Air Ducts are tubes or channels used to circulate air in heating, ventilation, and air conditioning (HVAC) systems. These ducts are essential for transporting warm or cool air throughout a building, ensuring even distribution of temperature. Air ducts come in various materials, such as flexible PVC, metal, and fiberglass, to suit different HVAC systems. Shopping for air ducts online offers a range of options, ensuring you find the right ducting for your HVAC installation or repair needs.