A dirty air conditioner filter can reduce your AC system’s efficiency and impact indoor air quality. Regularly cleaning your AC filter is essential to keeping your system running smoothly and ensuring you stay cool. Follow this step-by-step guide to learn about different AC filter types, how to clean them, and how often they should be maintained.
Types of AC Filters
Before you begin cleaning, determine if your AC system uses a disposable or reusable filter.
- Disposable Filters – Made of cardboard or paper, these filters cannot be cleaned. When dirty, they must be replaced. Keep a few spare filters on hand to ensure timely replacements.
- Reusable Filters – Also called washable or permanent filters, these cost more initially but save money over time. Proper cleaning and maintenance can extend their lifespan.
Can You Clean an AC Filter Yourself?
Yes! Cleaning an AC filter is a simple task that homeowners should include in their regular maintenance routine. By keeping your filter clean, you improve air quality and help your AC system run efficiently.
6 Easy Steps to Clean Your AC Filter
Follow these simple steps to clean your reusable AC filter and keep your system running at peak performance.
1. Turn Off the AC Unit
Before cleaning, switch off your AC unit to prevent dust and debris from circulating.
2. Remove the Filter
Using a screwdriver if needed, carefully remove the vent cover to access the filter. Handle it gently to avoid damage. AC filters are typically located behind return vents—some systems may have multiple filters, so check all vents.
3. Vacuum the Filter
Use a vacuum with a hose attachment to remove built-up dust and debris. If the filter is disposable, skip ahead to Step 6 and replace it with a new one.
4. Wash the Filter
If vacuuming doesn’t remove all grime, rinse the filter under warm running water. Hold the filter with the dirtiest side facing downward to push out trapped debris.
For a deeper clean, soak the filter in a mixture of equal parts water and vinegar for an hour. Rinse thoroughly with water afterward. Avoid high-pressure settings, as they can damage the filter.
5. Allow the Filter to Dry
Lay the filter flat to air dry completely before reinstalling. Flip it halfway through the drying process. Avoid using hair dryers or other heat sources, as high temperatures can cause damage.
6. Reinstall the Filter
Inspect the filter for any tears, holes, or remaining grime. If it appears damaged, consider replacing it. Once dry and in good condition, slide the filter back into place and turn the AC back on for fresh, clean air.
How Often Should You Clean Your Air Conditioner Filter?
You should clean your AC filter every month or every other month, depending on usage. Homes with pets, frequent AC use, or high dust levels may require more frequent cleaning.
Dirty filters can restrict airflow, reduce efficiency, and increase energy costs. In fact, a clean AC filter can improve efficiency by 5%-15%, helping lower your electricity bill and extending your system’s lifespan.
By maintaining your AC filter, you ensure better air quality and peak performance from your cooling system. A little routine cleaning goes a long way toward keeping your home comfortable and energy-efficient!