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  • Writer's pictureCarolina Duct Pros

How Often Should You Clean Your Air Ducts? Expert Recommendations

Air ducts are a critical component of your home's heating and cooling system. They circulate air throughout your home, and over time, they can become clogged with dust, dirt, and other contaminants. This buildup can affect the quality of the air you breathe and even cause health issues. So, how often should you clean your air ducts? In this post, we'll explore expert recommendations on air duct cleaning frequency.

The National Air Duct Cleaners Association (NADCA)

The NADCA recommends that homeowners have their air ducts cleaned every three to five years. However, this timeline can vary depending on a few factors, such as the size of your home, the number of people living in your home, and whether you have pets.

For example, if you have pets that shed a lot, or if you have allergies or respiratory issues, you may need to have your air ducts cleaned more frequently. In contrast, if you live in a small home and don't have pets, you may be able to go longer between cleanings.

The Environmental Protection Agency (EPA)

The EPA recommends that homeowners have their air ducts inspected every two years. During an inspection, a professional can look for signs of dirt and dust buildup, as well as any other issues that could affect indoor air quality.

If the inspector finds significant dust and debris buildup, they may recommend a cleaning. However, if there's only minimal buildup, they may suggest waiting a bit longer before scheduling a cleaning.

Signs You Need Air Duct Cleaning

While expert recommendations are helpful, there are also some signs to look out for that can indicate you need air duct cleaning. These include:

- Dust and debris around air vents

- Uneven airflow throughout your home

- Strong odors coming from your air vents

- Increased allergy or respiratory issues

If you notice any of these signs, it's essential to have your air ducts inspected and cleaned by a professional as soon as possible.


In summary, expert recommendations suggest that homeowners should have their air ducts cleaned every three to five years, with more frequent cleanings necessary for homes with pets or residents with allergies or respiratory issues. However, it's also crucial to pay attention to signs that indicate you need air duct cleaning, such as dust and debris around air vents or strong odors coming from your air vents. By following these guidelines, you can ensure that your home's air quality remains clean and safe to breathe.

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