How to Clean an AC Air Filter – Step-By-Step Guide

AC (Air conditioning) units do not need any maintenance, but it is important that you clean the AC air filters regularly in order to reduce the chances of the development of airborne mould and accumulation of allergens and dust.

There are many different types of air filters available. Some are disposable and cannot be cleaned, whereas others are washable. If you have always used disposable filters, then you should upgrade to washable filters.

How often should I clean the air conditioner filter?

Washing your air filters twice a year is not enough. You should take care of your filter and clean it at least once a month. If you live in high pollution, dusty area, then you might have to do it even more often. If you see a lot of dust accumulating on the filter when you inspect it monthly, then you should consider cleaning it every week.

How to clean an air conditioner filter

Let us look at every step to clean your central air conditioners filter.

Step 1: Locate the air conditioner filter

The majority of central air conditioners have their filters fitted in the cold air return region. The filters may also be located behind the return vent, which might be scattered throughout the house.

Step 2: Cut the power supply

When you perform any sort of cleaning of your air conditioner, it is always a good idea to cut off the power supply. This is a safety measure everyone should take.

Step 3: Take out the filter and clean it

In the majority of the filters, there will be a lot of dust accumulated on it. You can easily remove the dust by using a vacuum. You should clean all the central AC filters over the house. They are all important.

Step 4: Submerge the filter in a mixture of vinegar and water

Before you do this step, it is important that you go through your 18x24x1 air filter manual and guidebook. Some washable air filters are not designed to get wet, and you do not want to put extra strain on your wallet.

If the filter is water-friendly, then you can soak it in a 50-50 mixture of water and vinegar for an hour. Before you install the filter, let the filtered air dry completely.

If your sink is not large enough, then you can use a hose. Make sure the water pressure is very low, as high pressure can ruin the mesh-work of the filter.

Step 5: Put the filter in.

Once the filter has dried, you can reinstall it. Most filters have markings and arrows to indicate which side you have to put in. These arrows need to point in the direction of the airflow.

The bottom line

By following these simple five steps, you will be able to successfully clean the filters and reinstalled them. The filters will be clean, and your AC system will be set to cool your house.

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