An attic fan shakes or rattles when it is not getting enough air. To solve this problem, home service pros recommend installing a window at the attic, so that you can open it and allow natural air flow. Please note that the window should be installed at least 30 feet away from the fan.
I got a booking for a repair person to come the next day. Vitalii was a bit late for the appointment because he was still working another job. He quickly diagnosed the issue and happened to have the replacement part...