Can I Clean My Dryer Vent Myself? DIY vs. Pro

Short answer: Yes, you can clean a short, straight dryer vent yourself with a brush kit from the hardware store; the National Fire Protection Association says to clean the vent pipe once a year or have a lint removal service do it. A DIY kit works best on a run of a few feet straight out a wall. Long runs, several bends, roof vents, crushed duct or a vent that keeps clogging are where a professional cleaning makes sense.

Rotary brush used to clean a dryer vent line

DIY kit vs. professional dryer vent cleaning

Situation	DIY kit	Professional
Short, straight run out a wall	Usually fine	Optional
Long run or several bends	Brush may not reach or get through the elbows	Cleans the full run
Roof vent	Means getting on the roof	Recommended
Crushed, plastic or foil duct	Cleaning won’t fix it	Needs repair or replacement
Vent keeps clogging or “Check Vent” light stays on	Something is still blocked	Camera inspection finds what’s left

How to clean a dryer vent yourself

Unplug the dryer and pull it away from the wall. On a gas dryer, shut the gas valve and move the dryer gently so you don’t kink or strain the gas line; if you smell gas, stop and call a pro.
Disconnect the hose from the back of the dryer and from the wall.
Vacuum the dryer outlet and the hose.
Run the brush through the duct from inside, a few feet at a time, pulling lint back toward you. If your kit runs on a drill, keep the drill on forward (clockwise) at low speed the whole time; reverse can unscrew the rods and leave the brush stuck in the duct. Don’t spin a brush through thin foil or plastic hose; it tears. Replace that hose instead.
Clean from the outside too: take off the hood cover if you can, brush back toward the house, and make sure the flap opens and isn’t blocked by snow.
Reconnect everything without crushing the hose, and seal the joints with foil tape, not screws, which stick into the duct and catch lint.
Run the dryer and check outside for strong airflow at the hood.

Do it at least once a year (see how often to clean your dryer vent).

Where DIY dryer vent cleaning goes wrong

Pushing lint deeper instead of pulling it out, so it packs at a bend or at the hood.
Pulling joints apart inside a wall or ceiling where you can’t see them.
Brushes that can’t make the turns, so only the first part of the line gets cleaned.
Roof vents, which mean working on a roof.
Crushing the hose when the dryer goes back against the wall.

What a professional cleaning adds

We’ve cleaned more than 1,100 dryer vents, and the job is always the full run, from the dryer to the outside hood. Every line is camera-inspected end to end, so you can see it’s clear, and our crews wear boot covers inside your home. On our yearly plan, every cleaning after the first is $50 less. If the camera shows crushed, plastic or foil duct, you’ll see it too.

Frequently asked questions