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  1. #14
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Supply air leaks(outside the conditioned space) suck,look in the attic again.

  2. #15
    Join Date
    Jul 2008
    Location
    Poestenkill, NY
    Posts
    769
    see - i already give the same advice hours before pro-members with 15,654 post more than me!

  3. #16
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,874
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    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  4. #17
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Quote Originally Posted by larobj63 View Post
    see - i already give the same advice hours before pro-members with 15,654 post more than me!
    Nice job!!lol

  5. #18
    Join Date
    Mar 2001
    Location
    North Carolina
    Posts
    428
    Quote Originally Posted by larobj63 View Post
    see - i already give the same advice hours before pro-members with 15,654 post more than me!
    yeah nice ditto

  6. #19
    Join Date
    Mar 2001
    Location
    North Carolina
    Posts
    428
    Quote Originally Posted by beenthere View Post
    So you think opening the return air filter grille, and looking to see if it, and the return box are sealed, is too hard to do?
    no i was referring to someone telling them to remove ceiling registers.

    Quote Originally Posted by shophound View Post
    Find a supply vent grill in the ceiling and pull it off. If there's a gap between the supply vent sheetmetal (called a "boot") and the drywall, that is part of your problem. This gap can be sealed with caulk or duct mastic (latter is preferable).

    When the supply grill is on, and this gap between ceiling drywall and boot remains, back pressure off the grill will force cold air into the attic, which equates to air lost from the home. If it escapes the conditioned space, it is a loss of air volume, which has to be made up from somewhere.

    You should also consider ways to seal your attic access, and all other penetrations through the ceiling into the attic.

  7. #20
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Quote Originally Posted by obxtech View Post
    no i was referring to someone telling them to remove ceiling registers.
    Ditto!!lol

  8. #21
    Join Date
    Jul 2008
    Location
    Poestenkill, NY
    Posts
    769
    Quote Originally Posted by dash View Post
    Nice job!!lol
    lol - I just sent my application in for pro-member status, so look out for more constructive wise ar$e comments.

  9. #22
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,874
    Been more then one thread here. Telling customers to seal their registers, because their contractor didn't, and wouldn't.
    I've been out to more then one place that the customer couldn't get the register back on right, after they had removed it to paint around it.
    So they paid me to put it back on.

    I don't view them looking to see if its sealed, any different then removing it to paint around it.
    It is their home.
    Just like its their car, if they want to change the oil themselves.

    If they screw something up, they pay for it.

    But, I never said to remove the supplies.
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  10. #23
    Join Date
    Mar 2001
    Location
    North Carolina
    Posts
    428


    Yeah he is probably in your service area huh?

  11. #24
    Join Date
    Aug 2003
    Location
    Fort Worth, TX
    Posts
    11,315
    Quote Originally Posted by beenthere View Post

    But, I never said to remove the supplies.
    I did. Supply vent grills, to be exact. I think that's something a homeowner can do, varying degrees of skill so noted.

  12. #25
    Join Date
    Apr 2002
    Posts
    11,808
    Quote Originally Posted by bluefitness View Post
    My house is under negative pressure when the a/c is on. I can feel air being sucked out of the attic access door. I'm assuming it is being sucked under the front door as well. I checked the duct work in the attic and didn't see any noticeable air leaks. What else would cause negative pressure?
    attic air enters the space below or cold air goes up into the attic?

    cold air leaks out your front door or humid air is sucked in through the door frame?

    Is this a single story or two story house?

    Are the supply and return grilles in the ceiling?

    Is there a central return grille off of a hallway near the attic access?
    Last edited by Carnak; 08-13-2008 at 09:47 PM.

  13. #26
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,874
    Quote Originally Posted by obxtech View Post


    Yeah he is probably in your service area huh?
    LOL..
    I don't where he's from.
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