First of all, let’s start with a simple answer. Yes, it is necessary to clean the air ducts. There are many reasons to clean your air ducts and better to have it done by a professional at least once a year. Cleaning the air ducts will remove dust and the debris that are collected in the ducts on a daily basis. Everyone prefers a clean, healthy air circulation at home, it is a must especially for those who are sensitive and allergic to dust and bacterias that might build up in the air duct system.