How to clean car air vents

Written by april dowling
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How to clean car air vents
Car air vents should be cleaned to remove odours. (car heater vent image by robert mobley from

Cigarette smoke, dirt accumulation, mould, and other residue can thrive in car vents, causing foul odours. Odours in air vents can cause those riding in the car to feel nauseous, so air vents should be cleaned promptly. Car air vents should also be cleaned regularly to prevent dust, mould, and bacteria from accumulating. Basic cleaning materials can be used to clean car air vents and improve the air quality in the car.

Skill level:

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Things you need

  • Cotton swab
  • Window cleaner
  • 1/2 cup white vinegar
  • 1/2 cup water
  • Bowl
  • Toothbrush
  • Pressurised air
  • Silicone spray
  • Micro-fibre cloth

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  1. 1

    Make sure the car is off and the car doors are open. Dip a cotton swab in window cleaner, and then rub the cotton swab over the slats of the vents.

  2. 2

    Pour 1/2 cup of white vinegar and 1/2 cup of water in a bowl. Dip a toothbrush into the solution, and then rub the toothbrush inside the air vents.

  3. 3

    Remove built-up dust and residue from unreachable crevices by spraying pressurised air into the vents. The pressurised air will blow out any remaining dust, mould, bacteria from the vents.

  4. 4

    Apply silicone spray to a micro-fibre cloth. Wipe the vents with the micro-fibre cloth to protect the vents from dust accumulation.

Tips and warnings

  • Soap can be used instead of white vinegar.

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