally Posted by tedkidd View Post
    Some smoke machines use Propylene Glycol, Glycerin, and Distilled Water (theatrical smoke).


    These, obviously, don't set off smoke detectors (or they wouldn't work in theaters...).

    Can you explain. I've had steam set off detectors as well as dust. What is different about "fake smoke"?
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

    I know enough to know, I don't know enough
    Liberalism-Ideas so good they mandate them

  6. #6
    Join Date
    Jul 2006
    Location
    Anytown USA
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    2,055
    Quote Originally Posted by 2sac View Post
    as well as dust
    Ah yes good old dust setting off smoke alarms.. You try to be the good guy and brush off a dirty return grill in a store only to set off the fire alarm and they evacuate the whole shopping mall.

    Nope never done that before.

  7. #7
    Join Date
    Jul 2008
    Location
    Rochester NY
    Posts
    4,702
    2sac, I can't, sorry. Just know I use "zero toy" smokers to sniff out air leaks (with a blower door) and you can hold them up to smoke dterctors and they don't go off.

    I think it's basically low temperature steam.

    DONT do that with caustic smoke pencils, they WILL trigger alarms.
    Which makes more sense to you?
    CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
    ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%

    DO THE NUMBERS! Step on a HOMESCALE.
    What is comfort? Well, it AIN'T just TEMPERATURE!

    Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.

  8. #8
    Join Date
    Apr 2012
    Location
    winnipeg
    Posts
    1,330
    well...... I have..... way to many times....lol ..... fire department gets over it eventually.......
    it was working.... played with it.... now its broke.... whats the going hourly rate for HVAC repair

  9. #9
    Join Date
    Oct 2009
    Location
    Raleigh, NC
    Posts
    790
    To provide an answer for your original question, you will have to do some homework. Most theatrical fog machines use a water/glycol or a mineral oil mixture to produce fog. It is vaporized and discharged through a nozzle where it immediately condenses to fog. Water/glycol fog is much less likely to set off fire equipment compared to oil based. The main thing is what type of smoke detectors are present in the space. If they are the optical kind which sense particles in the air, you may have issues. If they are ionization type sensors, you will most likely have no problem at all. Of course, there is the possibility that the space has both!

  10. #10
    Join Date
    Dec 2010
    Location
    Canton TX
    Posts
    81
    Thanks to all for the info. has been some time sense i jacked with a detector. I just dont want that late nite saturday call!!!

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