The answer to 'how much to replace ductwork in Illinois' is that the cost can vary widely depending on several factors. Typically, the cost to replace ductwork in a home in Illinois can range from $3,000 to $10,000 or more. The exact cost will depend on the size of your home, the complexity of the ductwork, the materials used, and the labor costs in your local area.
Some key factors that influence the cost of ductwork replacement include the length and layout of the ductwork, the accessibility of the ductwork, the type of ductwork material (e.g., metal, flexible, insulated), and whether any structural changes are required. Additionally, the cost of labor, permits, and disposal of the old ductwork can all impact the overall price.