Dryer Vent Cleaning in Cambridge, MD
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Step 1 of 3: Equipment
Cold vents make lint stick
Your dryer pushes out warm, damp air every load. On a winter night here, when temperatures average 29°F, that air hits the cold walls of the vent and cools fast. The moisture it's carrying has somewhere to go, and the lint riding along with it sticks to those damp walls instead of blowing outside.
Over a season that runs October through April, that buildup narrows the vent. Airflow drops, loads take longer to dry, and the lint packed inside is what a vent fire needs.
- 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 is the standard rule, more often if you run the dryer for a large household load after load. Lint builds up along the length of the duct, not just in the trap, and it narrows the path the air needs to escape. A vent that runs long or has several bends collects lint faster than a short straight one.
- Can I clean my dryer vent myself?
- You can clean the first few feet from the back of the dryer, but you cannot see or reach the rest of the run. Most vents pass through walls or a ceiling before reaching the outside hood, and lint collects the whole way along, especially at bends. A contractor uses a brush and vacuum system built to clear the full length and check that the vent hood outside is opening and closing the way it should.
- 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, and a burning smell are the main ones. You might also notice little to no airflow at the outside vent hood when the dryer is running, or lint collecting around the hood itself. Any of these means air is not moving through the duct the way it should, and it is worth having the vent checked before running more loads.