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therlinger
07-03-2006, 08:17 PM
First of all, thanks to everyone who responded to my questions last night. You provided me with a lot of useful information and I really appreciate it. Now, one more question so my husband doesn't pop a blood vessel. The freon line that goes from my air handler to the outside unit is wrapped very well in the usual neoprene type tube insulation. However, there is one spot where you can seperate it to feel the line. It's very cold and it appears to be sweating quite a lot. The line goes down the side of the air handler to the floor and then out the wall to the outside unit. When it hits the floor, it rises back up again off the floor maybe an inch or so, so it makes sort of a slight U shape. At it's lowest point there is a small cut in the insulation and it appears that the condensation is pooling there. Quite a bit pools there and leaks out onto my laundry room floor. Maybe about half a cup to a cup of water a day leaks out. Is it normal for the line to sweat that much? If not, what would be causing this? If it is normal, what do I do about this? I can replace the insulation so that there isn't an opening there for it to leak out, but won't that water just pool inside the insulation and build up over time and possibly cause a mold problem? Any advice is appreciated. Thanks in advance.

psychometric
07-03-2006, 08:36 PM
the water only forms where the air is contacting the pipe. the tear or break in the insulation can simply be repaired with...you guessed it....duct tape. close the gap and tape it. you'll form a vapor barrior. anywhere you can see the copper, you need to move the armaflex together and tape it. we don't like laundry room leaks around here.

mjk_na
07-04-2006, 08:56 AM
Insulate it tightly, and the problems will be solved.

Condensation will occur if water vapour in air come into contact with a surface with lower dew point temperature.

Here's some information:

http://www.air-conditioner-selection.com/psychrometric-chart-air-conditioner-sizing.html