Masterformat 2004
Division 0
Division 1
Division 2
Division 3
Division 4
Division 5
Division 6
Division 7
Division 8
Division 9
Division 10
Division 11
Division 12
Division 13
Division 14
Division 21
Division 22
Division 23
Division 25
Division 26
Division 27
Division 28
Division 31
Division 32
Division 33
Division 34
Division 35
Division 40
Division 41
Division 42
Division 43
Division 44
Division 45
Division 48
Masterformat 1995
Uniformat
Masterformat 2004 - Division 23
Division 23 HVAC
Preliminary organizational items
23 01 00 Operation and maintenance of HVAC
23 01 10 Fuel systems
23 01 20 Pipe and pumps
23 01 30 Air distribution
23 01 30.51 Duct cleaning
23 01 50 Central heating equipment
23 01 60 Central cooling equipment
23 01 60.71 Refrigerant recovery
23 01 70 Central HVAC equipment
23 01 80 Decentralized HVAC equipment
23 01 90 HVAC diagnostic systems
23 05 00 Common work results for HVAC
23 05 13 Motor requirements for equipment
23 05 16 Expansion fittings and loops for pipe
23 05 19 Pipe meters and gauges
23 05 23 General duty valves
23 05 29 Hangers and supports for pipe and equipment
23 05 33 Heat trace
23 05 48 Vibration and earthquake controls
23 05 53 Pipe identification
23 05 63 Anti-microbe ductwork coatings
23 05 66 Anti-microbe ductwork ultraviolet emitters
23 05 93 Testing, adjusting and balancing
23 06 00 Schedules for HVAC
23 06 10 Fuel service systems
23 06 20 Pipe and pumps
23 06 20.13 Hydronic pumps
23 06 30 Air distribution
23 06 30.13 Fans
23 06 30.16 Air terminal units
23 06 30.19 Air outlets and inlets
23 06 30.23 Air cleaning devices
23 06 50 Central heating
23 06 60 Central cooling
23 06 60.13 Refrigerant condensers
23 06 60.16 Packaged water chillers
23 06 70 Central HVAC equipment
23 06 70.13 Indoor central station air handling units
23 06 70.16 Packaged outdoor HVAC equipment
23 06 80 Decentralized HVAC equipment
23 06 80.13 Unitary equipment
23 06 80.16 Convection heating and cooling units
23 06 80.19 Radiant heating
23 07 00 Insulation
23 07 16 Ductwork
23 07 19 Equipment
23 07 19 Pipe
23 08 00 Commissioning of HVAC
23 09 00 Instrumentation and control
23 09 13 Instrumentation and control devices
23 09 13.13 Actuators and operators
23 09 13.23 Sensors and transmitters
23 09 13.33 Control valves
23 09 13.43 Dampers
23 09 23 Direct digital control systems
23 09 33 Electric and electronic systems
23 09 43 Pneumatic control systems
23 09 53 Pneumatic / electrical control systems
23 09 93 Operation sequences
23 10 00 Building fuel systems
23 11 00 Fuel pipe
23 11 13 Fuel oil
23 11 16 Gasoline
23 11 23 Natural gas
23 11 26 Liquefied petroleum gas
23 12 00 Fuel pumps
23 12 13 Fuel oil pumps
23 12 16 Gasoline pumps
23 13 00 Fuel storage tanks
23 13 13 Underground fuel oil tanks
23 13 13.13 Double wall steel tanks
23 13 13.16 Composite steel tanks
23 13 13.19 Jacketed steel tanks
23 13 13.23 Fiberglass reinforced plastic tanks
23 13 13.33 Pumps
23 13 23 Aboveground fuel oil tanks
23 13 23.13 Vertical steel tanks
23 13 23.16 Horizontal steel tanks
23 13 23.23 Containment dike steel tanks
23 13 23.33 Insulated steel tanks
23 13 23.26 Concrete vaulted steel tanks
23 20 00 HVAC pipe and pumps
23 21 00 Hydronic pipe and pumps
23 21 13 Pipe
23 21 13.13 Underground hydronic pipe
23 21 13.23 Aboveground hydronic pipe
23 21 13.33 Ground loop heat pump pipe
23 21 23 Pumps
23 21 23.13 In line centrifugal pumps
23 21 23.16 Base mounted centrifugal pumps
23 21 23.19 Vertical mounted double suction centrifugal pumps
23 21 23.23 Vertical turbine pumps
23 21 29 Automatic condensate pump units
23 22 00 Steam and condensate pipe and pumps
23 22 13 Steam and condensate heating pipe
23 22 13.13 Underground
23 22 13.23 Aboveground
