At Duct Diagnostics, our goal is to achieve 100% customer satisfaction. We specialize in residential & commercial air duct cleaning. Our state-of-the-art duct cleaning equipment is contaminant-free and approved for use in sterile environments, such as hospitals and laboratories. Our professionally trained staff prides themselves on a job well done and gives the same consideration to all jobs - large or small. Integrity is the key to our success and the reason why we never have an unhappy customer.