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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

HVAC‐ General Operation and Maintenance of  HVAC Systems Operation and Maintenance of  Facility Fuel Systems

HVAC‐ General Operation and Maintenance of  HVAC Systems  Operation and Maintenance  of  HVAC Piping and 

Pumps

HVAC‐ General Operation and Maintenance of  HVAC S ys te ms Ope rati on and Maintenance  of  HVAC Air Distribution

HVAC‐ General Operation and Maintenance of  HVAC Systems HVAC Air‐Distribution System Cleaning

HVAC‐ General Operation and Maintenance of  HVAC Systems  Operation and Maintenance  of  Central Heating 

Equipment

HVAC‐ General Operation and Maintenance of  HVAC Systems  Operation and Maintenance of  Central Cooling 

Equipment

HVAC‐ General Operation and Maintenance of  HVAC Systems Refrigerant Recovery/Recycling

HVAC‐ General Operation and Maintenance of  HVAC Systems  Operation and Maintenance  of  Central HVAC 

Equipment

HVAC‐ General Operation and Maintenance of  HVAC Systems  Operation and Maintenance  of  Decentralized HVAC 

Equipment

HVAC‐ General Operation and Maintenance of  HVAC Systems Diagnostic Systems for HVAC

HVAC‐ General Common Work Results for HVAC  Selective Demolition for Heating, Ventilating, and Air 

Conditioning  (HVAC)

HVAC‐ General Common Work Results for HVAC Common Motor Requirements  for HVAC Equipment

HVAC‐ General Common Work Results for HVAC Expansion Fittings and Loops for HVAC Piping

HVAC‐ General Common Work Results for HVAC Meters and Gages for HVAC Piping

HVAC‐ General Common Work Results for HVAC General‐Duty Valves for HVAC Piping

HVAC‐ General Common Work Results for HVAC Hangers and Supports for HVAC Piping and Equipment

HVAC‐ General Common Work Results for HVAC Heat Tracing for HVAC Piping

HVAC‐ General Common Work Results for HVAC Vibration and Seismic Controls  for HVAC

HVAC‐ General Common Work Results for HVAC Identification for HVAC Piping and Equipment

HVAC‐

General Common Work

 Results

 for

 HVAC

  Anti‐Microbial  Coatings for HVAC Ducts and 

Equipment

HVAC‐ General Common Work Results for HVAC  Anti‐Microbial Ultraviolet Emitters for HVAC Ducts and 

Equipment

HVAC‐ General Common Work Results for HVAC Testing, Adjusting,  and Balancing  for HVAC

HVAC‐ General Schedules for HVAC Schedules for Facility Fuel Service Systems

HVAC‐ General Schedules for HVAC Schedules for HVAC Piping and Pumps

HVAC‐ General Schedules for HVAC Hydronic Pump Schedule

HVAC‐ General Schedules for HVAC Schedules for HVAC Air Distribution

HVAC‐ General Schedules for HVAC HVAC Fan Schedule

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

HVAC‐ General Schedules for HVAC Air Terminal Unit Schedule

HVAC‐ General Schedules for HVAC Air Outlet and Inlet Schedule

HVAC‐ General Schedules for HVAC HVAC Air Cleaning Device Schedule

HVAC‐ General Schedules for HVAC Schedules for Central Heating Equipment

HVAC‐ General Schedules for HVAC Heating Boiler Schedule

HVAC‐ General Schedules for HVAC Schedules for Central Cooling Equipment

HVAC‐ General Schedules for HVAC Refrigerant Condenser  Schedule

HVAC‐ General Schedules for HVAC Packaged Water Chiller Schedule

HVAC‐ General Schedules for HVAC Schedules for Central HVAC Equipment

HVAC‐ General Schedules for HVAC Indoor, Central‐Station Air‐Handling Unit Schedule

HVAC‐ General Schedules for HVAC Packaged Outdoor HVAC Equipment  Schedule

HVAC‐ General Schedules for HVAC Schedules for Decentralized HVAC Equipment

HVAC‐ General Schedules for HVAC Decentralized Unitary HVAC Equipment Schedule

HVAC‐ General Schedules for HVAC Convection Heating and Cooling Unit Schedule

HVAC‐ General Schedules for HVAC Radiant Heating Unit Schedule

HVAC‐ General HVAC Insulation Duct Insulation

HVAC‐ General HVAC Insulation HVAC Equipment  Insulation

HVAC‐ General HVAC Insulation HVAC Piping Insulation

HVAC‐ General Commissioning of  HVAC

HVAC‐

General Instrumentation and

 Control

 for

 HVAC Instrumentation

 and

 Control

 Devices

 for

 HVAC

HVAC‐ General Instrumentation and Control for HVAC Actuators and Operators

HVAC‐ General Instrumentation and Control for HVAC Sensors and Transmitters

HVAC‐ General Instrumentation and Control for HVAC Control Valves

HVAC‐ General Instrumentation and Control for HVAC Control Dampers

HVAC‐ General Instrumentation and Control for HVAC Direct‐Digital Control System for HVAC

