How Often Do We Need to Clean Air Ducts

How Often Should You Clean Air Ducts?

Air ducts are one of the most important parts of a cooling and heating system. If something goes wrong with the air ducts, there will be hindrances to the airflow and energy loss. That is why keeping these air ducts in optimal condition is important, as you would not want to sweat in summer or freeze mid-winter at your home.

According to experts from the (source) National Air Duct Cleaners Association (NADCA), you should consider getting your air ducts cleaned every 3 to 5 years. In the case of particular cleaning methods, you can wait longer, like 6 to 8 years. But if you notice mold or other stuff in your ducts that might make people sick, it's a good idea to clean them sooner to keep your home and family healthy.

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According to the (source) Environmental Protection Agency, certain pollutants can be 2 to 5 times more concentrated indoors than outdoors. These pollutants travel throughout your home with the help of air ducts reaching every corner of your home. Given the fact Americans spend 90 percent of their time indoors on average, there is a risk of developing health problems due to these pollutants.

This why it is important to get your air ducts cleaned with the help of a professional HVAC company. This will help maintain a clean and healthy environment inside your home. But sometimes, you might need to get them cleaned sooner, especially in the situations given below.

1. Moving into a new residence

Professional air duct cleaning is important if you are changing homes and recently moved into a new home. This is because you are not aware of what the condition of the air ducts are. The old owner might be a smoker, have a pet, or have had construction done. In either of these cases, a thorough cleaning of the air duct is necessary.

In case of new constructions, drywall dust and other debris can get disposed of into the home's air ducts. Also, pet hair gets deposited into the air duct with pets. If you or your family members are allergic to pet hair, it can be very harmful for you to stay in the home without proper cleaning of air ducts along with the rest of the house.

2. Spotting Mold or musty odors

Damp and humid places are the greatest attractors for mold. Mold likes to grow in hard-to-reach places like your air ducts. It is difficult to spot early signs of mold, especially if they are far inside your air ducts. This is why periodic inspections and safety checks from professional HVAC cleaners are very necessary. Besides, if you notice mold patches near your vents or other corners of your house, it is time you call a professional HVAC air duct cleaner.

In case of other symptoms like a musty smell or itchiness and coughing, get a professional cleaner. A professional HVAC service provider will clean the area by killing the mold and stopping it from returning.

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3. Unwanted guests(Pests)

Pests can become your worst nightmare if it gets out of hand. Pests love to cozy up in dark and unreachable places like the air ducts with minimal human intervention. Pests inside the air ducts will contaminate the air inside the house with their mess and odor. This will also decrease the efficiency of your HVAC system, so hiring a professional air duct cleaner is very important. A professional HVAC cleaner will do a thorough cleaning to kick those critters out.

4. Too Much Dust and Debris

If it has been years since your HVAC system was first installed, and you have not cleaned it for years, it is time for a deep clean. Besides mold and insects, a lot of stuff can build in your air ducts over time, including dust, hair, dead skin cells, and other allergens. These can reduce the airflow in your air ducts, along with causing health problems.

Did you know that much of the energy used to heat or cool your home gets wasted? That's right, according to the experts of NADCA (Source). Dirty air ducts can make your system work harder, shortening its lifespan and hitting your wallet. So, how do you fix this? Hire a professional HVAC cleaner and get your air ducts cleaned. so that your family can get to breathe clean air and you can also save money on your bills.

5. Feeling Sick or Allergy Symptoms

If your air ducts are clean, all your daily members experience fresh and clean air. But if our air ducts have not been cleaned for some time now, your air ducts are probably circulating contaminated air throughout the house. This can make allergies and colds worse.

Furthermore, dust mites love to hang out in dirty ducts, and they can mess with people with respiratory issues. Dirty air ducts can be bad news if your family member already suffers from respiratory problems. In addition, indoor air quality must be kept in check if you have young kids/newborns and older members.


We hope to have cleared your doubts on how often we need to clean air ducts. Besides the given time frame of 3 to 5 years and other obvious reasons, one more situation requires urgent attention to your air ducts. If you notice your family members experiencing sudden health and respiratory issues, it might be linked to dirty air ducts and must not be avoided. All in all, include air duct cleaning as a part of your routine home maintenance.


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