23 - Heating, Ventilating and Air Conditioning

• 23 0000 - HVAC
  • 23 0500 - Basic Materials and Methods
    • 07 8400 - Penetration Firestopping
    • 23 0510 - Valves & Regulators
    • 23 0520 - Hangers, Struts and Supports
    • 23 0530 - Heat Tracing for HVAC Piping
    • 23 0550 - Mechanical Sound, Vibration and Seismic Control
    • 23 0560 - Pipe and Duct Identification
    • 23 0570 - Pipe and Wire Concealment
    • 23 0580 - HVAC Coil Anti-Corrosion Coatings
    • 33 1660 - Shop Fabricated Tanks
  • 23 0700 - HVAC Insulation
    • 23 0750 - HVAC Insulation
  • 23 0900 - Instrumentation & Control for HVAC
• 23 1000 - Facility Fuel Systems
  • 23 1100 - Fuel Oil Specialties
  • 23 1200 - Natural Gas Piping
• 23 2000 - HVAC Piping and Pumps
  • 23 2100 - Hydronic Piping and Pumps
    • 23 2110 - Pipes and Tubes
    • 23 2120 - Pumps
    • 23 2140 - Piping Specialties
  • 23 2200 - Steam and Condensate Piping
• 23 3000 - HVAC Air Distribution
  • 23 3100 - HVAC Ducts and Casings
    • 23 3130 - Fabric Ducts
  • 23 3300 - Duct Specialties
  • 23 3400 - HVAC Fans
    • 23 3410 - Axial and Centrifugal Fans
    • 23 3430 - Air Curtain Doors
    • 23 3450 - Bathroom Exhaust Fans
    • 23 3460 - Roof and Attic Fans
    • 23 3470 - Commercial Ceiling Fans
    • 11 3200 - Residential Ceiling Fans
  • 23 3500 - Special Exhaust Systems
  • 23 3600 - Air Terminal Units
    • 23 3630 - Chilled Beams
  • 23 3700 - Air Outlets and Inlets
  • 23 3800 - Ventilation Hoods
    • 23 3810 - Commercial Kitchen Hoods
    • 23 3830 - Laboratory Fume Hoods
• 23 4000 - HVAC Air Cleaning Devices
• 23 5000 - Central Heating Equipment
  • 23 5200 - Boilers
  • 23 5500 - Fuel-Fired Heaters
    • 23 5540 - Fuel-Fired Radiant Heaters
• • 23 5600 - Solar Energy Heating Equipment
• 23 6000 - Central Cooling Equipment
  • 23 6400 - Packaged Water Chillers
  • 23 6500 - Cooling Towers (Packaged and Field-Assembled)
• 23 7000 - Central HVAC Equipment
  • 23 7100 - Thermal Energy Storage
  • 23 7200 - Energy Recovery Equipment
  • 23 7300 - Indoor Central-Station Air-Handling Units
  • 23 7400 - Packaged Outdoor HVAC Equipment
  • 23 7600 - Evaporative Cooling
• 23 8000 - Decentralized HVAC Equipment
  • 23 8100 - Unitary Air Conditioning Equipment
    • 23 8140 - Heat Pumps & Geothermal
  • 23 8200 - Terminal Heating and Cooling Units
  • 23 8300 - Radiant Heating Units
    • 23 8310 - Floor Warming and Snow-Melting Equipment
    • 23 8330 - Radiant Heating Units
  • 23 8400 - Humidity Control Equipment
  • 23 8500 - Misting Coolers