| [ 15050 ] | BASIC MECHANICAL MATERIALS AND METHODS |
| [ 15052 ] | Common Work Results for HVAC* |
| [ 15060 ] | Hangers and Supports |
| [ 15061 ] | Pipe Enclosures* |
| [ 15062 ] | Rooftop Supports and Walkways* |
| [ 15070 ] | Mechanical Sound, Vibration, and Seismic Control |
| [ 15075 ] | Mechanical Identification |
| [ 15076 ] | Piping and Valve Identification* |
| [ 15080 ] | Mechanical Insulation |
| [ 15081 ] | PLUMBING INSULATION* |
| [ 15082 ] | Duct Acoustical and Thermal Insulation* |
| [ 15083 ] | Pipe and Equipment Insulation* |
| [ 15090 ] | Mechanical Restoration and Retrofit |
| [ 15100 ] | BUILDING SERVICES PIPING |
| [ 15105 ] | Pipes and Tubes |
| [ 15110 ] | Valves |
| [ 15120 ] | Piping Specialties |
| [ 15125 ] | Sleeves and Hangers* |
| [ 15130 ] | Pumps |
| [ 15140 ] | Domestic Water Piping |
| [ 15145 ] | Plumbing Piping* |
| [ 15150 ] | Sanitary Waste and Vent Piping |
| [ 15151 ] | Air Admittance Valves |
| [ 15160 ] | Storm Drainage |
| [ 15170 ] | Swimming Pool and Fountain Piping |
| [ 15180 ] | Heating and Cooling Piping |
| [ 15182 ] | Hydronic Piping* |
| [ 15184 ] | Refrigerant Piping* |
| [ 15190 ] | Fuel Piping |
| [ 15200 ] | PROCESS PIPING |
| [ 15210 ] | Process Air and Gas Piping |
| [ 15220 ] | Process Water and Waste Piping |
| [ 15230 ] | Industrial Process Piping |
| [ 15300 ] | FIRE PROTECTION PIPING |
| [ 15400 ] | PLUMBING FIXTURES AND EQUIPMENT |
| [ 15410 ] | Plumbing Fixtures |
| [ 15411 ] | Fittings, Trim and Accessories* |
| [ 15412 ] | Drinking Fountains and Water Coolers* |
| [ 15413 ] | Porcelain Steel Shower and Bathtub Walls, Liners, and Pans* |
| [ 15414 ] | Drainage Waste and Vent Piping* |
| [ 15415 ] | Restroom Plumbing Fixtures* |
| [ 15416 ] | Restroom Lavatories* |
| [ 15420 ] | Toilets* |
| [ 15430 ] | Plumbing Specialties* |
| [ 15440 ] | Plumbing Pumps |
| [ 15450 ] | Potable Water Storage Tanks |
| [ 15460 ] | Domestic Water Conditioning Equipment |
| [ 15470 ] | Domestic Water Filtrating Equipment |
| [ 15480 ] | Domestic Water Heaters |
| [ 15490 ] | Pool and Fountain Equipment |
| [ 15500 ] | HEAT-GENERATION EQUIPMENT |
| [ 15510 ] | Heating Boilers and Accessories |
| [ 15520 ] | Feedwater Equipment |
| [ 15530 ] | Furnaces |
| [ 15540 ] | Fuel-Fired Heaters |
| [ 15550 ] | Breechings, Chimneys, and Stacks |
| [ 15560 ] | Radiant-Heating |
| [ 15600 ] | REFRIGERATION EQUIPMENT |
| [ 15610 ] | Refrigeration Compressors |
| [ 15620 ] | Packaged Water Chillers |
| [ 15630 ] | Refrigerant Monitoring Systems |
| [ 15640 ] | Packaged Cooling Towers |
| [ 15650 ] | Field-Erected Cooling Towers |
| [ 15660 ] | Liquid Coolers and Evaporative Condensers |
| [ 15670 ] | Refrigerant Condensing Units |
| [ 15700 ] | HEATING, VENTILATING, AND AIR CONDITIONING EQUIPMENT |
| [ 15710 ] | Heat Exchangers |
| [ 15718 ] | Air Turnover Equipment* |
| [ 15720 ] | Air Handling Units |
| [ 15730 ] | Unitary Air Conditioning Equipment |
| [ 15740 ] | Heat Pumps |
| [ 15750 ] | Humidity Control Equipment |
| [ 15760 ] | Terminal Heating and Cooling Units |
| [ 15765 ] | Fan Coil Units |
| [ 15768 ] | Direct Fired Unit Heaters* |
| [ 15769 ] | Indirect Fired Unit Heaters* |
| [ 15770 ] | Floor-Heating and Snow-Melting Equipment |
| [ 15780 ] | Energy Recovery Equipment |
| [ 15800 ] | AIR DISTRIBUTION |
| [ 15810 ] | Ducts |
| [ 15820 ] | Duct Accessories |
| [ 15830 ] | Fans |
| [ 15840 ] | Air Terminal Units |
| [ 15842 ] | Air Curtain Units |
| [ 15850 ] | Air Outlets and Inlets |
| [ 15855 ] | Diffusers, Registers and Grilles* |
| [ 15860 ] | Air Cleaning Devices |
| [ 15900 ] | HVAC INSTRUMENTATION AND CONTROLS |
| [ 15905 ] | HVAC Instrumentation |
| [ 15910 ] | Direct Digital Controls |
| [ 15915 ] | Electric and Electronic Control |
| [ 15920 ] | Pneumatic Controls |
| [ 15924 ] | Analog Control Equipment* |
| [ 15925 ] | Pneumatic and Electric Controls |
| [ 15928 ] | Instruments and Control Equipment* |
| [ 15930 ] | Self-Powered Controls |
| [ 15935 ] | Building Systems Controls |
| [ 15950 ] | TESTING, ADJUSTING, AND BALANCING |
