Are Your HVAC Filters Getting Dirty Too Quickly?

Apr 11, 2023 | HVAC

Living in Phoenix, AZ, brings sweltering summers and intense heat. For you to stay comfortable indoors when temperatures are soaring outside, your HVAC system needs to remain functional and effective. One of the essential chores you must do each season to have a well-functioning system is to change your air filters. However, there may be times when you notice that you have to do this a lot more than usual. If this sounds like a familiar situation for you, read on for some potential causes for your extra-dirty air filter, as well as solutions for keeping your filter clean for longer. 

HVAC Filters Getting Dirty

Causes of Dirty HVAC Filters

There can be multiple reasons why air filters get clogged quickly. Some of the more common ones include:

  • Poor Maintenance. Regular maintenance is key to prolonging the life of your HVAC system. A company that offers heating and air conditioning services should come at least once a year to inspect your unit and identify any underlying issues that could be causing extra dust and debris in your HVAC filter.
  • Poor Quality Filters. Cheap, low-quality filters can easily become blocked with dust after just a few days of use. If you want to ensure that your filter stays clean as long as possible, invest in good quality filters from certified suppliers.
  • Poor Air Quality. Living in a cluttered area or one with industrial works nearby can diminish indoor air quality, which could explain why your HVAC filters are always clogged. Dust and pollen tend to act like magnets when they get caught in the airflow of an AC unit as it travels through vents within your home. 


Thankfully, there are several efficient solutions to the problem of HVAC filters that get dirty too quickly.

  • Regular Maintenance. Ensure that your air conditioner is serviced by professional heating repair specialists at least once a year. The use of the right refrigerant or gas will help it run more efficiently, as well as eliminate any dust and debris in circulation. 
  • Upgrade to High-Quality Filters. Consider switching to higher-quality filters. They may be costly upfront, but they tend to last longer and are more capable of trapping airborne particles of smaller sizes. HEPA filters, for example, capture pollutants with sizes of up to 0.3 microns. Also, you should change them as advised by manufacturers and not wait until they are completely caked with dust and debris before changing them out.
  • Improve Air Quality. Lastly, you can improve the air quality inside your home by investing in air cleaners or scrubbers that can collect pollutants from the indoor air. You can also eliminate individual sources of pollution or to reduce their emissions. Open windows and doors as well to allow stale air to escape and let fresh breezes in.

For top-notch heating installation and AC maintenance services, turn to A/C & Refrigeration. Ask us about routine maintenance plans — call (602) 488-7161, or fill out our contact form!