Dryer Vent Cleaning in Chapel Hill, NC
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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. That air has to travel through a vent that sits in cold space, in the wall or up through the attic. From December through February, nights here average 31°F, and the vent is just as cold. The warm air cools fast inside it, and the moisture in that air makes the lint cling to the vent walls instead of blowing straight out.
Over time that buildup narrows the path the air has to take. A dryer working against a partly blocked vent runs hotter and takes longer to dry a load, and the lint sitting in there is what a vent cleaning removes.
- 31°F
- the average winter night, and cold vents catch damp lint
- 7 months
- October through April, the vent stays cold
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NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year for most households. If you dry more than a few loads a day, or your vent run is long or has several bends, clean it more often. Lint builds up along the way, not just in the trap, and that buildup is what slows the dryer down and turns into a fire risk.
- Can I clean my dryer vent myself?
- You can clean the parts you can reach, but you likely can't clean the whole vent yourself. Pulling the dryer out and vacuuming the first few feet of duct and the outside hood helps, and it's worth doing between full cleanings. The lint further down the line needs a rod and brush system built to reach it, and a vent that runs any real distance or through a wall needs that kind of tool to get clean.
- What are the signs of a clogged dryer vent?
- Clothes that take longer to dry than they used to, or come out hot to the touch and still damp. The dryer's outer casing running hotter than normal is another sign. Check the outside vent hood too. If the flap barely moves or you feel little airflow when the dryer is running, lint is blocking the path.