Complete Chimney Cleaning and Chimney Repair Specialists. Serving Michigan and Ohio families for over 25 years. The chimney sweep specialists at Doctor Flue are CSIA certified, so they can provide an accurate system evaluation, certified chimney inspection, consultation, and service recommendation for your chimney or fireplace. Our chimney doctors serve large portions of Michigan and Ohio, incl. Ann Arbor, Jackson, Canton, Dearborn, Toledo, and Columbus.