How often should you clean the lint filter in your clothes dryer?

Clean your dryer's lint filter every single load, not just when it looks full.

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  1. Once a month
  2. When it looks full
  3. Every load ✔

Why: A dirty lint filter raises the chance of a dryer fire. The U.S. Fire Administration says to clean it before and after every load. The vent that carries the hot air outside needs cleaning too.

Huh, didn't know that: The vent that carries the hot air outside needs cleaning too.

The dad joke
I saw my husband trip and fall while carrying a laundry basket full of ironed clothes. I watched it all unfold.
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References

Answer: Every load. A dirty lint filter raises the chance of a dryer fire. The U.S. Fire Administration says to clean it before and after every load. The vent that carries the hot air outside needs cleaning too.

  1. U.S. Fire Administration: Clothes Dryer Fire Safety www.usfa.fema.gov/downloads/pdf/publications/clothes_dryer_fire_safety_flyer.pdf
    Clean the lint filter before and after each cycle.
    Checked 2026-10-09.
  2. National Fire Protection Association: Dryer Safety Information content.nfpa.org/-/media/Project/Storefront/Catalog/Files/Research/NFPA-Research/US-Fire-Problem/Fire-causes/oswashersdryers.pdf
    Clean lint out of the vent pipe once a year.
    Checked 2026-10-09.

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