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| 230900 Mechanical Systems Controls | Word Document | May 2024 | 15975 |
| 230901 Mechanical Systems Controls TURNKEY | Word Document | June 2023 | |
| 230905 Mechanical Systems Controls (Hospital Projects) | Word Document | July 2026 | |
| 230910 VAV/Combination Sash Fume Hood Laboratory Controls-DDC | Word Document | June 2021 | 15912 |
| 230920 Lab Terminal Air Flow Units & Controls | Word Document | June 2015 | 15910 |
| 230930 Refrigerant Detection & Alarm | Word Document | November 2018 | 15635 |
| 231113 Fuel Oil Systems | Word Document | December 2012 | 15483 |
| 231123 Facility Natural Gas Piping | Word Document | June 2025 | 15488 |
| 232116 Hydronic Piping Specialties | Word Document | January 2023 | 15515 |
| 232123 Plumbing and Hydronic Pumps | Word Document | April 2018 | 15160 |
| 232216 Steam & Condensate Piping Specialties | Word Document | December 2012 | 15525 |
| 232300 Refrigerant Piping | Word Document | April 2018 | 15530 |
| 232513 Chemical Water Treatment – Closed Loop | Word Document | February 2026 | 15189 |
| 232516 – Chemical Water Treatment – Open Loop Systems | Word Document | February 2026 | |
| 232519 Steam Boiler Chemical Water Treatment | Word Document | December 2012 | 15188 |
| 233100 HVAC Ducts & Casings | Word Document | June 2025 | 15890 |
| 233300 Air Duct Accessories & RGDs | Word Document | June 2025 | 15895 |
| 233400 Fans | Word Document | June 2025 | 15870 |
| 233600 Air Terminal Units | Word Document | January 2024 | 15896 |
| 234000 HVAC Air Cleaning Devices | Word Document | June 2025 | 15885 |
| 235100 Breechings, Chimneys & Stacks | Word Document | April 2018 | 15575 |
| 235150 Venting Systems For Specialty Gas Fired Appliances | Word Document | October 2023 | |
| 235239 Fire Tube Boilers (Hot Water) | Word Document | October 2023 | 15557 |
| 235240 Fire Tube Boilers (Steam) | Word Document | April 2018 | 15558 |
| 235300 Heating Boiler Feed Water & Blow-down Equip | Word Document | December 2012 | 15559 |
| 235716 Steam-To-Water Heat Exchangers | Word Document | November 2022 | |
| 235719 Plate Type Liquid to Liquid Heat Exchanger | Word Document | January 2014 | |
| 236416 Centrifugal Water Chillers | Word Document | February 2013 | 15684 |
| 236500 Cooling Towers | Word Document | March 2013 | 15710 |
| 237213 Rotary Air-to-Air Energy Recovery Wheels | Word Document | January 2024 | |
| 237323 Custom Air Handling Units | Word Document | June 2025 | 15854 |
| 237324 Semi-Custom Air Handling Units | Word Document | January 2024 | 15855 |
| 238200 Terminal Heating Units – Hot Water | Word Document | February 2022 | |
| 238216 Coils and Drain Pans | Word Document | June 2025 | 15820 |
| 238219 Floor Mounted Fan Coil Units (Un-ducted) | Word Document | January 2020 | 15763 |
| 238220 Horizontal Fan Coil Units | Word Document | August 2020 | 15764 |
| 238221 Blower Coil Units | Word Document | August 2020 | 15765 |
| 238245 Chilled Beams | Word Document | October 2022 | |
| 238413 Steam Humidifiers | Word Document | June 2025 | 15810 |