23 22 23 Steam condensate pumps
23 22 23.13 Electric
23 22 23.23 Pressure driven
23 23 00 Refrigerant pipe
23 23 13 Pipe valves
23 23 16 Specialties
23 23 19 Safety relief valve discharge pipe
23 23 23 Refrigerants
23 24 00 Internal combustion engine pipe
23 24 13 Remote radiator coolant pipe
23 24 16 Exhaust pipe
23 25 00 HVAC water treatment
23 25 13 Closed loop hydronic system treatment
23 25 16 Open hydronic system treatment
23 25 19 Steam system feedwater treatment
23 25 23 Humidification steam system feedwater treatment
23 30 00 Air distribution
23 31 00 Ductwork and casings
23 31 13 Metal ductwork
23 31 13.13 Rectangular ductwork
23 31 13.16 Round and flat oval spiral ductwork
23 31 13.19 Fittings
23 31 16 Nonmetal ductwork
23 31 16.13 Fiberglass
23 31 16.16 Thermoset fiberglass reinforced plastic (FRP)
23 31 16.19 PVC
23 31 16.26 Concrete
23 31 19 Casings
23 32 00 Plenums and chases
23 32 13 Fabricated metal plenums
23 32 33 Air distribution ceiling plenums
23 32 36 Air distribution floor plenums
23 32 39 Air distribution Wall plenums
23 32 43 Air distribution chases formed by general construction
23 32 48 Acoustical plenums
23 33 00 Ductwork accessories
23 33 13 Dampers
23 33 13.13 Volume control
23 33 13.16 Fire
23 33 13.19 Smoke control
23 33 13.23 Backdraft dampers
23 33 19 Duct silencers
23 33 23 Turning vanes
23 33 33 Access doors
23 33 43 Flexible connectors
23 33 46 Flexible ductwork
23 33 53 Duct liners
23 34 00 Fans
23 34 13 Axial fans
23 34 16 Centrifugal fans
23 34 23 Power ventilators
23 34 33 Air curtains
23 35 00 Special exhaust systems
23 35 13 Sawdust collection
23 35 16 Engine exhaust systems
23 35 16.13 Positive pressure
23 35 16.16 Mechanical engine systems
23 36 00 Air terminal units
23 36 13 CAV (constant air volume)
23 36 16 VAV (variable air volume)
23 37 00 Air outlets and inlets
23 37 13 Diffusers, registers and grilles
23 37 16 Fabric air distribution devices
23 37 23 Gravity ventilators
23 37 23.13 Dome ventilators
23 37 23.16 Louvered penthouse ventilators
23 37 23.19 Upblast ventilators
23 38 00 Ventilation hoods
23 38 13 Commercial kitchen hoods
23 38 13.13 Listed
23 38 13.16 Standard
23 38 16 Fume hoods
23 40 00 Air cleaning devices
23 41 00 Particulate air filtration
23 41 13 Panel filters
23 41 16 Renewable media filters
23 41 19 Washable filters
23 41 23 Extended surface filters
23 41 33 High efficiency particulate filtration
23 41 43 Ultra-low penetration filtration
23 41 46 Super ultra-low penetration filtration
23 42 00 Gas phase air filtration
23 42 13 Activated carbon filtration
23 42 16 Chemically impregnated adsorption filtration
23 42 19 Catalytic adsorption filtration
23 43 00 Electronic air cleaners
23 43 13 Washable
23 43 16 Agglomerator
23 43 19 Self-contained
23 50 00 Central heating equipment
23 51 00 Breechings, chimneys and stacks
23 51 13 Draft control devices
23 51 13.13 Draft induction fans
23 51 13.16 Vent dampers
23 51 13.19 Barometric dampers
23 51 16 Fabricated breechings and accessories
23 51 19 Fabricated stacks
23 51 23 Gas vents
23 51 33 Insulated sectional chimneys
23 51 43 Flue gas filtration equipment
23 51 43.13 Gases
23 51 43.16 Particulates
23 52 00 Heating boilers
23 52 13 Electric
23 52 16 Condensing
23 52 13.13 Stainless steel
23 52 13.16 Aluminum
23 52 19 Pulse combustion
23 52 23 Cast iron
23 52 33 Water tube
23 52 33.13 Finned
23 52 33.13 Steel
23 52 33.13 Copper
23 52 39 Fire tube
23 52 39.13 Scotch marine
23 52 39.16 Steel
23 53 00 Feedwater equipment
23 53 13 Boiler feedwater pumps
23 53 16 Deaerators
23 54 00 Furnaces
23 54 13 Electric resistance
23 54 16 Fuel fired
23 54 13.13 Gas fired
23 54 13.16 Oil fired
23 55 00 Fuel fired heaters
23 55 13 Duct heaters
