How to Tell If Your Bathroom Exhaust Fan Is Actually Working

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You can tell your bathroom exhaust fan is working by simply holding a piece of toilet paper up to the vent. If the fan is running properly, the suction will hold it in place. Also, check for a noticeable reduction in steam and humidity after a hot shower, and listen for the motor humming. If the paper falls or steam lingers, your fan may need cleaning or replacement.