Another crucial job that your ac unit filter does is helps to keep dust from gathering on the evaporator coil of your a/c system. It is located inside the air handler, and is one of the 4 main parts of any a/c system. The air filter is typically located somewhere just before the evaporator coil.
Any dust that passes through the filter ends up back in your living space, and can be very aggravating to allergy sufferers, and anybody else who is sensitive to dust. The filter also prevents the evaporator coil from becoming congested with dust, and decreasing the efficiency of the equipment.
This evaporator coil is very similar to the radiator in an auto. Like your car radiator, it will not have the ability to do its job without appropriate airflow. The reason Im comparing it to an automobile radiator is due to the fact that most of us know what a radiator does, but, an evaporator coil works to cool air as it passes through.
It can take months or even years for dust to build up on the fins of the evaporator coil. If your ac unit is serviced regularly, the technician will inspect this and inform you when it should be cleaned Air Conditioning Services Phoenix . If this is not done, it will lead to expensive repair work.
So the advantages of an effective ac unit filter would not only be cleaner air, but also save you money, since the air conditioning unit will perform at a greater efficiency.