They provide a way for air to circulate, keeping the house comfortable and energy efficient. Over time, however, dirt and debris can accumulate in these ducts causing various problems such as poor indoor air quality and reduced efficiency. It is therefore crucial that homeowners stay aware of the signs that their home may need professional air duct cleaning services. This article will discuss what some of those signs might be so readers can make more informed decisions about when it is necessary to call a specialist. 

The buildup of dust, pollen, mold spores, pet dander and other allergens in air ducts has been linked to numerous health issues from headaches to asthma attacks. Homeowners should pay attention if they notice any changes in the air quality or smell coming from their vents. An increase in dust around furniture near the vents could also indicate that there is something blocking airflow within the ductwork which needs to be addressed by a duct doctor. 

Causes Of Air Duct Contamination 

Air ducts are responsible for the circulation of air throughout a home or building. The pollutants, allergens and debris that enter these systems can cause contamination over time. Sources of air contaminants include dust, dirt, pet dander, mold spores, pollen and other airborne particles from construction sites or roadways nearby. Additionally, bacteria in stale water accumulating within the ducts may contribute to poor quality air as well. 

Another factor leading to contaminated air is inefficient filtration systems or filters that haven’t been …