Dryer Vent Cleaning in Baltimore, MD
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Cold vents make the lint stick
Your dryer pushes out warm, damp air every load. From October through April, that air is moving through a vent that sits in cold space, with winter nights here averaging 28°F. The warm air cools fast against those cold walls, and the moisture in it turns the lint damp instead of letting it blow straight through. Damp lint sticks. It builds up in layers along the inside of the vent instead of collecting loosely near the end.
A vent narrowed by that buildup makes the dryer push harder to force air out, and it gives any lint that does move less room to clear the line. The blockage sits there through the whole heating season, past the point of it clearing on its own.
- 28°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?
- Clean it once a year at minimum. Lint builds up along the whole length of the vent, not just in the trap, and that buildup is what slows airflow down over time. A contractor can also check the run more often if you notice drying times creeping up between cleanings.
- Can I clean my dryer vent myself?
- You can clean the first few feet from the back of the dryer, and that's worth doing. A vent brush kit reaches further, but most vent runs bend through a wall or up through a roof, and lint sitting past those bends needs a longer rod or a shop vac with real suction to pull out. A contractor can clean the full run and check that the vent hood outside is actually 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 all point to a clogged vent. Lint collecting around the outside vent hood is another sign, and so is the flap on that hood staying shut when the dryer runs instead of swinging open with the airflow. Any of these means air isn't moving through the vent the way it should, and that's worth having checked.