Need HVAC Filters, Find Them in Naperville

Air filters that are used in your home’s HVAC equipment are important, but often overlooked. To many homeowners in Naperville, the air filter looks like little a cardboard frame holding pleated material or fiber but are extremely important to your home’s air quality.

Air filters have a direct effect on your home’s indoor comfort and the performance of your heating and cooling system.

The Function of an Air Filter

Conventional air filters are usually made from heavy pleated paper, spun fiberglass, or cloth. The filter material is encased in a cardboard frame. The function of the filter is to clean the air circulating through the HVAC system. The filter material traps airborne particulates and contaminants that can affect the health and comfort of people living in the home. Filters trap dust, dirt, pollen, mold spores, bacteria, airborne lint, and more.

The filter is usually located on the return-air side of the system. As air is returned to the HVAC unit, it is cleaned, ready for redistribution throughout the system.

Air Filter Maintenance

The air used to heat or cool the interior of a home passes through the air filter located in the HVAC unit. It is important that the filter is kept clean.

  • Clogged air filters are the primary source of HVAC system malfunctions. In extreme cases, equipment can be severely damaged.
  • Clogged filters reduce system airflow, causing equipment to work harder and fail earlier.
  • Clogged filters are inefficient. They do not remove particulates and contaminants effectively.

During both the heating and cooling seasons, check the filter every month. When filters become dirty and clogged, clean them, or replace them. The best way to determine the condition of the filter is to hold it up to a light. If you cannot see through the filter, it is time for a new one.

Premium air filters are available in Naperville from Air-Rite Heating & Cooling. For full information on filter availability, visit

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