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Dryer question for you home expert Baws
Posted on 7/6/18 at 2:34 pm
Posted on 7/6/18 at 2:34 pm
A friend of mine’s dryer gets condensation inside the dryer when it rains. There are no leaks anywhere. The outside vent is under the patio and never gets rained on. Just today they found condensation inside the dryer after rain last night. dryer hasn’t been used in. 2 days. Any idea, what is going on?
This post was edited on 7/6/18 at 2:35 pm
7
Posted on 7/6/18 at 2:35 pm to Ponchy Tiger
tell him to stop pissing in the dryer
Posted on 7/6/18 at 2:35 pm to Ponchy Tiger
quote:Either the condensation is unrelated to the rain or there is a leak. Unless I'm missing something.
friend of mine’s dryer gets condensation inside the dryer when it rains. There are no leaks anywhere.
Posted on 7/6/18 at 2:36 pm to Ponchy Tiger
Condensation - warm, moist air contacts cold surfaces, air contact on said surface reaches dew point and water condenses....
Posted on 7/6/18 at 2:39 pm to Ponchy Tiger
I'll bet there is partial blockage in the exhaust duct. Or maybe the ducting is very long and the warm moist air is cooling and condensing before it exits the outside duct.
Posted on 7/6/18 at 2:41 pm to Ponchy Tiger
Here's my theory: After a rain the air is heavily moisture laden. The houses AC has a major supply air leak in the attic. The air the AC system has lost in the attic is being made up for my being pull though the dryer vent. That moisture laden air then is condensing on the metal dryer surfaces that have been inside the cool house.
Obviously with this theory the dryer hasn't been run for several hours or it would be warm.
Obviously with this theory the dryer hasn't been run for several hours or it would be warm.
Posted on 7/6/18 at 2:41 pm to Ponchy Tiger
They have a vent cap on it right?
Posted on 7/6/18 at 3:42 pm to tigeraddict
quote:
Condensation - warm, moist air contacts cold surfaces, air contact on said surface reaches dew point and water condenses....
This is the answer. The dryer is located in a conditioned space....probably 72 degrees or colder. The warmer humid air from outside travels through the exhaust duct to the dryer and creates condensation. It sounds as if exhaust flap outside is stuck open causing this effect.
This post was edited on 7/6/18 at 4:11 pm
Posted on 7/6/18 at 5:24 pm to nes2010
Yes it has a vent cap. Pipe comes from the dryer straight to a outside wall about 6 feet in total length.
Posted on 7/6/18 at 5:28 pm to MardiGrasCajun
quote:
It sounds as if exhaust flap outside is stuck open causing this effect.
Ding ding, winner. Tell them to replace the vent line and cap. Also, leave the dryer door open after use until they do. It’s a very cheap fix.
This post was edited on 7/6/18 at 5:29 pm
Posted on 7/6/18 at 5:56 pm to CoachChappy
Vent line and flap are all fine. That is what has everyone puzzled
Posted on 7/6/18 at 6:05 pm to Ponchy Tiger
In that case, Call this guy
Or these guys:
Or these guys:
Posted on 7/6/18 at 6:21 pm to Ponchy Tiger
Sounds to me like something is causing his air conditioning unit to suck air back into the house when it is running. Have him turn on his ac and open a small crack in a door or window....I’ll bet air comes in. If that is the case, his ductwork is leaking cold air into the attic and needs to be taped up.
This post was edited on 7/6/18 at 6:26 pm
Posted on 7/6/18 at 6:35 pm to Chuker
quote:
The air the AC system has lost in the attic is being made up for my being pull though the dryer vent. That moisture laden air then is condensing on the metal dryer surfaces that have been inside the cool house.
I too am going with this.
With the dryer off and the AC running, put a lit cigarette/smoke device near the outside vent and see if air is being sucked in.
Posted on 7/6/18 at 8:12 pm to Chuker
quote:
Here's my theory: After a rain the air is heavily moisture laden. The houses AC has a major supply air leak in the attic. The air the AC system has lost in the attic is being made up for my being pull though the dryer vent. That moisture laden air then is condensing on the metal dryer surfaces that have been inside the cool house.
Obviously with this theory the dryer hasn't been run for several hours or it would be warm.
This is the right explaination. We had this same problem in a rental house. Air was leaking into the house from the dryer vent. I installed one of those dryer vents is a cylinder that has a cap on it that lets the air out when the dryer is on and shuts when the dryer is off preventing warm moist air from getting into the dryer from outside.
Dryer vent
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