- 08 34 00 - Special Function Doors
- 08 34 13 - Cold Storage Doors
- 08 34 16 - Hangar Doors
- 08 34 19 - Industrial Doors
- 08 34 33 - Lightproof Doors
- 08 34 46 - Radio-Frequency-Interference Shielding Doors
- 08 34 49 - Radiation Shielding Doors and Frames
- 08 34 63 - Detention Doors and Frames
- 08 34 73 - Sound Control Door Assemblies
- 08 79 00 - Hardware Accessories
- 08 79 13 - Key Storage Equipment
- 08 80 00 - GLAZING
- 08 81 00 - Glass Glazing
- 08 81 13 - Decorative Glass Glazing
- 08 83 13 - Mirrored Glass Glazing
- 08 88 56 - Ballistics-Resistant Glazing
- 08 91 26 - Door Louvers
- 08 95 00 - Vents
- 08 95 13 - Soffit Vents
- 08 95 16 - Wall Vents
- 08320 - Detention Doors and Frames
- 08340 - Special Function Doors
- 08341 - Security Doors
- 08770 - Door and Window Accessories
- 08800 - Glazing
- 08810 - Glass
- 10 82 00 - Grilles and Screens
- 10225 - Door Louvers and Vision Lights
- 10230 - Vents
- 10240 - Grilles and Screens
- 15700 - Heating, Ventilating, Air Conditioning Equipment
- 15760 - Terminal Heating and Cooling Units
- 15800 - Air Distribution
- 15850 - Air Outlets and Inlets
- 15860 - Air Cleaning Devices
- 15935 - Building Systems Controls
- 23 30 00 - HVAC AIR DISTRIBUTION
- 23 35 13 - Sawdust Collection Systems
- 23 37 00 - Air Outlets and Inlets
- 23 37 13 - Diffusers, Registers, and Grilles
- 23 37 23 - HVAC Gravity Ventilators
- 23 40 00 - HVAC AIR CLEANING DEVICES
- 23 41 00 - Particulate Air Filtration
- 23 41 33 - High-Efficiency Particulate Filtration
- 23 41 43 - Ultra-Low Penetration Filtration
- 23 43 00 - Electronic Air Cleaners
- 23 50 00 - CENTRAL HEATING EQUIPMENT
- 23 60 00 - CENTRAL COOLING EQUIPMENT
- 23 70 00 - CENTRAL HVAC EQUIPMENT
- 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
- 23 82 00 - Convection Heating and Cooling Units
- 23 82 16 - Air Coils
- 23 82 19 - Fan Coil Units
- 23 82 23 - Unit Ventilators
- 23 82 26 - Induction Units
- 23 82 33 - Convectors
- 23 82 36 - Finned-Tube Radiation Heaters
- 23 82 39 - Unit Heaters
- 25 00 00 - INTEGRATED AUTOMATION
- 44 11 16 - Industrial Dust Collectors