The answer to 'how much to fix ductwork in Illinois' is that the cost can vary widely depending on several factors. Typical ductwork repair costs in Illinois can range from a few hundred dollars for minor fixes up to several thousand dollars for more extensive work. The exact price will depend on the size of your home, the accessibility and condition of the ductwork, the materials needed, and the labor required.
Some key factors that influence ductwork repair costs in Illinois include the extent of the damage, the complexity of the job, whether insulation or other components need to be replaced, and the location of the ductwork (e.g., in an attic vs. a crawl space). It's best to get quotes from several local HVAC contractors to get an accurate estimate for your specific situation.