CSI MasterFormat · Division 23 Heating, Ventilating, and Air Conditioning (HVAC)
23 31 00 HVAC Ducts and Casings
Galvanized steel, fiberglass, and flexible ductwork per SMACNA standards.
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The CSI MasterFormat code for HVAC Ducts and Casings is 23 31 00, in Division 23 (Heating, Ventilating, and Air Conditioning (HVAC)). It is most often checked against IMC Chapter 6 — Duct Systems.
Also in Division 23 · Heating, Ventilating, and Air Conditioning (HVAC)
- 23 33 00Air Duct Accessories
- 23 34 00HVAC Fans
- 23 36 00Air Terminal Units
- 23 37 00Air Outlets and Inlets
- 23 38 00Ventilation Hoods
- 23 23 00Refrigerant Piping
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