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Improve Indoor Air Quality With Your AC System

How to Improve Indoor Air Quality with Your AC System

June 19, 2024

Indoor air quality (IAQ) is more crucial than many homeowners realize. Since most of us spend a significant amount of time indoors, the air we breathe can have a major impact on both our health and well-being.

Poor indoor air quality can cause a variety of health issues, including respiratory problems, allergies, and even chronic illnesses, from irritating allergens like dust and pollen to more harmful pollutants such as mold spores and volatile organic compounds (VOCs).

But there’s good news—your air conditioning (AC) system can play an important role in maintaining and improving the IAQ in your home. Read on to discover how you can leverage your AC system to ensure that the air in your home is as clean and healthy as possible.

1. Role of AC in Maintaining Air Quality

Air Circulation

One of the primary functions of an AC system is to circulate air throughout your home through a series of ducts and vents. This continuous air movement prevents the stagnation that allows pollutants to build up in corners and crevices. By constantly circulating air, your AC helps to dilute and remove indoor pollutants, ensuring a fresher environment.

Moreover, effective air circulation can help maintain a balanced indoor climate, preventing hot or cold spots that may exacerbate respiratory conditions.


The filtration component of your AC system is equally important. AC filters are designed to trap dust, pollen, pet dander, and other airborne particles, significantly reducing the amount of these irritants in your indoor air.

Different types of filters provide varying levels of filtration:

HEPA Filters: High-efficiency particulate air (HEPA) filters can capture up to 99.97% of particles as small as 0.3 microns.

Electrostatic Filters: This type of filter utilizes static electricity to attract and hold particles, making them highly effective at capturing smaller pollutants.

Activated Carbon Filters: Ideal for removing odors and VOCs, activated carbon filters absorb gases and chemicals, providing another layer of air purification.

2. Importance of Regular Filter Changes

Efficiency and Performance

A clean filter is essential for your AC system to operate efficiently. When air filters are clogged with debris and dirt, your AC unit will have to work harder to push the air through, leading to increased energy consumption and reduced cooling performance. People who don’t regularly change their air filters can expect a significant decrease in their AC system’s energy efficiency.

This lack of maintenance causes the unit to work harder, which can lead to the need for more frequent repairs and breakdowns. Regularly changing your filters ensures your system runs smoothly, efficiently, and cost-effectively.

Health Benefits

Clean filters are also vital for maintaining good indoor air quality. Regularly replacing your filters can effectively remove allergens and reduce respiratory issues for your household members. Moreover, clean filters prevent the growth and spread of mold, which can be particularly harmful to those with asthma or allergies.

Maintenance Tips

Frequency: It’s generally recommended to change your AC filters every 1-3 months. This will depend on the level of usage and the type of filter.

Signs of Replacement: If you notice reduced airflow, increased dust buildup, or a noticeable decline in cooling performance, it’s likely time to replace your filter.

Choosing the Right Filter: Consult your AC unit’s manual or a professional to determine the best filter type for your system to ensure optimal performance and air quality.

Additional Air Quality Solutions

Air Purifiers

Air purifiers provide an extra layer of air quality improvement. Types of air purifiers include:

UV Purifiers: Use ultraviolet light to kill bacteria and viruses.

Ionizers: Release charged ions that attach to pollutants, making them easier to filter out.

A professional can integrate these devices into your existing AC system or use them as standalone units.

Air purifiers provide great benefits to your home’s indoor air quality by eliminating the following:

Bacteria- Bacteria in the air can cause illnesses and infections, especially for those in your household with weakened immune systems.

Viruses – Airborne viruses like the flu or cold can easily spread in homes with poor indoor air quality.

VOCs- These harmful chemicals are commonly found in household products like cleaning supplies and can cause respiratory irritation and long-term health issues.


Controlling humidity levels is critical for preventing mold growth and reducing dust mites—both common indoor air pollutants. High humidity is an ideal breeding ground for mold, severely impacting your health. Using a dehumidifier in conjunction with your AC system can maintain optimal humidity levels and improve overall air quality.

Ventilation Systems

Proper ventilation is critical to maintaining a great IAQ. Energy recovery ventilators (ERVs) and heat recovery ventilators (HRVs) can help introduce fresh air into your home while exhausting stale air, improving overall air quality. These systems can be integrated with your existing AC setup to provide continuous ventilation without compromising energy efficiency.

Regular AC Maintenance

Routine professional maintenance of your AC system is essential for maintaining its performance and the air quality in your home. Experienced technicians can clean critical components like coils and ducts, ensuring your system operates efficiently and does not circulate pollutants.

Regular maintenance checks can also identify and address any issues before they become significant problems, providing long-term benefits for your HVAC system and home’s air quality.

Maintain Your Indoor Air Quality for Health and Comfort

Maintaining optimal indoor air quality is critical for your health and comfort, and your AC system can be a powerful ally in this endeavor. You can significantly improve indoor air by understanding the role of air circulation and filtration, regularly changing filters, and integrating additional air quality solutions.

Better indoor air quality has health benefits and overall comfort improvements that cannot be overstated. A cleaner, healthier home environment awaits you.

Call Jacob Heating & Cooling Today to Learn More! 

Ready to improve your indoor air quality? Contact Jacob Heating and Cooling today for expert advice and personalized air quality solutions. Visit our website or call us directly to schedule maintenance or a free air quality assessment.

Remember to ask about our special offers and discounts on air-quality products and services. Breathe better, live better—with Jacob Heating and Cooling.






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