Dryer Vent Cleaning in Arlington, VA
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Cold vents make lint stick
Your dryer pushes out warm, damp air every time it runs. On a night near 29°F, that air hits the cold walls of the vent and cools fast, and the moisture in it turns to damp lint instead of blowing clear outside. That damp lint clings to the inside of the duct rather than traveling the rest of the way out.
Winter here runs October through April, seven months where the vent stays cold most of the time the dryer is working. Each load adds a little more lint to what is already stuck there. As the buildup grows, the dryer has to push harder to move air through a narrowing path, and less of the moisture and heat actually makes it outside.
- 29°F
- the average winter night, and cold vents catch damp lint
- 7 months
- October through April, the vent stays cold
NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year is the usual guidance for most households. A vent that runs long or has several bends collects lint at each turn, so those need attention more often than a short, straight run. A contractor can look at your setup and tell you what makes sense for it.
- Can I clean my dryer vent myself?
- You can clean the lint trap and the first few feet of vent yourself, but most of the run is harder to reach. The duct usually travels through a wall or the attic before it reaches the outside hood, and lint collects at every bend along the way. A shop vac and a brush at the accessible ends will not reach that far, which is why a full cleaning usually means running a rod or cable the whole length of the duct.
- What are the signs of a clogged dryer vent?
- Clothes coming out hot to the touch but still damp after a full cycle is the clearest sign. Others include a musty smell in the laundry room, the outside vent hood flap barely moving or not opening when the dryer runs, and lint gathering around the hood itself. If drying times have crept up over several months, that points to lint building up somewhere in the duct.