Do you know that almost 50% of illnesses related to the upper respiratory system are caused because of bad air quality? Kids are much more vulnerable to poor indoor air quality. If you don’t get regular home air duct cleaning, the contaminated air in the system can cause a wide range of health problems. It can also aggravate existing problems like allergies, respiratory problems and even autoimmune conditions. When the air duct is cleaned regularly, you will be removing the pollutants and contaminants.