Dryer Vent Cleaning in Cambridge, MA
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Step 1 of 3: Equipment
Cold vents make lint stick
Your dryer pushes out warm, damp air. Once that air hits the cold vent run, in a Cambridge winter that can mean nights near 19 degrees, it cools fast, and the moisture in it has somewhere to go. Lint sticks to a damp wall instead of blowing straight through, and the buildup grows from there.
With eight months of heating season here, that vent stays cold most of the year. A vent that's narrowed by lint pushes moist air back toward the house instead of outside, and a blocked one gives a dryer nowhere to vent at all.
- 19°F
- the average winter night, and cold vents catch damp lint
- 8 months
- October through May, the vent stays cold
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NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year for most households. If you dry clothes for a large family or run the dryer almost every day, check it more often, since more loads push more lint through the duct. Lint builds up along the inside of the vent pipe even when the lint trap is clean, and that buildup is what a yearly cleaning removes.
- Can I clean my dryer vent myself?
- You can clean the parts you can reach, but you likely can't clean the whole run yourself. Pulling the dryer out and vacuuming the first few feet of duct, plus clearing the outside vent hood, is worth doing between professional cleanings. The rest of the duct runs through the wall or ceiling to the outside, often with bends, and reaching lint packed in there takes a rod and brush system built for the job. A contractor can also check that the vent hood flap opens and closes the way it should, which matters through Cambridge winters when it needs to seal against cold air.
- What are the signs of a clogged dryer vent?
- Clothes that take longer than one cycle to dry, or come out hotter than usual, are the first sign. A burning smell while the dryer runs, a dryer that shuts off partway through a cycle, or noticeably less airflow at the outside vent hood are others. Check the vent hood outside too. If the flap barely moves when the dryer is on, air isn't getting through the way it should.