The system of sheet metal or flexible tubes that carries heated or cooled air throughout a building.
The network of conduits—typically sheet metal, fiberglass, or flexible material—that distributes conditioned air from the air handling unit to occupied spaces and returns air back to the unit. Ductwork is designed for proper airflow velocity, pressure drop, and noise levels. It must be sealed, insulated, and supported per code requirements.
The mechanical contractor installs 18,000 linear feet of galvanized sheet metal ductwork with sealed joints and R-6 insulation.
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