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  1. #1
    Join Date
    Dec 2011
    Location
    West Central WI
    Posts
    3

    Default Diy fume extractor

    Hey!
    Has anyone built a fume extractor for a house garage? I have a whole house fan in my finished garage ceiling but it gets way too cold sucking outside air in during winter months.....in wi. Looking for one with some type of carbon filter or the like...new ones are way too much$...at least for me.
    Thanks in advance for your time and help!
    The best!
    Mike. :d
    Last edited by mkaa05; 01-15-2012 at 11:05 AM.

  2. #2
    Join Date
    Jan 2007
    Location
    Montana, USA
    Posts
    232

    Default

    I made mine with a small squirrel-cage blower out of a clothes dryer. A garbage can lid on the end of flexible dryer vent hose, suspended by pulleys and a balancing weight, pulls over the work location to extract the smoke. Doubles as the exhausting means for my paint spray cabinet.

  3. #3

    Default

    goodhands idea sounds like the bathroom exhaust fans available at any home improvement store i have heard thats the best inexpensive way.

  4. #4
    Join Date
    Oct 2011
    Posts
    6

    Default water filter

    It gets rid of smoke atleast... but I made a filter using water and a squirrel cage fan similar to the way they use a shop vac prefilter in dry wall. The air has to pass through the water and it gets most of the smoke and dust particles. Probem is the fan I had only pulls through about an inch of water. Need a few gallon of water or it turns slimy in a few days of welding and grinding. Doesn't do anything for toxic gases though.

  5. #5
    Join Date
    Jan 2009
    Posts
    15

    Default

    imho you need to exhaust everything outside, no filtering.

    Many bath fan units have one-way flaps in them to help with the cold air getting in when they are not in use.

  6. #6
    Join Date
    Oct 2011
    Posts
    6

    Default outside is best

    I agree outside is the best way to go but not always the easiest. I have an exhaust fan also besides my filter. I mounted an old furnace blower with a hood going outside, but the water filter let's me direct the air flow both at the suction end and the outlet where ever I am in my shop and helps eliminate the magnetic tissue when I blow my nose. I really like it above the chop saw as it helps reduce the dust cloud.

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