Lennox defines ductwork as: “the system of ducts (metal or synthetic tubes) used to transport air from heating, ventilation and air-conditioning (HVAC) ...
These air ducts are connected to an HVAC system that filters and generates temperature-controlled air before transferring throughout a building's ductwork. The ...
Return air ducts transfer air from rooms back to an air conditioner or furnace for filtering and reprocessing. For more tips on working with your HVAC ducts, ...
Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local HVAC codes. In addition, its flexibility allows for ...