Dryer Vent Cleaning in South Bend, IN
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Cold vents make lint stick
Your dryer pushes out warm, damp air, and that air has to travel through a vent that sits in a cold house for eight months of the year, October through May. On a night that averages 20°F, the outside run of that vent is cold enough to pull the heat out of the air moving through it fast. When warm exhaust hits those cold walls it cools down quick, and the moisture in it beads up on the metal. Lint doesn't just blow through and out anymore. It sticks.
That buildup narrows the vent a little at a time. A dryer that has to push air through a narrowing pipe runs longer to dry the same load, and the lint sitting in a damp vent is the kind of thing that should not be left alone.
- 20°F
- the average winter night, and cold vents catch damp lint
- 8 months
- October through May, the vent stays cold
NOAA nClimDiv, 1991–2020 normals
- How often should a dryer vent be cleaned?
- Once a year for most households. Lint builds up in the vent with regular use, and once a year keeps it from turning into a real blockage. A vent that's long, or has a lot of bends getting from the dryer to the outside wall, will collect lint faster than a short straight one, so that's worth keeping in mind.
- Can I clean my dryer vent myself?
- You can clean the part you can reach, but you won't get the whole vent this way. A vacuum and a brush at the wall opening will pull out what's sitting near the outlet, and that's worth doing between full cleanings. The full length of the vent, especially where it runs through the wall or up to the roof, takes a rod system or a truck-mounted vacuum to clear properly, and a contractor has both.
- 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 when it's running. Check the outside vent hood too. If the flap barely opens when the dryer is on, or you don't feel much airflow with your hand near it, that's lint blocking the line. A weak flap and long dry times together mean it's time to have the vent cleared.