The answer to 'how much to fix air duct sealing in Chicago' is that the cost can vary significantly depending on several factors. In general, air duct sealing in the Chicago area typically ranges from $500 to $2,000 or more, depending on the size of your home, the extent of the sealing needed, and whether any ductwork repairs are required.
The cost is influenced by factors like the accessibility of the ductwork, the materials needed, and the labor required. Homes with more complex or hard-to-reach ductwork will generally cost more to seal. Additionally, any necessary repairs to damaged or leaky ductwork will add to the overall price. It's best to get quotes from local HVAC professionals to get an accurate estimate for your specific home.