How to Clean a Window AC Filter

During summertime, AC is the perfect thing to keep you cool and comfortable. But what if you’ve got a window air conditioner that’s not cooling as well as it used to? What causes the air conditioner not to cool as usual? It might caused by a dirty air filter. Hence, you have to ensure your window air conditioner continues to function at its best for as long as possible, it is important to maintain a regular cleaning schedule to reduce the likelihood of airborne mold and common allergens through forced air systems. Here’s a step-by-step guide for beginners, along with the tools and materials you’ll need.

Materials and Tools

Step-by-Step Guide

1. Turn off and unplug the AC unit

Before attempting any cleaning, turn off and unplug the window AC unit to ensure your safety.

2. Remove the filter (if applicable)

• Depending on your window AC model, you may need to remove the front grille or access panel to access the filter.
• Use a screwdriver to carefully remove the grille or panel, following the manufacturer’s instructions.

3. Assess the filter condition

Check the filter for dirt, dust, and debris buildup. If it appears extremely dirty or clogged, it’s time for a thorough cleaning.

4. Vacuum the filter (optional)

If your filter has a lot of loose debris, you can use a vacuum cleaner with a brush attachment to remove the surface dust.

5. Wash the filter

• Fill a large basin or sink with warm water and add a small amount of mild detergent or dish soap.
• Gently submerge the filter in the soapy water and allow it to soak for 10-15 minutes to loosen the dirt and grime.

6. Scrub the filter

Use a soft-bristled brush or sponge to scrub both sides of the filter. Be gentle to avoid damaging the filter material.

7. Rinse the filter

Rinse the filter thoroughly with clean water to remove any soap residue.

8. Pat dry the filter

Gently pat the filter with a clean, lint-free cloth or towel to remove excess water.

9. Air dry the filter

Allow the filter to air dry completely before reinstalling it in the AC unit.

10. Reinstall the filter (if applicable)

Follow the manufacturer’s instructions to reinsert the clean filter back into the window AC unit.

11. Regular maintenance

Cleaning the AC filter is a regular maintenance task, so plan to clean it every 2-4 weeks during heavy use, or as recommended by the manufacturer.

Cleaning your window AC filter regularly helps maintain good airflow and cooling efficiency, while also ensuring the air you breathe is cleaner and healthier. By following these steps, you can easily keep your window AC unit in optimal condition. If you still need help for cleaning the windows AC filters, you can contact us. We will help.