How Often Should You Replace Your AC Filter?

Whether you have a window unit AC or central air that uses a filter, you should learn about the importance of replacing your AC filter. Your filter needs to be changed at least annually, and depending on the type of filter you have, the build-up can happen more frequently.

You can’t just look at your air filter and know when it’s time to change it. You have to think about the type of filter, the materials it holds, and how often it can get dirty.

Don’t worry, we’ve got you. Keep reading to learn when and how often you should replace your AC filter.

How Often to Replace Your AC Filter

If you have a central air conditioning system, there are two types of filters you can use:

Disposable

This filter is from fiberglass or paper that is designed to be replaced every few months. While they are effective in trapping dirt, dust, and other airborne particles, they can also restrict air flow, which can lead to a decrease in efficiency.

Reusable

This type of filter is made of thin, interwoven fibers that can trap small particles of dust and dirt. These filters need to be replaced every three to six months, depending on the size of your unit and the amount of use it gets.

What Happens if You Don’t Replace Your AC Filter

If you don’t replace your AC filter, your air conditioner will have to work harder to cool your home, which can lead to a spike in your energy bill.

Also, a dirty filter can cause your AC unit to freeze up, which can also lead to costly repairs. To avoid these problems, it is important to replace your AC filter every 1-3 months, depending on the type of filter you have.

The Benefits of Replacing Your AC Filter

An air conditioner filter keeps the system’s coils and fins clean so it can efficiently absorb heat. It also helps control indoor air quality by trapping dust, mold, and other airborne contaminants.

A dirty filter can cause continuous cycling of the fan motor, which can shorten the life of the fan motor and blower. Also, a dirty filter lowers the efficiency of the system, which can cause the system to work harder and use more energy.

Replacing a dirty filter with a clean filter can reduce energy consumption, extend the life of the system, and improve indoor air quality.

How to Know When It’s Time to Replace Your AC Filter

A good way to remember to do this is to replace it at the start of each new season. If you have pets or live in a dusty area, you may need to replace them more often.

Over time, your AC filters will become clogged with particles, which will reduce their effectiveness. You may notice that your AC unit is not cooling as well as it used to, or that it is running more frequently. These are both signs that it is time to replace your AC filter.

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Replace Your AC Filter Now

It’s important to replace your AC filter every 1-3 months, or as needed. A dirty filter can cause your AC unit to work harder, which can lead to higher energy bills and potential AC repairs.

Check your filter monthly and replace it from time to time to keep your AC unit running efficiently.

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