Are you looking for Dryer Vent Cleaning? We “HYPER Indoor Air Quality Experts” Offer air duct cleaning Services With over 10 years of experience. Mitchell firmly believes that good quality air duct cleaning starts with properly trained technicians, but 80% of the performance is related to the equipment. Mitchell has skipped no steps in either of these departments! We offer our services mainly in St. Louis, Chesterfield, Town and country, St. Charles, and Ladue. We also offer Dryer Vent Cleaning and UV Air Purifier Services.