“Breath Easy: Filtrete 16x25x1 Air Filter MPR 1500 MERV 12, Healthy Living Ultra Allergen, 2-Pack”

41THNEDlLNL. AC41pou 08YNL. AC51Or8N6DmXL. AC51eekZL2PDL. AC51wz3r6bhRL. AC51F6T0Au3lL. AC51vr8mFn64L. AC
Price: $38.99
(as of Mar 13,2023 13:13:55 UTC – Details)

buy now

AC Filter: Your Ultimate Guide to Choosing and Replacing Your Air Conditioner Filter

As the temperatures rise, air conditioning becomes a necessity. However, for your AC to function at its best and keep the air in your home clean and healthy, you need to keep your AC filter in top shape. The filter in your HVAC system helps trap dust, dirt, and other pollutants, preventing them from circulating in your home. In this article, we will guide you through the importance of maintaining your air conditioner filter and how to choose the right filter for your system.

Why is the AC Filter Important?

Your air conditioning system filters the air in your home, removing pollutants and decreasing the risk of allergies and respiratory issues. When your filter is neglected or not changed regularly, it can become clogged with dirt and dust, making your AC work harder to push air through. This can lead to a decrease in efficiency, higher energy bills, and even damage to your system.

How to Choose the Right AC Filter?

There are several types of filters available, ranging from disposable to permanent filters, with different levels of efficiency. When choosing an AC filter, consider the following factors:

1. Filter Efficiency: The higher the MERV (Minimum Efficiency Reporting Value) rating, the better the filter is at trapping small particles. Choose a filter with a rating between MERV 8 and 12, which will trap most common pollutants.

2. Filter Type: The three main types of filters are disposable, replaceable, and permanent. Disposable filters need to be changed every 30 days, and replaceable filters every six months, whereas permanent filters can be cleaned and reused, but require regular cleaning.

3. Filter Size: When selecting a filter, pay attention to its size. An ill-fitting filter can lead to air bypass, which decreases its effectiveness.

4. System Compatibility: Ensure that the filter you choose is compatible with your AC system.

How to Replace an AC Filter?

Replacing your AC filter is a simple process that can be done by following these steps:

1. Turn off your AC system.

2. Locate your filter. Usually, it's in the blower compartment, near the return air duct.

3. Remove the old filter and dispose of it properly.

4. Take note of the size and type of filter, and purchase a new one.

5. Place the new filter in the correct position according to the arrows indicated on the filter.

6. Turn on your AC system.

Frequently Asked Questions

1. How often should I change my AC filter?

Answer: Generally, disposable filters should be changed every 30 days, and replaceable filters every 6 months. Permanent filters need to be cleaned every three to four weeks.

2. Can I reuse a disposable filter?

Answer: No, disposable filters are not designed to be reused and should be disposed of properly.

3. What is the MERV rating, and why is it important?

Answer: MERV rating stands for Minimum Efficiency Reporting Value, and it measures the filter's ability to capture particles of specific sizes. A higher rating means a filter can trap smaller particles and is more efficient.

4. Can I install a higher MERV filter than recommended by my system?

Answer: Installing a filter with a higher MERV rating can lead to decreased airflow and cause damage to your system. Always choose a filter that's compatible with your system.

5. Do I need to change my filter more frequently if I have pets?

Answer: Yes, households with pets should change their filters more frequently, as pets shed hair and dander that can cause the filter to clog faster.


Maintaining your AC filter is crucial to ensuring your HVAC system works efficiently and keeping the air in your home clean and healthy. When selecting a filter, consider the filter's efficiency, type, size, and compatibility with your system. Changing your AC filter is a simple process; be sure to follow the manufacturer's guidelines and replace them regularly. By following these steps, you can help keep your AC system functioning correctly and improve the air quality of your home.

You May Also Like