23 Heating, Ventilating, and Air Conditioning (HVAC)

23.30.00 HVAC Air Distribution

23.31.00 HVAC Ducts and Casings 23.32.00 Air Plenums and Chases 23.33.00 Air Duct Accessories 23.34.00 HVAC Fans 23.35.00 Special Exhaust Systems 23.36.00 Air Terminal Units 23.37.00 Air Outlets and Inlets 23.38.00 Ventilation Hoods

2 Manufacturers

Linder USA

NOVA Ceilings