HVAC‐ General Instrumentation and Control for HVAC Electric and Electronic Control System for HVAC

HVAC‐ General Instrumentation and Control for HVAC Pneumatic Control System for HVAC

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

HVAC‐ General Instrumentation and Control for HVAC Pneumatic and Electric Control System for HVAC

HVAC‐ General Instrumentation and Control for HVAC Sequence of  Operations  for HVAC Controls

Facility Fuel Systems Facility Fuel Piping Facility Fuel‐Oil Piping

Facility Fuel Systems Facility Fuel Piping Facility Gasoline  Piping

Facility Fuel Systems Facility Fuel Piping Facility Natural‐Gas Piping

Facility Fuel Systems Facility Fuel Piping Facility Liquefied‐Petroleum Gas Piping

Facility Fuel Systems Facility Fuel Pumps Facility Fuel‐Oil Pumps

Facility Fuel Systems Facility Fuel Pumps Facility Gasoline Dispensing Pumps

Facility Fuel Systems Facility Fuel‐Storage Tanks Facility Underground  Fuel‐Oil, Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks  Double‐Wall Steel, Underground Fuel‐Oil, Storage 

Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks Composite, Steel, Underground Fuel‐Oil, Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks Jacketed, Steel, Underground  Fuel‐Oil, Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks  Glass‐Fiber‐Reinforced‐Plastic, Underground Fuel‐Oil, 

Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks Fuel‐Oil Storage Tank Pumps

Facility Fuel Systems Facility Fuel‐Storage Tanks Facility Aboveground Fuel‐Oil, Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks Vertical, Steel, Aboveground  Fuel‐Oil, Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks Horizontal, Steel, Aboveground  Fuel‐Oil, Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks  Containment‐Dike, Steel, Aboveground Fuel‐Oil, 

Storage Tanks

Facility Fuel Systems Facility Fuel‐Storage Tanks Insulated, Steel, Aboveground  Fuel‐Oil, Storage Tanks

Facility Fuel

 Systems Facility

 Fuel

‐Storage

 Tanks

  Concrete‐Vaulted, Steel, Aboveground Fuel‐Oil, 

Storage Tanks

HVAC Piping and Pumps Hydronic Piping and Pumps Hydronic Piping

HVAC Piping and Pumps Hydronic Piping and Pumps Underground Hydronic Piping

HVAC Piping and Pumps Hydronic Piping and Pumps Aboveground Hydronic Piping

HVAC Piping and Pumps Hydronic Piping and Pumps Ground‐Loop Heat‐Pump Piping

HVAC Piping and Pumps Hydronic Piping and Pumps Hydronic Piping Specialties

HVAC Piping and Pumps Hydronic Piping and Pumps Hydronic Pumps

HVAC Piping and Pumps Hydronic Piping and Pumps In‐Line Centrifugal Hydronic Pumps

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

HVAC Piping and Pumps Hydronic Piping and Pumps Base‐Mounted, Centrifugal Hydronic Pumps

HVAC Piping and Pumps Hydronic Piping and Pumps  Vertical‐Mounted, Double‐Suction Centrifugal 

Hydronic Pumps

HVAC Piping and Pumps Hydronic Piping and Pumps Vertical‐Turbine Hydronic Pumps

HVAC Piping and Pumps Hydronic Piping and Pumps Automatic Condensate Pump Units

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Steam and Condensate  Heating Piping

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Underground Steam and Condensate Heating Piping

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Aboveground Steam and Condensate Heating Piping

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Steam and Condensate Heating Piping Specialties

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Steam Condensate Pumps

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Electric‐Driven Steam Condensate  Pumps

HVAC Piping and Pumps Steam and Condensate Piping and Pumps Pressure‐Powered Steam Condensate Pumps

HVAC Piping and Pumps Refrigerant Piping Refrigerant Piping Valves

HVAC Piping and Pumps Refrigerant Piping Refrigerant Piping Specialties

HVAC Piping and Pumps Refrigerant Piping Refrigerant Safety Relief  Valve Discharge Piping

