If you hear rattling start by checking the screws or.
Ac fan attic rattling.
An attic fan is meant to reduce the temperature in the attic by sucking out hot air.
Most attic fans are controlled by thermostats that turn them on or off according to the temperature in the attic.
Millions of people enjoy their attic fans on a daily basis especially during summer time.
The motor or fan wheel can cause a rattling sound when your air conditioner is actively blowing air through the system.
If this is your problem remove any debris from the unit and check the fan blades for dents or dings.
The purpose of an attic fan is to lower the temperature in the attic by blowing out hot air.
Another cause could be twigs or leaves that have clogged your system.
Rattling is a common noise with air conditioners as the various fasteners throughout the machine can eventually come loose.
When air conditioning units get dirty debris can impede the fan s circulation inside the unit.
This happens when the fan doesn t receive enough air.
A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening.
The blower fan is responsible for pulling warm air from your home to be cooled then pushing that cold air back into your home.
The primary moving part on an air handler is the blower assembly a big motor with a fan.
This isn t necessarily a common symptom but it s possible.
To examine your noisy air conditioner remove the outside casing to reveal the inner part of your ac unit you will notice the fan located just in front of the coils.
Most attic fans have an in built thermostat that moderates their usage by turning them on and off depending on the temperature in the attic.
However over time the bearings in the fan motor can give out usually making a screeching sound or the fan belt can wear out causing a squealing noise.
If you have a closed off attic open a window at the other end or install one to solve this problem.
With a little practice and patience you can clean your air conditioning unit yourself.
Paul ac pro to stop the noise.
If your air conditioner is making a humming noise the culprit is likely dirt or dust.
They are most useful during summers when the attic temperature can reach upwards of 120ºf.
The electrical contractor in the equipment can also make a chattering sound which can damage other components including the compressor if allowed to continue.