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  1. #1
    Join Date
    Oct 2005
    Posts
    11

    What's a "turning vain"

    I have the furnace in a garage. The garage has been partially converted into a den type of room (will make it into a home thatre room). It currently has only one vent which is located next to the furnaces and it really doesn't keep the room warm.

    One estimator said that I could intall a turning VAIN with the new two stage furnace I'm going to get to help warm up the room. I didn't get a chance for him to elaborate and won't have the ability to ask him until monday morning.I was hoping if some of you good folks knew what that was and how it works. Any other suggetions are also appreciated. Thanks

    [Edited by bnbhoha on 10-22-2005 at 10:01 AM]

  2. #2
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Sure he didn't say "turning vane"?

  3. #3
    Join Date
    Mar 2004
    Location
    SE Michigan
    Posts
    17,600
    Maybe he means rubber neck?
    "The road to Hell is paved with progressive policies."

  4. #4
    Join Date
    Oct 2005
    Posts
    11
    Sorry, it was turning vain, oops.

  5. #5
    Join Date
    Nov 2000
    Location
    Waco, Texas, USA
    Posts
    6,153
    Its something that reduces turbulance when air goes around a corner inside the ductwork. And no it won't make a noticeable difference in performance.
    "And remember my sentimental friend......that a heart is not judged by how much you love, but by how much you are loved by others" - Wizard of Oz.

  6. #6
    Join Date
    Jul 2004
    Location
    midwest
    Posts
    2,868
    From the description you gave the register in question comes off right at the furnace. I would bet the contractor is recommending a type of scoop to catch the air and force more to this register. Takeoffs close to the furnace are short on air flow sometimes because of the velocity of the air coming out of the furnace. This all depends on the duct layout and we can't see that from here.

    Steve are you saying turning vanes do not work? Turning vanes are a must in square 90's and help in radius 90's.

  7. #7
    Join Date
    Nov 2000
    Location
    Waco, Texas, USA
    Posts
    6,153
    I like turning vanes but in this case I don't see how adding one will "help warm up the room". Unrealistic expectations are lurking in this post.
    "And remember my sentimental friend......that a heart is not judged by how much you love, but by how much you are loved by others" - Wizard of Oz.

  8. #8
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Turning vanes wil reduce the ESP (External Static Pressure) and increase the cfms (air flow).Now without the details we can't say how it will effect the OP's problem.

  9. #9
    Join Date
    Nov 2000
    Location
    Waco, Texas, USA
    Posts
    6,153
    Here is my unscientific take on this turning vane issue: Taking a problem of noncomfort and turning it into comfort will take more than what a turning vane can accomplish....generally speaking. All those figures and calulations are nice but sometimes you just need to go with your gut.
    "And remember my sentimental friend......that a heart is not judged by how much you love, but by how much you are loved by others" - Wizard of Oz.

  10. #10
    Senior Tech Guest
    I'm not sure about that steve...relatively speaking if I want a shot of smooth knob creek...and none is available a 6 pack of anything but heineken will usually get the job done...

  11. #11
    Join Date
    Nov 2000
    Location
    Waco, Texas, USA
    Posts
    6,153
    "And remember my sentimental friend......that a heart is not judged by how much you love, but by how much you are loved by others" - Wizard of Oz.

  12. #12
    Join Date
    Jan 2005
    Location
    Crooksville, Ohio
    Posts
    77
    Originally posted by senior tech
    I'm not sure about that steve...relatively speaking if I want a shot of smooth knob creek...and none is available a 6 pack of anything but heineken will usually get the job done...
    Ahhh come on now.. whats wrong with Heineken??
    All Seasons Heating & Cooling

  13. #13
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,510
    one outlet isnt cutting it then i cant see any benneifit from a turning vain. it would seem to me the best bennifit would be to size the unit to the total load of the section of the house it has to heat and cool and add enough outlets to handle the room also. just replacing the unit is not the answer unles it is handled properly

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