President and Owner of Design Air, Inc., has been cleaning commercial air duct systems since 1998. A certified ASCS (Air Systems Cleaning Specialist) in NADCA (National Air Duct Cleaners Association), Mr. Eston was the Divisions Manager of commercial operations for two different duct cleaning companies prior to starting Design Air, Inc. His past projects include work at the University of Illinois, Northern Illinois University, Kraft Foods, Dean Foods, mental health centers, retirement homes, laboratories, office buildings, factories and hospitals. Courtney is not a hide-and-seek contractor, he personally trains each of his staff and visits every jobsite on a regular basis to check quality and progress.