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Problem: condensation in attic a/c trunk line

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Problem: condensation in attic a/c trunk line BC 01-31-2007
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Posted by Oscar_Lives on January 31, 2007, 10:49 pm

> My ac system is mounted in the attic in NJ. During the cold months the
> supply trunk line is wet with water where the trunk lays on the
> attic plywood. Both gable end windows are open. Also, the ac outlets that
> are located in the ceiling have flappers which are shut and the return
> grates are also covered. Why is this sweating? I think my warm moist air
> is still getting past the closed vents and winds up in the trunk upstairs
> and condenses the water. Anyone have any ideas? Thanks, Bruce


Yep, that is it. Keep all your registers open and run the fan "on" all the
time. That will keep the ducts dried out.



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