Dryer Vent Cleaning in West Bend, WI
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Step 1 of 3: Equipment
Cold vents make lint stick
Your dryer pushes out warm, damp air every time it runs. Once that air hits a vent run sitting in a cold attic or against an outside wall, it cools fast. The moisture in it condenses on the vent walls, and lint sticks to the damp metal instead of blowing outside.
With winter nights here averaging 14°F from December through February, that cooling happens fast and it happens for eight months straight, October through May. Layer by layer, the vent narrows. Airflow drops, the dryer runs hotter and longer to do the same job, and the lint sitting in that vent is what a dryer fire needs to start.
- 14°F
- the average winter night, and cold vents catch damp lint
- 8 months
- October through May, the vent stays cold
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NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year keeps a dryer vent clear for most households. Lint builds up along the whole length of the duct, not just in the trap, and a year gives it time to narrow the airflow enough that you'd notice the dryer running longer than it used to. If drying times are already stretching out, don't wait for the year mark. Have it checked sooner.
- Can I clean my dryer vent myself?
- You can clean the first few feet near the machine yourself, but the rest of the run is hard to reach without the right brush and rod. Pull the dryer out, disconnect the duct, and clear out what you can see. The vent hood outside and any bends in the line usually need a longer brush than what's sold for home use, and a contractor has both the tools and a way to check the full length is actually clear.
- What are the signs of a clogged dryer vent?
- Clothes that take longer than usual to dry is the clearest sign. A dryer that runs hot to the touch on the outside, less air coming out of the vent hood than you remember, and lint gathering around the trap door are also signs worth checking. If the outside vent flap isn't opening fully while the dryer runs, that points to a blockage further down the line, and it's worth having the full duct checked rather than just the trap.