Dryer Vent Cleaning in Roanoke, VA
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Step 1 of 3: Equipment
Cold nights turn dryer lint into a wall of buildup
Your dryer pushes out warm, damp air every time it runs, and that air has to travel through a vent that sits in a cold space most of the year. From December through February, nights here average 29°F, and a vent that cold pulls the heat out of the exhaust fast. When that happens, moisture beads up on the inside walls of the vent, and lint sticks to it instead of blowing through to the outside.
Layer by layer, that wet lint narrows the path air can take. The dryer has to push harder to move the same load, and the vent traps more heat and moisture inside the wall it runs through.
- 29°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. Lint builds up along the length of the vent, not just in the trap, and a year of normal use is enough to narrow that path. If the dryer is used heavily, a contractor can tell you during a cleaning whether yours needs attention sooner.
- Can I clean my dryer vent myself?
- You can clean the parts you can reach, but that is usually not the whole vent. Pulling the dryer out and vacuuming the first few feet of duct, plus clearing the outside hood, helps. A full cleaning reaches the entire run with a brush built for that length, which a vacuum cannot do on its own.
- What are the signs of a clogged dryer vent?
- Clothes that take longer than one cycle to dry, or come out hot to the touch instead of just warm. The outside vent hood flap should open and move air when the dryer runs. If it barely moves, air is not getting through. A burning smell, a dryer that shuts off mid-cycle, or heavy lint around the lint trap door are also signs the vent needs attention.