Dirty Ducks Duct Service is the top choice for duct cleaning services in the Rockford, Illinois and the Beloit, Wisconsin area. Cities serviced include Rockford, Loves Park, Machesney Park, Roscoe, Rockton, Belvidere, Beloit, Janesville and surrounding areas. We are a company that specializes solely on duct cleaning and dryer vent cleaning. Duct cleaning