The answer to how much air duct sealing costs in your area depends on several factors, but typical ranges can vary from $500 to $2,000 or more. The specific cost will depend on the size of your home, the accessibility and condition of your ductwork, and the complexity of the sealing process.
Air duct sealing is an important maintenance task that can improve your HVAC system's efficiency, reduce energy costs, and improve indoor air quality. While it's possible to do some basic duct sealing as a DIY project, it's generally recommended to hire a professional HVAC technician who has the right tools and expertise to properly inspect, clean, and seal your ductwork.