For those who are unfamiliar, air duct cleaning services are related to the removal of impurities from a home or building's ducting. Mould, mildew, dust, and other particle matter are examples of these pollutants. These contaminants can be released into the air as they pile up in the ducts, degrading the quality of the air. Powerful vacuums can be used by a professional duct cleaning service to remove dust and debris from the ducts themselves. This will keep them from spreading around the house. Hiring Ac Duct Cleaning Services to maintain ductwork in a house or office has several advantages.