Maintenance Guides / Garage & Systems

Clean and service garage exhaust fan

Difficulty: moderateTime: 60 mins

Why it matters

Greasy dust on exhaust fan blades from vehicle exhaust and engine work is a fire hazard. Clogged fans also reduce exhaust capacity, allowing fumes (including carbon monoxide) to accumulate in the garage.

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How to do it

  • 1

    Turn off power to garage exhaust fan at breaker or wall switch

  • 2

    Allow motor to coast to complete stop

  • 3

    Inspect fan blade for grease and dust accumulation

  • 4

    Remove fan blade if heavily soiled and soak in degreaser solution for 15-30 minutes

  • 5

    Scrub blade with brush and rinse; allow to dry completely before reinstalling

  • 6

    Clean motor housing and ductwork with damp cloth and degreaser wipes