Another vital job that your air conditioner filter does is helps to keep dust from collecting on the evaporator coil of your a/c system. It is found inside the air handler, and is one of the 4 major parts of any a/c system. The air filter is usually found somewhere just before the evaporator coil.
Any dust that travels through the filter winds up back in your home, and can be really aggravating to allergy sufferers, and anyone else who is sensitive to dust. The filter also prevents the evaporator coil from becoming clogged with dust, and decreasing the efficiency of the equipment.
This evaporator coil is very similar to the radiator in a car. Like your car radiator, it will not have the ability to do its job without proper airflow. The reason Im comparing it to a vehicle radiator is due to the fact that many of us know what a radiator does, however, an evaporator coil works to cool air as it passes through Site .
It can take months or even years for dust to gather on the fins of the evaporator coil. If your air conditioner is serviced routinely, the technician will inspect this and inform you when it has to be cleaned. If this is not done, it will lead to pricey repairs.
So the benefits of an efficient air conditioner filter would not only be cleaner air, but also save you money, since the air conditioning unit will work at a greater efficiency.