Dryer Vent Cleaning in Crossville, TN
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Step 1 of 3: Equipment
Cold vents make lint stick
Your dryer pushes out warm, damp air every time it runs. From October through April, that air moves through a vent sitting in cold space, with winter nights here averaging 29°F. The warm air cools fast against the cold metal, and the moisture in it gives lint something to stick to instead of blowing straight through.
Once lint sticks, more lint catches on it. The vent narrows a little at a time, and the dryer has to work harder to push air through it. That buildup does not clear itself out. It stays through the winter, and it is still there when the weather turns.
- 29°F
- the average winter night, and cold vents catch damp lint
- 7 months
- October through April, 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, more often if you dry a lot of loads or have a long vent run. Lint builds up inside the duct even when the lint trap looks clean, because the trap only catches what passes close to it. A vent that runs longer than the usual straight shot to the outside wall, or has a few bends in it, will trap more lint along the way and is worth checking more than once a year.
- Can I clean my dryer vent myself?
- You can clean the first few feet from the dryer and the hood on the outside wall yourself. A vent brush kit reaches further than a vacuum alone, and clearing the outside hood of lint and debris is worth doing on its own. But most of the duct runs inside the wall or through the attic, where you cannot see whether it is actually clear, and a contractor has the tools to clean and check the full run in one visit.
- What are the signs of a clogged dryer vent?
- Clothes taking more than one cycle to dry is the clearest sign. Others include the dryer running hotter than usual, a burning smell, the outside vent hood barely moving air when the dryer runs, and lint collecting around the door or the hood itself. Any one of these on its own is worth a look, and a dryer that shows more than one of them should not wait.