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Old 05-27-2013, 08:55 PM
 
Location: Las Vegas
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Is it normal to have condensation dripping down from one or more ceiling a/c registers in a humid climate.
Unsure if this is normal or something that needs to be addressed???
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Old 05-27-2013, 08:57 PM
 
Location: Simmering in DFW
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I don't think its normal, at least I haven't had that happen in any house I have owned and we live in the DFW area....pretty humid here.
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Old 05-27-2013, 09:48 PM
 
Location: Out there somewhere...a traveling man.
44,590 posts, read 61,412,482 times
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Here's some good read on the subject and may answer your questions:
How Do I Stop Water Condensation From My Home Air Conditioning Vents? | eHow
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Old 05-27-2013, 09:48 PM
 
Location: Brentwood, Tennessee
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Are your filters clean? It could be severely restricted air flow.

Also, do you keep the temp really low?
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Old 05-27-2013, 09:58 PM
 
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The AC coil is the coldest spot in the airflow. All condensation should occur there. Condensation at the vent is an indication of moist air around the vent being sucked into the cold dry air airflow.
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Old 05-27-2013, 10:11 PM
 
Location: Johns Creek, GA
17,444 posts, read 65,798,103 times
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Quote:
Originally Posted by SoHoVe View Post
Is it normal to have condensation dripping down from one or more ceiling a/c registers in a humid climate.
Unsure if this is normal or something that needs to be addressed???

There's several things that need to be addressed.
Air flow- Restricted filter (as previously mentioned) or restricted duct?
Improperly insulated boot (the metal part that the register covers)? Is it sealed, and sealed to the drywall properly (this is usually a number 1 problem, especially in older houses, when it wasn't required to be done)? The high pressure air exiting the register creates low pressure around the perimeter of the boot- and the seams inside the boot drawing hot moist air from the attic which condenses on the register.


Other things to consider and be aware of; rooms with high infiltration rates are more likely to have sweating registers (can lights, fart fans, poorly sealed/missing weatherstripping on windows, and other penetrations- especially those that have direct exterior connections can cause registers to sweat.
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Old 05-27-2013, 10:13 PM
 
Location: Johns Creek, GA
17,444 posts, read 65,798,103 times
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Quote:
Originally Posted by nitram View Post
Here's some good read on the subject and may answer your questions:
How Do I Stop Water Condensation From My Home Air Conditioning Vents? | eHow

Can I just tell ya-
That link was the worst- and it certainly didn't address the issue of this thread.
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Old 05-28-2013, 03:54 AM
 
342 posts, read 1,551,851 times
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Turn the thermostat up to a more reasonable setting and run the fan continuously.
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Old 05-28-2013, 10:26 PM
 
Location: Las Vegas
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Thank you all for the comments and suggestions. I think its related to the boot...is this a concern as far as potential for mold growth?
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Old 05-29-2013, 05:36 PM
 
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Quote:
Originally Posted by boomtownfunlover View Post
Turn the thermostat up to a more reasonable setting and run the fan continuously.
Then you're just paying to remove latent heat and then you're paying to put it right back into the living space. Not only is that a band-aid it's one of those band-aids that comes off when you get near water.
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