Moisture on bathroom exhause vent
posted by davem88 on Jan 04, 2008
I replaced an existing bathroom exhaust fan with a higher powered model. After showering in the bathroom, the exhaust vent is quite wet and actually drips water. I am using 3 feet of flexible tubing from the fan that attaches to non-flex sheet metal duct pipe, exiting straight up to the roof (about 12 feet). How do I reduce/stop the moisture in and around the vent? The temperature outdoors and in the attic is currently about 20 degrees.
........Help! Thanks.
Comment by davem88, posted on Jan 08, 2008
Thanks but....This fan is rated for this size bathroom - it is not considered 'high' powered by any means....I'm thinking that when the warm moist steam from the shower, enters the cold exhaust pipe in the attack, it turns to water/condensation, which results in the dripping....? maybe insulating the exhaust pipe in the attack, will keep the temperture a bit warmer and reduce the creation of 'water' in the pipe....??
Best Solution
posted on Jan 05, 2008
Guruthe fan is pulling too many cfm (cubic feet per minute).you can replace the switch of the fan with a potentiometer type switch (this works like a light dimmer)you can reduce the speed of the fan,or you can use a couple of synthetic fiber filters to trap the condensation.good luck
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