23 55 13.13 Oil fired
23 55 13.16 Gas fired
23 55 23 Gas fired radiant heaters
23 55 33 Unit heaters
23 55 33.13 Oil fired
23 55 33.16 Gas fired
23 56 00 Solar energy heating equipment
23 56 13 Solar collectors
23 56 13.13 Flat plate collectors
23 56 13.16 Concentrating collectors
23 56 13.19 Vacuum tube collectors
23 56 16 Packaged equipment
23 57 00 Heat exchangers
23 57 13 Steam to steam
23 57 16 Steam to water
23 57 19 Liquid to liquid
23 57 19.13 Plate type
23 57 19.16 Shell type
23 57 33 Direct geoexchange
23 60 00 Central cooling equipment
23 61 00 Refrigerant compressors
23 61 13 Centrifugal
23 61 13.13 Noncondensable gas purge equipment
23 61 16 Reciprocating
23 61 19 Scroll
23 61 23 Rotary screw
23 62 00 Packaged compressor and condenser units
23 62 13 Air cooled
23 62 23 Water cooled
23 63 00 Refrigerant condensers
23 63 13 Air cooled
23 63 23 Water cooled
23 63 33 Evaporative
23 64 00 Packaged water chillers
23 64 13 Absorption chillers
23 64 13.13 Direct fired
23 64 13.16 Indirect fired
23 64 16 Centrifugal
23 64 19 Reciprocating
23 64 23 Scroll
23 64 26 Rotary screw
23 65 00 Cooling towers
23 65 13 Forced draft towers
23 65 13.13 Open circuit
23 65 13.16 Closed circuit
23 65 16 Natural draft towers
23 65 23 Field erected towers
23 65 33 Liquid coolers
23 70 00 Central HVAC equipment
23 71 00 Thermal storage
23 71 13 Heat storage
23 71 13.13 Room storage heaters
23 71 13.16 Heat pump boosters
23 71 13.19 Central furnace storage units
23 71 13.23 Pressurized water thermal storage tanks
23 71 16 Chilled water storage
23 71 19 Ice storage
23 71 19.13 Internal ice on coil storage
23 71 19.16 External ice on coil storage
23 71 19.19 Encapsulated storage
23 71 19.23 Ice harvesting storage
23 71 19.26 Ice slurry storage
23 72 00 Air to air energy recovery equipment
23 72 13 Heat wheel equipment
23 72 16 Heat pipe equipment
23 72 19 Fixed plate equipment
23 72 23 Packaged units
23 73 00 Indoor central station air handling units (AHU’s)
23 73 13 Modular units
23 73 23 Custom units
23 73 33 Indirect fuel fired HV units
23 73 33.13 Oil fired
23 73 33.16 Gas fired
23 73 39 Direct gas fired HV units
23 74 00 Packaged outdoor equipment
23 74 13 Central station AHU’s
23 74 23 Heating only makeup air units
23 74 23.13 Direct fired
23 74 23.16 Indirect fired
23 74 33 Makeup air conditioners (heating and cooling)
23 75 00 Custom packaged outdoor equipment
23 75 13 Central station AHU’s
23 75 23 Makeup air conditioners (heating and ventilating)
23 75 33 Makeup air conditioners (heating and cooling)
23 76 00 Evaporative air cooling equipment
23 76 13 Direct
23 76 16 Indirect
23 76 19 Combined direct and indirect
23 80 00 Decentralized HVAC equipment
23 81 00 Unitary equipment
23 81 13 Packaged terminal air conditioners
23 81 16 Room air conditioners
23 81 19 Self contained air conditioners
23 81 19.13 Small capacity
23 81 19.16 Large capacity
23 81 23 Computer room air conditioners
23 81 26 Split system air conditioners
23 81 43 Air source unitary heat pumps
23 81 46 Water source unitary heat pumps
23 82 00 Convection heating and cooling units
23 82 13 Valance units
23 82 16 Air coils
23 82 19 Fan coil units
23 82 23 Unit ventilators
23 82 26 Induction units
23 82 29 Radiators
23 82 33 Convectors
23 82 36 Finned tube radiation heaters
23 82 39 Unit heaters
23 82 39.13 Cabinet
23 82 39.16 Propeller
23 82 39.19 Wall and ceiling
23 83 00 Radiant heating units
23 83 13 Electric heating cables
23 83 13.13 Electric mats
23 83 16 Hydronic pipe
23 83 23 Electric panels
23 83 33 Electric radiant heaters
23 84 00 Humidity control equipment
23 84 13 Humidifiers
23 84 16 Dehumidifiers
23 84 19 Indoor pool and ice rink dehumidification units
back
to top