- 13 20 00 - SPECIAL PURPOSE ROOMS
- 13 21 13 - Clean Rooms
- 13 21 16 - Hyperbaric Rooms
- 13 21 23 - Insulated Rooms
- 13 21 26 - Cold Storage Rooms
- 13 21 48 - Sound-Conditioned Rooms
- 13 22 00 - Office Shelters and Booths
- 13 23 00 - Planetariums
- 13 24 16 - Saunas
- 13 24 26 - Steam Baths
- 13 24 66 - Athletic Rooms
- 13 26 00 - Fabricated Rooms
- 13 27 00 - Vaults
- 13030 - Special Purpose Rooms
- 13124 - Portable & Mobile Buildings
- 15070 - Mechanical Sound, Vibration, and Seismic C
- 15620 - Packaged Water Chillers
- 15730 - Unitary Air Conditioning Equipment
- 16200 - Electrical Power
- 16220 - Motors and Generators
- 16230 - Generator Assemblies
- 21 05 48 - Vibration and Seismic Controls for Fire-Suppression Piping and Equipment
- 22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment
- 23 05 48 - Vibration and Seismic Controls for HVAC Piping and Equipment
- 23 64 00 - Packaged Water Chillers
- 23 64 13 - Absorption Water Chillers
- 23 64 16 - Centrifugal Water Chillers
- 23 64 19 - Reciprocating Water Chillers
- 23 64 26 - Rotary-Screw Water Chillers
- 23 81 00 - Decentralized Unitary HVAC Equipment
- 23 81 13 - Packaged Terminal Air-Conditioners
- 23 81 16 - Room Air-Conditioners
- 23 81 26 - Split-System Air-Conditioners
- 26 05 00 - Common Work Results for Electrical
- 26 30 00 - FACILITY ELECTRICAL POWER GENERATING AND STORING EQUIPMENT
- 26 32 00 - Packaged Generator Assemblies
- 26 32 13 - Engine Generators
- 26 32 26 - Frequency Changers
- 26 32 29 - Rotary Converters
- 26 32 33 - Rotary Uninterruptible Power Units
- 48 00 00 - ELECTRICAL POWER GENERATION