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Home / Blogs / Why It’s Important to Change Your AC Filter
Jul26
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Why It’s Important to Change Your AC Filter

Why It’s Important to Change Your AC Filter

We expect our heating, ventilation and air conditioning systems to work efficiently and without fail to keep our indoor environment pleasant. When an HVAC unit stops working during the humid summers or cold winters in northeastern Illinois, we notice. The number one reason an air conditioner stops working is because of a clogged filter. Changing the filter regularly is an important part of annual HVAC maintenance. Tune-ups examine and adjust all elements of a system. A well-maintained system requires fewer repairs.

What AC Filters Do

HVAC filters trap airborne particulates and keep them from entering the system. When a filter becomes clogged with dust, animal dander, hair, pollen and other airborne particulates, it stops functioning properly. These pollutants can enter the HVAC system, clinging to ducts and coating coils. Eventually, they enter the living space and affect the air you breathe.

Filters should be cleaned or replaced according to manufacturer’s directions, generally about every three months. If you live in a dusty area or a region with poor air quality, filters should be changed more often.

Improve Energy Efficiency

For coils to function properly, air must flow freely over them. This airflow is important for heat exchange. When pollutants settle on coils, the compressor must work harder, reducing efficiency. Eventually, the unit stops working. Clean filters can reduce energy usage by up to 15 percent.

Prevent Mold Growth

Cleaning filters regularly helps maintain good indoor air quality. AC filters may become damp from moisture in the air. The material clogging a filter can absorb this moisture, providing an excellent environment for mold growth. Mold spores are then blown into the system and the living space. Mold can trigger asthma attacks for those who suffer from asthma. It can also cause other respiratory illnesses.

About Herchenbach Mechanical

Herchenbach Mechanical has provided a full array of HVAC services in Lake County, Illinois, since 1981. We provide new installations, furnace and AC maintenance, repairs and 24-hour emergency service.

If your HVAC unit is not performing properly, it may be time for a tune-up. To find out more about the importance of seasonal maintenance, call (847) 227-1426 to speak to one of our NATE-certified service technicians.

← Home HVAC Tips You Should Know
It’s the Perfect Time of Year for a Tuneup – From AC to Heat →

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830 Magnolia Ave, Gurnee, IL 60031
(847) 227-1426
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  • Herchenbach Mechanical installed a new Carrier furnace & central air in 2004 & have kept both in excellent repair. I recommend them, and Carrier, highly.
    Mark A.
  • I have been a customer with Herchenbach Mechanical for 20 years. I am very pleased with the service I receive from them. Everyone is extremely pleasant & professional.
    Christine T.
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Herchenbach Mechanical Inc.
830 Magnolia Ave.
Gurnee, IL 60031
Phone: (847) 227-1426

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