Ridge vent or wind turbines?

Discussion in 'Home Repair' started by Michael, Jun 20, 2008.

  1. Michael

    Michael Guest

    My house has not attic ventilation other that the 2 gable vents.

    I know I need to add eave vents but would like ya'lls opinion on ridge vents
    versus wind turbines.

    I have heard the pros and con from friends and family about ridge vents and
    wind turbines.
    ie, if it is storming badly, ridge vents can let water in.
    wind turbines don't last, noisy, etc .....
    etc ....

    I live in Arlington, Texas. If this make a difference.


    Michael, Jun 20, 2008
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  2. Michael

    hallerb Guest

    ridge vents require no maintence, make no noise, i have never had
    water get in,

    my only problem was a family of dedicated birds who having nested in
    the attic previously ripped at the ridge vent to get in. i solved that
    the following year by removing the vent and adding hardware cloth over
    the openings, put ridge vent back. birds were highly frustrated. i put
    uup a couple bird houses as compensation

    theres no reason you cant have ridge vent, and add a couple power
    vents for severe weather
    hallerb, Jun 20, 2008
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  3. I actually have both (as well as gable vents), also in TX. Turbines
    have been on my house at least since I've been in it (about 20 years).
    I put in the ridge vents a few years ago. Like the other posters, I
    see no evidence of water coming in the latter. No evidence for
    dampness in attic, etc.

    With three turbines up there in these 20 years, I think I've had to
    replace one. It just got stuck. The bearing failed. No noise out of
    any of them. I'm under a lot of oak trees, so they stay mostly in the
    shade, but they get bonked now and then by a falling branch. Noise has
    never been an issue in any of mine or, as far as I've been able to
    hear, for the fiftyish wind turbines on my block.
    Doug Lassiter, Jun 21, 2008
  4. Michael

    ransley Guest

    You say you need more venting, you only"need" more venting if mold is
    growing in the attic. Gable vents move alot of air, a few static vent
    near the top will be cheapest and release alot of heat.
    ransley, Jun 21, 2008
  5. Michael

    Joe Guest

    Turbines are a feel-good thing like hanging strings on vent openings
    so you can see if air movement is occurring. They move slightly less
    air than an equivalent size open hole in the roof (think Laws of
    Physics). Some folks like the industrial look, so if that's your
    preference, go for it. Soffit vents and ridge vents are the modern way
    to evacuate hot air, and you can't have one without the other.
    Manufacturers of the products have guide lines for soffit openings
    required for ridge vent effectiveness. HTH

    Joe, Jun 21, 2008
  6. Sorry, but I gotta dispute your assertion there (that turbines move
    "slightly less air than an equivalent size open hole in the roof").
    Where do you get that? Just from personal experience (having had a roof
    turbine in my last place) I can say that they move quite a bit *more*
    air than a hole in the roof (but, of course, only when the wind is blowing).
    David Nebenzahl, Jun 21, 2008
  7. Michael

    hallerb Guest

    WRONG, venting isnt just to prevent mold its primarily to decrease
    attic temperatures which add AC costs, and decrease roof life
    hallerb, Jun 21, 2008
  8. Michael

    Guest Guest

    I think ridge vents were invented in Texas. Ridge vents move more air
    than turbines, provided they have side fins, like the one at the upper
    right on this page:


    Notice the diagram shows air being pulled out from the attic,
    regardless of the wind direction. The side fins also keep out rain.
    You'll want any gable vents blocked off, to prevent short-circuiting
    of the air flow, and soffit vents installed (soffit vents are highly
    desirable regardless of the type of ventilation used).
    Guest, Jun 21, 2008
  9. Michael

    ransley Guest

    That doesnt mean he needs it does it, large gables move 10x as much
    air as vents.
    ransley, Jun 22, 2008
  10. Michael

    hallerb Guest

    theoritically theres never enough ventilation, esically in hot
    hallerb, Jun 22, 2008
  11. Michael

    Dottie Guest

    I am in FL. Last year I got a new roof. I previously had a tile roof
    with gable vents at each end of the house. The new roof is
    shingle...made by GAF - and it included a Cobra ridge vent. They
    covered the vents at each end of the house - the small print on the
    GAF literature recommends it. (I was glad to have it done because
    some of my neighbors have had problems with citrus rats getting in the
    attic and those vents were the only way in that we could see). I've
    just compared my electric bill with my last year's bill - and we used
    fewer kilowatts. So it hasn't made the attic that much hotter ... as
    far as I know mold/mildew hasn't started growing. You'll hear about
    it if it does.
    Dottie, Jun 22, 2008
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