DuctMasters air duct cleaning knows that having your ventilation systems cleaned on a regular basis is one of the most important home improvement decisions a person or business can make. We are insured, RotoBrush™certified, and offer custom electrostatic air filters for your heating and air-conditioning duct and ventilation systems. We truly believe that this is a service that pays for itself by lowering your utility bill. DuctMasters uses an EPA-registered disinfectant that is commonly used in hospitals and nursing homes, because it prevents mold, fungus, bacteria and other microorganisms from living and growing in your air ducts and ventilation system.