The cost of installing new air ducts in Aubrey, TX, varies depending on several factors, including the type of ductwork, the size of your home, and the complexity of the installation. On average, homeowners can expect to pay between $2,400 and $6,600 for new HVAC ductwork installation. This estimate can vary based on the material used for the ducts, the accessibility of the installation site within the home and the specific needs of the HVAC system.