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  1. #1
    Join Date
    Feb 2005
    Posts
    665

    A test between swamp coolers and AC IAQ

    This is a test from two home in SLC, one with a cooler and one with central air.

    Two days later, that's what we found. The home with the air conditioning measured 6.9 micrograms of particulates; the home with swamp cooler measured 19.1, about the same level as the outside air, at 20.1.
    here is the link;
    http://www.ksl.com/?nid=148&sid=1502605

  2. #2
    Join Date
    Apr 2002
    Posts
    11,808
    that's a no brainer
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  3. #3
    Join Date
    Feb 2005
    Posts
    665
    True, but you do hear all the time about how indoor air is dirtier than outdoor air?

  4. #4
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    Quote Originally Posted by cool-blew View Post
    True, but you do hear all the time about how indoor air is dirtier than outdoor air?
    It is, just in ways that don't show up on a particle counter.
    If more government is the answer, then it's a really stupid question.

  5. #5
    Join Date
    Apr 2002
    Posts
    11,808
    Off gassing, carbon dioxide more fine particles.

    In a cold area, you take the filters out of the outside air units in the winter. They frost up, but there are no bugs, pollen, snow keeps the dust down.

    Swamp cooler is changing the air inside a home pretty frequently in cooling. The cooler pads double as the filter and they are not the greatest, so it is a no brainer that the particle count inside the home will get close to what is outside the home.

    Maybe regular AC circulates a house volume of air 4 times an hour, swamp cooler probably changes the inside air with outside air 10 times an hour.
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  6. #6
    Join Date
    Mar 2005
    Location
    5,000 ft
    Posts
    2,181
    Quote Originally Posted by cool-blew View Post
    This is a test from two home in SLC, one with a cooler and one with central air.
    So.. What equipment are you using to test IAQ with?

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