Air Conditioning - A/C Humidity Problems

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spalunabob
11-04-08, 02:08 PM
I am in Hawaii, high ceiling, high temp, hi humidity. I have a 5 ton A/C unit on the roof. The input duct is immediately thru the roof, straight down for 20', 90 deg elbow, all the rest is horizontal. I get a lot of dripping at the elbow. Would insulation wrap help and where should it be placed?

airman.1994
11-04-08, 05:09 PM
Make sure all seams are sealed! All of duct needs to be wrapped!
HVAC Mech.
11-06-08, 10:35 AM
Use duct wrap insulation with an integral vapor barrier, and seal all seams air tight.