Breathe Easier: The Importance of Changing Air Filters as part of Allergy Prevention

Marie Moe
Feb 21, 2024By Marie Moe

Allergies can be a real nuisance, especially when they are triggered by common indoor pollutants like dust, pet dander, and mold spores. If you or your loved ones suffer from allergies, one simple yet often overlooked solution to alleviate symptoms is regularly changing the air filters in your home.

brown and white concrete house under blue sky during daytime

The Importance of Clean Air Filters

Changing your air filters on a regular basis is crucial for maintaining good indoor air quality and preventing allergens from circulating in your home. Air filters trap particles like dust, pollen, and pet hair, preventing them from being recirculated by your HVAC system. Over time, these filters can become clogged, reducing their effectiveness and allowing allergens to build up in your home.

How Often Should You Change Your Air Filters?

For optimal allergy prevention, it is recommended to change your air filters every 60-90 days. However, if you have pets or allergies, you may need to change them more frequently, every 30-45 days, to maintain clean indoor air.

air filter replacement

Choosing the Right Air Filters

When selecting air filters for your home, look for high-efficiency particulate air (HEPA) filters, as they are designed to capture smaller particles like allergens and pollutants. Additionally, consider the MERV (Minimum Efficiency Reporting Value) rating of the filter, with higher ratings indicating better filtration capabilities.

DIY vs. Professional Maintenance

While changing air filters is a simple task that can be done by homeowners, consider scheduling regular HVAC maintenance with a professional to ensure your system is running efficiently and effectively. A professional technician can also identify any issues with your HVAC system that may be contributing to poor indoor air quality.

hvac maintenance

Benefits of Changing Air Filters

Regularly changing your air filters can have a positive impact on your health and well-being. By reducing the presence of allergens in your home, you may experience fewer allergy symptoms, improved respiratory health, and better overall indoor air quality.

Don't Forget the Air Ducts

In addition to changing air filters, consider having your air ducts cleaned periodically to remove dust, mold, and other contaminants that can accumulate over time. Clean air ducts can further enhance the quality of the air circulating in your home.

clean air ducts


Preventing allergies starts with maintaining clean indoor air, and changing your air filters is a simple yet effective way to achieve this. By staying proactive about filter maintenance and indoor air quality, you can create a healthier environment for you and your family to breathe easier and enjoy a more comfortable living space.