A white hooded exhaust vent cap mounted on gray vinyl lap siding.

Dryer Vent Cleaning in Albany, NY

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It takes about a minute.

Step 1 of 3: Equipment
A white plastic dryer or bathroom exhaust vent hood mounted on gray horizontal lap siding.

Cold vents make lint stick

Your dryer pushes out warm, damp air, and that air has to travel through a vent that runs through cold space before it reaches outside. On a winter night here that averages 17°F, the air cools fast once it hits the vent wall. That moisture doesn't just disappear. It settles, and the lint riding along with it sticks instead of blowing through to the outdoors.

That pattern repeats for eight months, October through May, every time the heat is on and the dryer runs. Lint builds up layer on layer along the damp walls of the vent, narrowing the path the air has to take.

17°F
the average winter night, and cold vents catch damp lint
8 months
October through May, the vent stays cold
Line illustration of a front-loading dryer on a platform, connected by a flexible corrugated duct 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 is enough for most households. Lint builds up along the whole vent run, not just in the trap, and cleaning it yearly keeps that buildup from restricting airflow. If you notice clothes drying slower than they used to, don't wait for the year mark. Get it checked sooner.
Can I clean my dryer vent myself?
You can clean the parts you can reach, but that's usually not the whole vent. Pulling the dryer out to vacuum the first few feet of duct and clearing the outside hood does help. But most vent runs bend through a wall or run a long stretch to the outside, further than a household vacuum and brush can reach. If your run is short and straight, doing it yourself can be enough. If you've never checked it, or the dryer is taking longer to dry clothes than it used to, that's a sign lint has built up further down the line than you can get to.
What are the signs of a clogged dryer vent?
Clothes taking more than one cycle to dry is the clearest sign. You might also notice the dryer running hotter than usual, a burning smell, or the room warming up more than it should while it runs. Outside, hold your hand near the vent hood while the dryer is going. Weak airflow or a hood flap that barely moves means the vent is restricted and it's worth having it checked.