ServiceMaster Clean Wake County has years of experience cleaning and disinfecting hospitals, commercial spaces, and other facilities that are at risk for exposure to various infectious diseases. Cleaning removes germs, dirt, and impurities from surfaces or objects. Sanitizing lowers the number of germs on surfaces or objects to a safe level, as judged by public health standards or requirements. Disinfecting kills germs on surfaces or objects. Disinfecting works by using chemicals to kill germs on surfaces or objects.