How to Keep Your Air Conditioning Ductwork Clean

Air ducts can accumulate dust, mildew, mold growth, and other debris. These contaminants are then spread throughout the house. If your allergies are getting worse, or you smell an unpleasant odor, it may be time to schedule a home cleaning.

Sheet metal ducts are nearly robust and rustproof, boosting energy efficiency. Flexible aluminum ducts are inexpensive and squeeze into tight spaces, but they are susceptible to damage by pests.


Leaks in ducts can cause the air conditioning to escape, and this can reduce the energy efficiency of homes. Leaks usually occur where duct segments meet particularly at joints. These sections can separate and become loose over time because of gravity or age, as well as other factors. Sealing these connections can keep air from leaking. However, it’s recommended to employ a professional HVAC technician to carry out extensive repairs and seal your ducts.

Find indications of leaks in ducts in your crawlspace or attic where the ductwork is exposed. Find areas where ducts are kinked or crushed that indicate blockage and require to be sealed. Feel along the joints and seams to determine if they’re warm. Also, pay attention to any whistling sound when the HVAC system runs. If you hear these sounds, then duct leaks are likely to be present in the area.

Unexplained hot and cold spots are another indication of a leaking pipe. This is due to air leaks that can prevent the HVAC system from cooling or heating specific rooms.

In addition, ductwork gaps can allow dust to circulate throughout the building even if household activities haven’t changed. They can trigger asthma and allergies in family members by circulating dust mold spores, mites, and other allergens that can be found in living areas.

Leaking ducts can spread toxic fumes and dust into the living space. Leaking ductwork for instance, can expose your family to harmful fumes in the event that you store pesticides and paint thinners in your basement. This problem is especially dangerous for elderly or children in your home. Installing an indoor air monitor can detect the presence of these gases and alert you to their presence.

High Humidity

In hot, humid climates such as Florida air conditioning ducts sweat more than they should. This is a major issue because sweaty ducts allow excessive moisture into homes and cause mold growth and poor air quality. There are many things homeowners can do to decrease humidity and ensure that ductwork is dry.

The first step is to reduce the use of water in the home as much as is possible. Reduce the amount of water you use for cooking, bathing and aquariums. In humid areas, homeowners should use a dehumidifier to make their home dryer.

It’s also important to periodically inspect the ductwork for signs of mold or other issues. Professionals should clean and seal the ducts in the event of issues.

Another problem that is often encountered with ductwork is leakage. Usually, this happens because of joints that are not properly installed or seals that can result in cracks and gaps. This can be prevented by using premium metals and by ensuring that all joints and connections are properly installed.

Air ducts can be found in different materials. Each kind has its own unique characteristics that affect how well they perform. Polyester air ducts are least expensive, but they are the most brittle and are more susceptible to being damaged by pests and the elements. Aluminum ducts are more expensive, but last longer and can resist insects.

Airflow can be restricted by objects such as furniture, toys and other objects. The blocked ducts can impact the airflow and energy efficiency of your system.

The blocked ducts can also result in uneven cooling and heating as well as a significant issue in older buildings that have poorly designed ductwork.

A homeowner who suspects that they are experiencing issues with leakage or humidity should call an HVAC service. The expert will assess the ductwork and provide recommendations for any necessary repairs or replacements. It is essential that the ductwork is easily accessible, since it will impact the speed and at what cost the expert can complete the job.


Warm temperatures and moisture can combine to cause mold to air conditioning ducts. The condensation causes the moisture on the inside of the air ducts which creates a humid atmosphere in which the mold spores thrive. The spores are then transported throughout the home by your HVAC system and cause allergic symptoms in household members.

Visual signs of mold around the air vents are an indication that you should engage an HVAC professional for an AC cleaning. Dust particles that are black can be an indication that mold is thriving. If the area appears wet or slimy, then it’s a clear sign that there is a significant issue. A musty odor is another sign of mold.

Other indicators of a mold problem in your air ducts could be damaged or torn insulation, rips in the vent covers rodent droppings and the cockroach shells. If the problem is serious it could be that you notice decaying wood and sagging metal.

The most frequent type of mold in air ducts is Stachybotrys, which can produce toxic mold. It can grow on the wood and drywall surfaces, but also in the spaces between the walls and rafters in your home. Stachybotrys can cause irritation to the throat, nose, and eyes, and respiratory problems.

Mold in air ducts can cause wheezing, coughing and shortness of breath. Children and the elderly can suffer more severe symptoms. Mold in air ducts may also trigger nausea headaches, fatigue and fatigue.

It is recommended homeowners not to attempt to remove large areas of mold. This is due to the security concerns that come with. Mold spores can spread quickly through the air and are difficult to get rid of once they start growing. There is no guarantee the homeowner will be able remove all the mold and stop it from resurfacing. A professional can safely remove the mold from air ducts, and ensure that it doesn’t return.

To prevent the growth of mold in air ducts, make sure to change the air filters on a regular basis and clean the ducts at least once every few years. Taking these steps will keep humidity and condensation out, which can encourage the growth of mold.


Allergies can disrupt your summer activities and leave you with itchy, swollen eyes and a general sense of discomfort. Making sure your home is free of allergens is an essential part of battling allergies, and your air conditioning ducts can be a breeding place for the triggers that cause your symptoms.

Allergy causes include dust mites mold spores, pet dander and pollen. These particles can be tracked into your Fridley house on shoes or clothing and then scattered throughout the house by your HVAC system. Leaks in your ductwork can allow these particles to sneak through, and they’ll be circulated throughout the house.

A thorough cleaning of the air ducts is the most effective method to fight these allergies. A professional duct cleaning service will remove these particles and let you breathe more comfortably.

A duct that is dirty may also harbor bacteria. Bacteria can cause you to be sick and worsen your allergies. These bacteria are spread by the air that passes through your ducts into your home’s vents.

When ducts become dirty, bacteria can accumulate inside and be circulated throughout your home whenever you turn on your air conditioner. This can lead to respiratory issues and, in certain cases, more serious illnesses.

In the spring and early summer, many people bring in allergens like pollen, mold and dust mites on their shoes and clothing. These allergens are most likely to be deposited in areas that won’t be disturbed again until the following spring or summer. Air ducts are just one of those areas. If they’re not cleaned regularly the allergens will remain in the air vents until you turn on your cooling or heating system.

Clean air ducts can be a major problem for homeowners. They can lead to more expensive energy bills, as well as uncomfortable living conditions. Aeroseal can assist you in avoiding these issues by regularly cleaning your ducts and sealing any leaky ones. Aeroseal technicians apply a sealant that is pressurized to stop air from entering through ductwork that has been leaking.

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