The answer to 'how much to replace ductwork in Chicago' is that the cost to replace ductwork can vary widely depending on several factors. In general, homeowners in the Chicago area can expect to pay anywhere from $3,000 to $15,000 or more to have their ductwork fully replaced.
The final cost will depend on the size of your home, the complexity of the ductwork layout, the materials used, and whether any structural work is required. Older homes with outdated or poorly designed ductwork may require more extensive (and expensive) replacements. Additionally, the cost of labor and permitting in the Chicago area can also impact the overall price.