Home Ecology How Often Should You Clean Your Air Ducts?

How Often Should You Clean Your Air Ducts?

by William Gist

The air ducts are like the lungs of your HVAC system. Before the cool air can reach all your rooms of your room, it travels through your air ducts. This means that the air that travels within the air duct picks up whatever has accumulated over time along the way.

Like any other surface of your home, things like dust, first dander, and other debris can also accumulate inside the air ducts. So when the air is pushed through the air ducts, all that debris can be dispersed through the vents and into the rooms of your house. That is why we recommend having your air ducts cleaned by a professional regularly.

But what does a regular or routine basis mean? Are there any signs you should notice to indicate that the ducts need to be cleaned? What are all the benefits of clean air ducts? If you have asked yourself this question then make sure to keep reading until the end of our article.

When is the time to clean your air ducts?


The NADCA or National Air Duct Cleaners Association recommend having your air ducts cleaned at least every two to four years. Although there isn’t a specific formula that can tell you when it is time to clean your air ducts, the NADCA states that cleaning the ducts on a routine basis will prevent excess pollutants and inefficient cooling in the home.

Signs you need to clean your air ducts


  • There is visible mold growth

If you can see that there is mold growing inside, on or around the air ducts in your home, it is very important that you schedule an air duct cleaning right way. It is also vital that you test the suspected mold to determine whether it is actually molded. Mold exposure can be very dangerous to the health of your love, so make sure you have it inspected.

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  • The air ducts are infested with vermin

If there is an infestation in your ducts, whether rodents or insects, you will need to have your air duct cleaned by a professional. Rodents can leave excrement which can contribute to illnesses. Cleaning your air condition system will prevent any potential hazard.


  • Excessive amounts of dust in the air ducts

If you see excessive amounts of dust built-up around your vents, there is likely a lot of dust inside the air ducts. As your air condition system turns on, all the air will push out the dust inside the rooms. This can decrease the air quality in your home.

  • If you have moved into a new home

If you have just moved into a new home and you are not sure when these air ducts have been cleaned by a professional, we recommend you schedule cleaning as soon as possible

  • After remodeling your home

Remodeling your home can be a messy task. All the debris from the remodeling can circulate through your home and land inside the air ducts.

  • If you have pets

Homeowners who have pets usually need to have their air ducts cleaned much more frequently to reduce the amount of pet hair within the home.