AC Duct Cleaning: What Is Air Duct Cleaning?

Did you know that a single duct cleaning eliminates six pounds of debris for every household? The air in your home is filled with tiny particles such as dust, pollen, and pet hair. Airborne particles are drawn in by your furnace or air conditioner when it pulls air. These contaminants can accumulate inside the ducts over time, reducing airflow and re-circulating throughout your living space. Air ducts, like furnaces and air conditioners, require regular cleaning and maintenance. Keeping your ducts clean can also help you save money on your energy bill and improve the air quality in your home. But the question arises what is air duct cleaning?

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What Is Duct Cleaning And How Does It Function?

The process of cleaning various parts of your forced-air heating and cooling system to remove dust and other particulates is called duct cleaning. What is air duct cleaning, and what does professional duct cleaning include in addition to the air ducts themselves?

  • Diffusers and shutters
  • Exchangers of heat
  • Coils for heating and cooling
  • Drip pans for condensate
  • Fan motor and enclosure

The duct cleaning technician begins by removing pollutants from the interfaces of the Ac unit with brushes, air nozzles, and other agitation machines. A powerful vacuum system is then used to collect and remove the loosened particles from the house.

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To protect particles from fleeing into the living space, the HVAC system is under constant pressure applied during this process. It creates a suction that forces contaminants to move in only one direction: into the vacuum hose. This is referred to as harmful pressure duct cleaning by some. To kill microbes inside the ducts and other components, duct cleaning technicians may use a chemical biocide.

What Tools Do Air Duct Cleaners Use?

Air duct cleaners employ many tools, from small hand-held devices to heavy-duty machinery. Furthermore, air duct cleaners will likely have at least one inspection tool, ranging from a simple mirror to a periscope and up to a CCTV camera system with flexible cables to reach the hard-to-reach parts of the air duct system. The inspection equipment will be used primarily when there is a clog or another reason to inspect the air vents (such as bad odors).

What Is Air Duct Cleaning

Brushes, vacuums, and other agitation devices are essential cleaning tools. It is not recommended to clean the air vents on your own with a simple brush and home vacuum. If you do it incorrectly, pollutants and debris will enter your home through the air ducts rather than being extracted using professional methods.

The Benefits of Air Duct Cleaning

  • Keep the Air Clean

The air passing through the ducts is the same air that your family breathes on a daily basis. If unchecked, ducts can harbor allergens such as pollen and pet dander, which can re-enter your living space via supply registers. Though these particles are not necessarily harmful to health, they can cause problems for people with asthma, allergies, or other respiratory issues. Cleaning your air ducts will help to improve air quality and keep airborne particles at bay.

  • Improve Energy Efficiency

Dust and debris obstruct air flow to and from your HVAC system’s components. When the ducts become clogged, your furnace or air conditioner must use more energy. Keeping ducts clear will allow your units to operate at maximum efficiency.

  • Keep Heating And Cooling Equipment Safe

A clogged air conditioner coil, contaminated blower wheels, and other issues can result in costly repairs if the ventilation system is dirty. Making duct cleaning a part of your maintenance routine will help your HVAC system last longer.

How Do We Identify That Our AC Ducts Needs To Be Cleaned?

Without a proper inspection, it isn’t easy to know whether your ducts need cleaning and what is air duct cleaning – but there are a few environmental indicators that can help you determine if an inspection is required. First, consider whether anyone in your household has indoor allergies, unexplained symptoms, or illness. If they do, this could indicate the presence of an irritant or allergen in the duct system. Reduced comfort can also be an indicator, as a blockage in the vents can affect airflow. Visually inspect the air vents or registers for large dust deposits or a musty odor.


Cleaning ducts is frequently an emotional sell. You want good air quality for you and your family, so cleaning your home’s ducts seems like a good idea. Some marketing images of filthy ducts can be pretty frightening. In fact, ducts must be kept clean only if there are serious bacteria. In such situations, the whole HVAC system, not only the ducts must be cleaned.

Duct cleaning is simple to get wrong, which is where the danger lies. Hiring the incorrect contractor can cause more harm than good. HVAC system cleaning, including duct cleaning, is not harmful when appropriately performed by a qualified technician. But, once again, only if done correctly and by a certified technician with the proper equipment and training.

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