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A white hooded exhaust vent with a louvered grille mounted on gray vinyl siding.

Dryer Vent Cleaning in Kent, OH

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Step 1 of 3: Equipment
A white louvered exhaust vent cap mounted on gray vinyl house siding.

Cold vents make lint stick

Your dryer pushes out warm, damp air every load. On a night near 21°F that air hits the cold walls of the vent and cools fast, and the moisture in it makes lint stick instead of blowing through to the outside. Over a winter that runs October through May, the buildup narrows the vent a little at a time.

A vent that cannot push air out fully backs up into the duct and the dryer itself. That means longer dry times, a dryer that runs hotter than it should, and lint sitting where it can catch fire.

21°F
the average winter night, and cold vents catch damp lint
8 months
October through May, the vent stays cold
Isometric line illustration of a front-loading dryer with a flexible duct running from its top to a wall vent hood.
Your vent runs coldest from November through March.

NOAA nClimDiv, 1991–2020 normals

How often should a dryer vent be cleaned?
Once a year for most households. If you run a lot of loads, if you have a longer duct run to the outside, or if a pet sheds a lot in the house, clean it more often than that. The lint builds up along the inside of the duct even when the lint trap looks clean, because the trap only catches a portion of what comes off each load.
Can I clean my dryer vent myself?
You can clean the part you can reach, but that is usually not the whole job. Pulling the dryer out and vacuuming the first few feet of duct, plus clearing the vent hood outside, catches some of the lint. What it misses is buildup further down the duct, especially where it bends or runs a long distance to the wall or roof, which needs a brush and rod set built for the length of the run.
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 on the outside, a burning smell, and less airflow coming from the vent hood outside when the dryer is running. Lint gathering around the lint trap door or behind the dryer is another sign. Any of these on their own is worth checking, and a contractor can clear the duct and confirm nothing is blocking the vent hood outside.