The facility I work for has a dryer vented to the roof. Even when it hasn't rained or snowed, water builds up in the exaust hose. I have disconnected the hose several times(approx. every two weeks) and emptied 2 quarts of water each time. This significatlly decreases drying time, but when we finally got someone to come check it, they shortened the hose, and clamped it on so it can't be removed without tools. Dryer was taking forever again so I felt the hose and I can feel there is alot of water, but now I can't remove it to empty it. Is there anything that can be done to decrease the water that condenses in there? Remodeling is not an option, so it has to stay vented to the roof. Also, ideas that don't require a lot of money are greatly appreciated, I work for a non-profit organization. Even better if it is a fix that I can do myself!
As I mentioned before, remodeling is Not an option.
First make sure the vent has the proper cap on it to prevent rain water from getting down the vent. The other place where water will get in is condensation inside the vent from the dryer exhaust (remember it is warm moist air from drying the clothes). You can help limit the condensation if you can insulate the vent stack. They make fiberglass wrap insulation that should be fairly easy to install. A final solution you can try is to make a small hole in the bottom of the pipe (or flexible hose) where any condensation can drain out. You may need to put a pan or bucket under it and check it as needed to empty it before it overflows.
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