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How Long Does It Take to Clean Air Ducts? | Air Duct Cleaning

image of a person cleaning an air duct

Air ducts are important to all of us because they are used for heating and air conditioning systems. Unfortunately, dirty or clogged air ducts can lead to health problems such as allergies and asthma so they need to be cleaned regularly.

However, while we want to have clean air inside the house we are all busy people and air duct cleaning is not always at the top of our list of priorities. So how long does it take to clean air ducts? This article will shed some light on the subject.

Why Is Air Duct Cleaning Important?

The air we breathe inside our homes is typically around five to ten times more polluted than the outside air. According to the Environmental Protection Agency (EPA), indoor pollutants come from several sources including lead paint, dust mites, mold spores, and pollen.

Once these particles are in your home’s ventilation system they can be sucked into heating or cooling systems where they will be circulated throughout your home. This is why air duct cleaning is so important. By having your air ducts cleaned on a regular basis, you can help improve the quality of the air in your home and reduce your exposure to harmful pollutants.

So, How Long Does It Take to Clean Air Ducts?

The time it takes to clean air ducts will vary depending on the size of your home, the type of ventilation system you have, and how dirty the ducts are. However, on average, it usually takes between two and four hours to clean all the air ducts in a typical home.

Air Duct Cleaning Process

Professional air duct cleaning services have a number of tools at their disposal that can clean your air ducts quickly and efficiently. It is not recommended for homeowners to attempt to clean their own air ducts because the process can be dangerous and if done improperly, can damage your ventilation system.

A typical cleaning process involves the following steps:

• The ducts are inspected to identify any damage or blockages.

• Create negative pressure in the ducts to expel any dirt, dust, or debris.

• Agitate and dislodge accumulated dust and debris with tools like rotating brushes and air jets.

• Sanitize and disinfect the ducts to eliminate bacteria, mold, mildew, viruses, and other contaminants that may be present in the system.

• Ensure that all components of your ventilation system are operating properly for maximum performance.

How Often Should Air Ducts Be Cleaned?

The frequency with which you should have your air ducts cleaned depends on a number of factors, including the size and layout of your home as well as how many pets you have. If you or someone in your family smokes cigarettes, this also increases the amount of dirt that accumulates inside air ducts over time.

When Should You Get Your Air Ducts Cleaned?

In general, air ducts need to be cleaned every three to five years but should be inspected more often if you or someone else in your home smokes cigarettes, have pets with fur coats, use a humidifier regularly, and/or live in an area where air quality is poor.

There are a few telltale signs that it’s time to have your air ducts cleaned. For example, if you start noticing an increase in dust levels inside your home, it might be time to call in professionals. You should also get your air ducts cleaned if:

  • You can see dust or dirt particles floating through the air when the sun shines in
  • The registers (the vents that blow out hot or cold air) are covered in dust
  • The color of your walls is a darker or lighter shade than normal, due to dust collecting on them over time.

If you have pets at home, it’s also important to call in professionals if their coats are matted with fur. When an animal sheds its coat during the year, dead skin cells and other organic material from their bodies can get stuck to their fur. This mixture of hair and skin cells, called “fur balls”, are often found in the air ducts after an animal is groomed—your HVAC system will suck them up when it comes on!


Clean air inside the home is an absolute must for everyone. While we want our air ducts to be free of dust, debris, and dirt, we also have a lot of other things on our plate. Knowing how long it takes to clean your air ducts is a great way to budget your time and energy while ensuring your family is breathing clean air. Having a company clean your air ducts is a great idea for keeping the quality of indoor air high and eliminating one more item from your to-do list.

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