Dryer Vent Cleaning in Greenfield, MA
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It takes about a minute.
Step 1 of 3: Equipment
Cold vents are where lint sticks
Your dryer pushes out warm, damp air. Once that air hits the cold part of the vent, out near the wall or the roof, it cools fast. The moisture in it turns back to water, and lint sticks to a wet wall a lot easier than it slides through a dry one.
With winter nights here averaging 17°F, that vent stays cold for most of the run. Layer by layer, the lint builds up where the air first cools, narrowing the path the exhaust has to take out of the house.
- 17°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 is the standard most manufacturers recommend. Lint builds up inside the duct every time the dryer runs, and a full year of loads is enough to narrow that path. If the vent run is long or has several bends, lint catches on those turns faster, so it is worth a look between cleanings too.
- Can I clean my dryer vent myself?
- You can clean the parts you can reach, like the lint trap and the first few feet of duct behind the dryer. Reaching the outside vent hood usually takes a rod and brush system made for the job, or a shop vac with a long hose. If the run is long, has several turns, or goes up through a roof, a contractor has the equipment to clear the whole line and check that the hood flap opens properly when the dryer runs.
- What are the signs of a clogged dryer vent?
- Clothes taking longer than one cycle to dry is the clearest sign. You might also notice the dryer feels hot on top, smell something burning while it runs, or see very little air coming out of the outside vent hood when it is on. Any one of these means air isn't moving through the duct the way it should, and it's worth having the vent checked before running the dryer again.

