Yes, your dirty air ducts can cause sickness and several allergies. If you have dirty ducts, you and your family may experience coughing, sneezing, sore throats, low-grade fever, and respiratory infections. In simple words, it causes almost all the symptoms of allergies. 

But the story doesn’t end here! Dirty ducts can also cause sudden headaches, nasal congestion, and runny nose. Thus, you should schedule duct sanitization every 3-5 years and keep your family healthy.