An article in the April 1999 issue of Better Homes and Gardens Titled “Duct Cleaning: the inside dirt” states that a study by the Environmental Protection Agency (EPA) states that they found little reason to recommend duct cleaning as it has not been proven to improve Indoor Air Quality (IAQ). It is recommend to have your ducts sanitized with Ozone to improve Indoor Air Quality as Ozone is proven to kill Bacteria, Viruses, Mildew, Mold, Odors, Etc… If your located in central Florida contact No More Odor to have your ducts completely sanitized. Not only do dirty air ducts affect IAQ it also poses many health issues for people and pets.