1Disconnect the duct
Loosen the clamp and pull the duct off the dryer outlet.
FREE REPAIR GUIDE
How to Clean a Dryer Vent
Clean your dryer vent duct to dry clothes faster and prevent dryer fires. Kit, steps and how often.
DIFFICULTYEasy
ESTIMATED TIME30–60 min
TOOLSVent brush kit, screwdriver, vacuum
POTENTIAL SAVINGS$100–150Labour estimate · varies
Know what you’re replacing.
Lint builds up in the duct between your dryer and the outside wall. A clogged vent makes drying take twice as long and is a leading cause of house fires. Clean it at least once a year.
What you’ll need.
Dryer vent cleaning brush kitFlexible rods that connect to a drill · ~$25
View on Amazon →
Foil-tape & clampsTo reseal connections · ~$10
View on Amazon →As an Amazon Associate, RepairAI may earn from qualifying purchases. Check that parts fit your exact model before buying.
A little preparation first.
- Unplug the dryer. For gas dryers, shut off the gas and be careful not to stress the gas line.
- Pull the dryer away from the wall gently.
One step at a time.
2Vacuum the outlet
Vacuum lint from the dryer's outlet and the lint screen housing.
3Brush the duct
Push the brush through the duct, rotating it, from inside and from the outside vent if you can reach.
4Clean the outside flap
Outside, clear lint from the vent hood and make sure the flap opens freely.
5Reconnect and test
Reconnect without kinks, clamp it, and run the dryer — you should feel strong airflow outside.
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Troubleshooting
Still slow dryingDuct may be too long or crushed behind the dryer; replace with rigid or semi-rigid duct.Bird nest in the ventRemove it and fit a vent guard.Dryer not heating at allSee our dryer not heating guide.
FAQ
How often?Once a year, more for big households.Plastic duct OK?No — use metal (rigid or semi-rigid) duct.
General guidance only. Turn off power, water or gas before you work and follow the manufacturer’s instructions; if unsure, call a qualified professional.