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whole house fans

Discussion in 'Other Off Topic Forum' started by jal, Jan 20, 2014.

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  1. jal

    jal Formula Junior

    Jul 26, 2009
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    John
    #1 jal, Jan 20, 2014
    I live where there is little need for summer AC because of the few days where its unbearable and also because the eves are cool. I am thinking of installing a 36" whole house fan in the attic that would replace the warm muggy air with cool outside air. I have seen them work and they are amazingly efficient. I was wondering if anyone here knows of new technology and designs ( I was thinking a fan belt model for lower rpm and noise ).Thanks
     
  2. fjb

    fjb Formula Junior
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    #2 fjb, Jan 20, 2014
  3. Randy R

    Randy R Formula Junior
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    #3 Randy R, Jan 20, 2014
  4. losgatos789

    losgatos789 Formula Junior
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    #4 losgatos789, Jan 29, 2014
    Purchased ours from Home Depot and self installed
    36 inch direct drive
    2 speed

    pros

    cools house in minutes including upstairs
    very cost effective


    cons

    noisy, but it is on only for a couple of minutes
    if you operate in the spring or summer and you have allergies, you will pull in pollen

    make sure to install in the center of your house, which more efficiently draws air from windows to center of house as oppose to across the house and out

    stu
     
  5. DrStranglove

    DrStranglove FChat Assassin
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    #5 DrStranglove, Jan 29, 2014
    I have one in both my houses that I occupy. Love 'em!!
     
  6. jal

    jal Formula Junior

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    #6 jal, Jan 29, 2014
    Thanks for the information. Is there a fear of having TOO HIGH a CFM fan. Say as in sucking papers off a desk?
     
  7. losgatos789

    losgatos789 Formula Junior
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    #7 losgatos789, Jan 30, 2014
    When I have the fan on high, papers have not been pulled off tables. However, we have some light weight paper ornaments hanging from the ceiling - throughout the house - and the air draw is sufficient to cause these ornaments to flutter throughout the house. Actually entertaining "watching" the ornaments swing as cool air is being drawn in.
     
  8. jal

    jal Formula Junior

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    #8 jal, Jan 31, 2014
    thanks everyone. I will begin my search when the weather warms up a little, as putting a hole into the cold, these days, leaves me shivering.
     
  9. LightGuy

    LightGuy Four Time F1 World Champ
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    #9 LightGuy, Feb 9, 2014
    There are sunny yet cool days where the attic gets very hot from heating of the shingles/decking.
    I wonder if the flow can be reversed ?
    Also our windows are a pain to open close.
    Power windows next !
     
  10. George Vosburgh

    George Vosburgh F1 Rookie
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    #10 George Vosburgh, Feb 9, 2014
    Whatever fan you buy, make sure it is a belt drive not direct drive. The belt makes much less noise. When you are trying to sleep you'll thank me. Vent through the roof, there are a variety of ways I have had several. They are absolutely FANTASTIC!
     

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