Attic Vent Making Noise
If the fan makes a constant metal clanking noise in all probability the fan blades are imbalanced.
Attic vent making noise. This will give the fan the airflow it needs. And there is no exception with the attic fans as well. Due to excessive pressure or sudden strikes these blades might get bent or damaged. The vent hood ducts through a rigid or flexible pipe to a cap on the roof or side of your home.
A loose attic vent or shutter on a window can make a banging noise in the wind. If you have a closed off attic open a window at the other end or install one to solve this problem. A loose shutter on an attic window or loosened attic vents can cause a banging sound if it s windy as can branches hitting the roof. Heating ducts as they cool also make banging noises as do.
This is something that. If the noise drives you crazy new spring loaded backdraft dampers 9 to 30 depending on the size should solve the problem. If so the rotating blade will create some noise and the airflow outcome won t be as expected also. Attic fans rattling and shaking are quite common and it s a problem faced by many homeowners who have fans.
This happens when the fan doesn t receive enough air. Blade is made of thin metal sheets in most of the household fans. Often a stiff wind will open vent dampers causing them to periodically clang shut. Air passing through ducts and radiators can sometimes create a loud noise as can water passing through pipes.