Dryer Vent Cleaning in Spotsylvania Courthouse, VA
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Step 1 of 3: Equipment
Cold vents make lint stick
Every load sends warm, damp air out through the vent. From December through February, nights here average 27°F, and that vent runs cold most of the time it's not in use. Warm air hits the cold walls of the duct and cools fast, and the moisture in it settles out. Lint sticks to a damp surface far more than it does to a dry one.
Over a winter that runs October through April, that buildup narrows the vent a little at a time. Airflow drops, the dryer takes longer to finish a load, and the exhaust that should leave the house doesn't fully clear.
- 27°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 is the standard most contractors work from. Lint builds up along the duct walls even when the lint trap is clean, and that buildup narrows the path air needs to escape through. A yearly cleaning keeps that path clear before it becomes a fire risk or a strain on the dryer.
- Can I clean my dryer vent myself?
- You can clean the first few feet from the back of the dryer, but a full cleaning takes a brush and rod system built to reach the whole run to the outside wall. Most vent runs have at least one bend, and lint collects hardest right at that bend, out of reach of a shop vac or a store-bought brush kit. A contractor also checks the outside vent hood while they are at it, since a flap that will not open pushes air right back into the duct.
- What are the signs of a clogged dryer vent?
- Clothes that take more than one cycle to dry, a dryer that runs hot to the touch on the outside, and little airflow at the outside vent hood when the dryer is running are the clearest signs. A burning smell or lint showing up around the dryer's edges also points to a blockage. Any of these on their own is worth checking, since a blocked vent forces the dryer to work harder every load it runs.