Ac Fan Attic Rattling

Remove the current worn out bearings and replace them.

Ac fan attic rattling. Rattling caused by the fan within the ac unit could be from the blades themselves can becoming loose especially in older ac models. This happens when the fan doesn t receive enough air. The electrical contractor in the equipment can also make a chattering sound which can damage other components including the compressor if allowed to continue. The motor or fan wheel can cause a rattling sound when your air conditioner is actively blowing air through the system.

A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening. Attic fans rattling and shaking are quite common and it s a problem faced by many homeowners who have fans. Rattling from ac or duct again not very serious likely a loose panel in need of tightening or a loose ac duct. Attic fans also have small ball bearings that help lubricate the fan s movement.

This will give the fan the airflow it needs. Due to regular wear and tear these bearings can become worn out or lose their lubrication ability. If the fan is misaligned due to debris or age it will progressively get worse and eventually cause the fan to stop functioning. If you hear rattling start by checking the screws or.

This can cause the fan to start making constant noise and in some cases even a loud squealing sound. If you have a closed off attic open a window at the other end or install one to solve this problem. Another cause could be twigs or leaves that have clogged your system. Luckily fan blades are easily replaceable.

The air handler might also pick up a rattling sound from the outdoor condenser unit.