The only reason that people vent dryers into water is to contain the lint so it doesn t fly.
Dryer vent condensation attic.
The sheet metal duct is cooled by the outside air in the attic.
Some areas have laws restricting dryer vents to be hooked up through an attic as it increases the chances of a fire.
If your dryer is vented into a garage or through an attic condensation will be more of an issue.
When metal vent pipes aren t insulated the ambient air cools the metal which condenses the moist air inside the pipe this condensation can leak through the joints in the pipe and collect in the walls or ceiling or the water can run all the way back to the dryer and show up as a puddle under the unit.
Federal building codes for dryer vents and ducts.
A vertical dryer vent is typically a problem because it acts as a moisture condenser.
When a dryer is in operation it s removing moisture and lint and venting it to the outside.
Another common problem with vent pipes is condensation.
When venting dryers for long distances use rigid metal pipe with as few elbows as possible.
The hot moist air that is exhausted by the dryer has nowhere to go.
A blocked vent is a common cause for dryer vent leaks.
If venting outside isn t an option you can vent the dryer out of the attic through the roof using a special roof vent to keep rain out.
However this connection is sometimes the only option in older homes.
The warm moist air inside the vent tends to.
As a result it could condense and result in a water leak.
This causes the steam from your.
This creates a blockage in the pipe blocking the flow of air.
Be careful you don t cut through any studs electrical wires or pipes in the process.
Considering that back pressure higher than 6 wci is generally recognized as inefficient you can see that venting through the roof with non dryer specific vents is immediately problematic.
Stray lint and fabric may accumulate in the vent over time.
Against an outside wall.
Most home inspectors in the united states when citing regulations pertaining to dryer venting refer to the international residential code.
The less back pressure is created by the roof vent the more efficiently the system performs.