Dryer Vent Cleaning in Vallejo, CA
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Step 1 of 3: Equipment
Cold vents catch more lint than warm ones
Every load of laundry pushes warm, damp air out through the vent. From November through April, with nights averaging 40°F, that air is cooling against cold metal the whole way out. The moisture in it condenses on the vent walls, and lint sticks to the wet surface instead of blowing through to the outside.
That buildup narrows the vent a little more with each load. Airflow drops, the dryer takes longer to dry a load, and the motor runs hotter than it should. Lint packed into a vent is also fuel, sitting right next to a heat source.
- 40°F
- the average winter night, and cold vents catch damp lint
- 6 months
- November through April, the vent stays cold
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NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- A contractor can tell you for certain once they see the length and shape of your vent run, since a long duct or one with several turns traps lint faster than a short, straight one. As a general rule, check it at least once a year and sooner if you notice clothes drying slower than they used to.
- Can I clean my dryer vent myself?
- You can clean the lint trap and the first few feet behind the dryer yourself, and you should do that between professional cleanings. But most vents run through a wall or up through the roof, and a household vacuum will not reach the lint sitting deep in that run or in the vent hood outside. A contractor uses a brush and vacuum system built to clear the full length of the duct, and they will check that the vent hood flap opens freely once they are done.
- What are the signs of a clogged dryer vent?
- Clothes that take longer than one cycle to dry, a dryer that runs hot to the touch on the outside, and a burning smell during the cycle are the main signs. You might also notice little to no airflow at the vent hood outside when the dryer is running, or lint collecting around the hood itself. Any of these on their own is worth a look, and a burning smell means shut the dryer off and have the vent checked before running it again.