The primary moving part on an air handler is the blower assembly a big motor with a fan.
Ac fan attic rattling.
No reason to fret though.
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.
This isn t necessarily a common symptom but it s possible.
Paul ac pro to stop the noise.
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.
Rattling is a common noise with air conditioners as the various fasteners throughout the machine can eventually come loose.
If your air conditioner is making a humming noise the culprit is likely dirt or dust.
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.
They are most useful during summers when the attic temperature can reach upwards of 120ºf.
When air conditioning units get dirty debris can impede the fan s circulation inside the unit.
Attic fans rattling and shaking are quite common and it s a problem faced by many homeowners who have fans.
If you hear rattling start by checking the screws or.
This happens when the fan doesn t receive enough air.
With a little practice and patience you can clean your air conditioning unit yourself.
The purpose of an attic fan is to lower the temperature in the attic by blowing out hot air.
This can result in a loud humming noise.
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.
If this is your problem remove any debris from the unit and check the fan blades for dents or dings.
Another cause could be twigs or leaves that have clogged your system.
The blower fan is responsible for pulling warm air from your home to be cooled then pushing that cold air back into your home.
Most attic fans are controlled by thermostats that turn them on or off according to the temperature in the attic.
A rattling noise can mean that your air conditioner is starting to deteriorate and some of its parts are loosening.