When Should You Replace Your Air Filter?

The air filter in your home's HVAC system is an essential component that needs to be changed regularly for optimal performance. But how often should you replace it? The answer depends on a variety of factors.

What Is an Air Filter?

An air filter is a device that helps to keep the air in your home clean and healthy by trapping particles such as dust, pollen, and other allergens. It is usually installed in the HVAC system, which stands for heating, ventilation, and air conditioning.

Why Is It Important to Change Your Air Filter?

It's important to change your air filter regularly because if it becomes clogged with dust and other particles, it can restrict airflow and reduce the efficiency of your HVAC system. This can lead to increased energy costs as well as poor indoor air quality and health problems.

How Often Should You Replace Your Air Filter?

The frequency at which you should replace your air filter depends on several factors such as the type of filter you are using, the size of your home, and how much traffic there is in your house. Generally speaking, most people should replace their filters every 1-3 months.

1. Type of Filter

Disposable fiberglass filters need to be replaced every 30 days while pleated filters can last up to 90 days. High-efficiency particulate air (HEPA) filters can last up to 12 months.

2. Size of Home

The size of your home will also affect how often you need to change your filter. If you live in a small one-bedroom apartment, then changing it once every two months may suffice, but if you have a larger house with more rooms or higher levels of traffic, then changing it monthly may be necessary.

3. Amount of Traffic

Additionally, the amount of traffic in your home will also play a role when deciding how often you need to change out the filter. If there are pets or smokers present or if there are frequent visitors coming through, then replacing the filter more frequently than usual might be necessary.