How To Quiet A Noisy Bathroom Exhaust Fan. This is the kind of foam I am talking about on amazon. Fans rated at 40 or above would not be described as quiet.

Turn off the power to the fan remove the grill grasp the fan and wiggle it. This in turn equals a quieter operation. Aerofan lighted bathroom exhaust fans continental fan aerofan lighted bathroom exhaust fans continental fan fix a noisy bathroom fan diy family handyman.
Dont allow any dips in the pipe where condensation could pool.
In most cases this will stop the noise. Typically youll find a bathroom fan installed near the tub or shower the main source of a bathrooms moisture. Fans rated 10 to 20 are also very quiet. If its already installed and super noisy your bathroom fan might need a little screw tightening.

