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  1. #1
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    Mar 2014
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    New Construction 2

    This one has been a slow process but finally got the metal wrapped up this weekend. I’m happy with the results can’t wait to fire it up and check static. All metal ductwork, returns are wall stack to round back to trunk line with balancing dampers. More pictures to come when I finish, will be a while with how things are going.



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  2. #2
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    Feb 2015
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    Ohio
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    Looks good! I'm curious to hear about the supply take off/immediate increase design and performance. I always build transitional take offs with 2" rise and respectively sized collars at the plenum. I like the inside radius design for the t/o's.
    "If common sense was so common, everyone would have it."

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  4. #3
    Join Date
    May 2006
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    Nice work i would seal around the joint between the return and the return comes from above so you are not drawing air in from the basement and putting it back in the home aka fumes etc other than that top notch work

  5. #4
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    Mar 2014
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    Thread Starter
    Quote Originally Posted by pctech View Post
    Nice work i would seal around the joint between the return and the return comes from above so you are not drawing air in from the basement and putting it back in the home aka fumes etc other than that top notch work
    Yes. Not finished yet still have sealing to do.


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  6. #5
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    Thread Starter
    Quote Originally Posted by taylor2 View Post
    Looks good! I'm curious to hear about the supply take off/immediate increase design and performance. I always build transitional take offs with 2" rise and respectively sized collars at the plenum. I like the inside radius design for the t/o's.
    Are you referring to the takeoffs going from a 16” plenum to 24” ductwork? Not sure what you mean when you say 2” rise?


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  7. #6
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    May 2006
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    ok i thought so but did not know i would have made my bends inside the opening so it seals from the inside out or is that to hard to do in your install?

  8. #7
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    Feb 2015
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    Ohio
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    The start collar of the t/o is 2" lower than the top of the ductwork. I'm guessing this design is relying on higher velocity leaving the plenum then the velocity would reduce in the transition from (i'm guessing) 14 or 15x8 to 24x8?
    "If common sense was so common, everyone would have it."

  9. #8
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    Mar 2014
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    Thread Starter
    Quote Originally Posted by taylor2 View Post
    The start collar of the t/o is 2" lower than the top of the ductwork. I'm guessing this design is relying on higher velocity leaving the plenum then the velocity would reduce in the transition from (i'm guessing) 14 or 15x8 to 24x8?
    Yeah I’m not that advanced lol. I just make fittings how I feel air will move with the least resistance. I keep them straight off the top just so it’s easier to make the fitting. I try to hit .5” tesp. I will go thru and balance with flow hood once the home is finished and move in ready.


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  10. #9
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    Aug 2015
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    Buffalo,NY
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    Frankly I think it’s a bang up bad ass job sir. You should be proud of that metal work. Not many people have the knowledge let alone will for that kind of craftsmanship anymore.


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  12. #10
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    May 2006
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    once its all sealed and air tight he will have one heck of a grate job i agree

  13. #11
    Join Date
    Aug 2009
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    Beatrice, NE
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    Very nice looking job. I am like Taylor and wondered about the increase right after the take off. If I have duct wider than the plenum I build a transitional take off that starts out as wide as the plenum and really deep, that shrinks in depth as it widens to match the duct. By the looks of your duct system and fittings I think your way will do great.

  14. #12
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    Dec 2010
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    Beautiful workmanship. You should sleep soundly at night. I hope the builder and homeowner realize how lucky they are.

    We also elevate the furnace so the large air filter surface is utilized (particularly on the right side of the blower with all of the wires in the way.)

    The only additional things we do is install flex connectors to isolate the furnace from the ductwork.

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  16. #13
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    May 2006
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    I Dont use them unless the client says to as they tend to rot in time and cause leaks

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