The answer to 'how much to replace air duct sealing in my area' is that the cost can vary significantly depending on several factors. In general, the typical range for professional air duct sealing replacement is between $500 to $2,000 or more, depending on the size of your home, the complexity of the ductwork, and the materials used.
The cost is influenced by factors like the accessibility of the ductwork, the amount of insulation needed, and the complexity of the system. Homes with difficult-to-reach or damaged ductwork may require more extensive work, which can increase the overall cost. Additionally, the quality of the materials used and the labor rates in your local area can also impact the final price.