New Central Air Conditioning is blowing humid air- is this normal
Ace
,
Tuesday, 10th of August 2010 12:22:31 PM
We just redid the a/c system in our condo.. new duct work and all- Ace everything is brand new. We have a humidity meter, and l put it directly Registered User over the vents, b/c im trying to find out why my allergies are bad, and Joined: Thursday, 29th of April 2010, 02:08:13 was advised to keep humidity down in my house. Our humidity ranges from Posts: 656 45-60 in the house, but the vents emit something different and Im trying Viewed 13298 times to conclude if this is normal before we go investigate. The A/C is down in
a crawl space, and it is somewhat damp. The Ductwork might need to be
sealed up also (hubbie hasnt gotten to it yet).
When the A/C
is ''ON'' and circulating- the humidity ranges from 60-65%.
/>When the system is on ''Circulate'' (which is a feature l really wanted
to keep air running through our IQ Air hepa system) it is REALLY humid,
registering around 75-80% (WET) on our meter.
Im guessing the
coils are wet, and the air circ is over and brings moisure with it
upstairs.
What, if anything, can we do about this?
/>System is American Standard 16 Seer w/ Air handelor.
Also im
trying to conclude if the moisture coming up is normal, or if its from
improper install? Or, maybe from leaks in the ductwork bringing moist
nasty basement/crawl space air with it? Crawlspace is a poured foundation,
and is pretty clean, just somewhat damp/humid.
(responding to why A/C
is in crawl space)
We are ina condo, and its a clean, dry crawl space.
The humidity registered less down there then inside my house - HTH. When we
bought the place, the a/c was down there, there is no way (easily) to put
in our condo and no space.
Daisy
,
Wednesday, 11th of August 2010 07:22:18 AM
Get the installer back & have him/her check the '' superheat '' Daisy to be sure the Freon charge is correct. If ur return ducts are intact & Registered User within the structure, then the crawlspace air shouldn't be an issue. Does Joined: Thursday, 6th of May 2010, 11:33:02 the indoor coil have the same rating ( SEER & tonnage ) as the outdoor Posts: 476 unit? Ask them. I've seen more than one '' packaged '' unit wind up Viewed 8617 times mismatched by the warehouse order picker. Also, was the correct fan speed
wired in. Many units have three or more different speeds to handle
different tonnages. Good luck.
Corn Fritter
,
Thursday, 12th of August 2010 05:50:52 PM
Why is the AC in the crawl space. Sounds like you are adding Corn Fritter humidity just because of the ACs location. Doesn't this sound strange to Registered User anyone else? Joined: Wednesday, 26th of May 2010, 22:20:21 Posts: 379 Viewed 19101 times
Tigger
,
Friday, 13th of August 2010 11:56:59 PM
As the air conditioner runs, it condenses the moisture in the Tigger air & the condensation runs down the coils & out through the condensation Registered User line. Sometimes these lines get clogged, & the water builds up in the Joined: Monday, 19th of April 2010, 21:32:42 unit, collecting in the pan under the fan, & is picked back up & sent Posts: 1586 through the home again. It looks like someone will have to crawl under the Viewed 8321 times home & investigate the ducting & the condensate line. If the condensate
line does not have an air trap, it be sucking water from the condensate
pan into the ductwork & into ur home. These are commonly called P or J
traps, & should be installed as close to the air handler as possible.
TD
,
Saturday, 14th of August 2010 06:54:34 PM
Using the AC to cool should reduce the humidity in the house. TD With some new systems you can just circulate inside air or draw in out Registered User side air. I know that my daughter has a control in her system that you set Joined: Tuesday, 20th of April 2010, 12:53:25 to control this. You could be drawing in warmer outside air that has more Posts: 1803 moisture in it. Viewed 15862 times
Check in the duct work for a damper that you move to redirect the air
flow. It should be a lever or a switch.
To get the humidity level down you would just use inside air & as it
condensates on the coils it is drawn out of the system.
Other than that you must check why you have so much moisture in the air.
When you cook or shower it could help if you use the exhaust fans.
See if you can put a dehumidifier in ur crawl space or at a low level to
help reduce humidity.
Dose ur crawl space floor have open dirt or is it covered? Bare ground
lets moisture in. If there is uncovered dirt, maybe just putting heavy
plastic over it would help to seal moisture out.
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