5 Ways Dirty Air Ducts Can Make You Sick

5 Ways Dirty Air Ducts Can Make You Sick

Your home should be a place where you and your family can relax without having any worries. But simply being in your house could be having a detrimental effect on you and your family’s well being if your air vents aren’t being regularly maintained. The duct system helps to circulate air throughout the entire home, and if those ducts are dirty, that build-up of pollutants can get released directly into the air that you breathe. Polluted air can have many harmful effects on a person’s health, from irritating allergies to agitating pre-existing conditions.

1.  Irritate Allergies

The most common issue that dirty air causes is the worsening of allergy symptoms. Maintaining a clean HVAC system and clean air ducts in your home, especially during the spring season, will help decrease the overall amount of pollen, dust and allergens. Allergies can easily be exacerbated by any of these contaminants, so cleaning out the duct system is a good way to ensure that no one suffers during allergy season.

2.  Agitate Pre-Existing Conditions

Any pre-existing condition, such as asthma or pulmonary conditions can be agitated by breathing in polluted air. Uncleaned air vents and ducts may circulate dirty air that can actually trigger longer and more severe asthma attacks. Several studies have also shown that when people who suffer from pulmonary conditions had the air ducts in their living spaces consistently cleaned, their conditions actually improved.

3.  Spread Viruses

The dust and build-up that can remain in your air duct system can house all sorts of bacteria and viruses. If someone were to get sick in the household, even if they were to keep their distance from other family members, the cold virus could enter the duct system. That contaminated air could then make its way to every room in the house, spreading the virus.

4.  Sinus Infections

Sinusitis is another condition that can be caused by a virus, but can also be caused by bacteria or even fungus. Over time, uncleaned air ducts will gather large amounts of these microbes and is often the cause of most sinus infections.

5.  Respiratory Issues

Even for people who don’t have any pre-existing conditions, exposure to dirty air can lead to sneezing, headaches, sore throats and even fevers. Upper respiratory infections can also develop which, if left untreated, can lead to more severe problems like bronchitis and pneumonia.


Dirty air ducts can cause a plethora of health problems, and cleaning your air ducts with a professional HVAC service is the only way to ensure that your home is providing clean air. If you wish to learn more, contact us today.