If not properly installed, maintained, and operated, your air duct systems may become contaminated with particles such as dust, pollen, and other debris. If moisture is present, the potential for microbiological growth including mold, bacteria, pollen, and animal dander, is increased and will be released into your home’s living space. Some of these contaminants may cause allergic reactions or other respiratory symptoms in people if they are exposed. Failure to clean your ductwork can result in the re-contamination of your entire system, thu... read full review »