HVAC Piping and Pumps Refrigerant Piping Refrigerants

HVAC Piping and Pumps Internal‐Combustion  Engine Piping  Internal‐Combustion  Engine Remote‐Radiator Coolant 

Piping

HVAC Piping and Pumps Internal‐Combustion  Engine Piping Internal‐Combustion  Engine Exhaust Piping

HVAC Piping and Pumps HVAC Water Treatment Water Treatment for Closed‐Loop Hydronic Systems

HVAC Piping and Pumps HVAC Water Treatment Water Treatment for Open Hydronic Systems

HVAC Piping

 and

 Pumps HVAC

 Water

 Treatment Water

 Treatment

 for

 Steam

 System

 Feedwater

HVAC Piping and Pumps HVAC Water Treatment  Water Treatment for Humidification Steam System 

Feedwater

HVAC Air Distribution HVAC Ducts and Casings Metal Ducts

HVAC Air Distribution HVAC Ducts and Casings Rectangular Metal Ducts

HVAC Air Distribution HVAC Ducts and Casings Round and Flat‐Oval Spiral Ducts

HVAC Air Distribution HVAC Ducts and Casings Metal Duct Fittings

HVAC Air Distribution HVAC Ducts and Casings Nonmetal Ducts

HVAC Air Distribution HVAC Ducts and Casings Fibrous‐Glass Ducts

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

HVAC Air Distribution HVAC Ducts and Casings Thermoset Fiberglass‐Reinforced  Plastic Ducts

HVAC Air Distribution HVAC Ducts and Casings PVC Ducts

HVAC Air Distribution HVAC Ducts and Casings Concrete Ducts

HVAC Air Distribution HVAC Ducts and Casings HVAC Casings

HVAC Air Distribution Air Plenums and Chases Fabricated, Metal Air Plenums

HVAC Air Distribution Air Plenums and Chases Air‐Distribution Ceiling Plenums

HVAC Air Distribution Air Plenums and Chases Air‐Distribution Floor Plenums

HVAC Air Distribution Air Plenums and Chases Air‐Distribution Wall Plenums

HVAC Air Distribution Air Plenums and Chases  Air‐Distribution Chases Formed by General 

Construction

HVAC Air Distribution Air Plenums and Chases Acoustical Air Plenums

HVAC Air Distribution Air Duct Accessories Dampers

HVAC Air Distribution Air Duct Accessories Volume‐Control Dampers

HVAC Air Distribution Air Duct Accessories Fire Dampers

HVAC Air Distribution Air Duct Accessories Smoke‐Control Dampers

HVAC Air Distribution Air Duct Accessories Backdraft Dampers

HVAC Air Distribution Air Duct Accessories Duct Silencers

HVAC Air Distribution Air Duct Accessories Turning Vanes

HVAC Air Distribution Air Duct Accessories Duct‐Mounting Access Doors

HVAC Air Distribution Air Duct Accessories Flexible Connectors

HVAC Air

 Distribution Air

 Duct

 Accessories Flexible

 Ducts

HVAC Air Distribution Air Duct Accessories Duct Liners

HVAC Air Distribution HVAC Fans Axial HVAC Fans

HVAC Air Distribution HVAC Fans Centrifugal HVAC Fans

HVAC Air Distribution HVAC Fans HVAC Power Ventilators

HVAC Air Distribution HVAC Fans Air Curtains

HVAC Air Distribution HVAC Fans Air Destratification Fans

HVAC Air Distribution Special Exhaust Systems Dust Collection Systems

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

HVAC Air Distribution Special Exhaust Systems Sawdust Collection Systems

HVAC Air Distribution Special Exhaust Systems Engine Exhaust Systems

HVAC Air Distribution Special Exhaust Systems Positive‐Pressure  Engine Exhaust Systems

HVAC Air Distribution Special Exhaust Systems Mechanical Engine Exhaust Systems

HVAC Air Distribution Air Terminal Units Constant‐Air‐Volume Units

HVAC Air Distribution Air Terminal Units Variable‐Air‐Volume Units

HVAC Air Distribution Air Outlets and Inlets Diffusers, Registers,  and Grilles

HVAC Air Distribution Air Outlets and Inlets Fabric Air Distribution Devices

HVAC Air Distribution Air Outlets and Inlets HVAC Gravity Ventilators

HVAC Air Distribution Air Outlets and Inlets HVAC Gravity Dome Ventilators

HVAC Air Distribution Air Outlets and Inlets HVAC Gravity Louvered‐Penthouse  Ventilators

HVAC Air Distribution Air Outlets and Inlets HVAC Gravity Upblast Ventilators

HVAC Air Distribution Ventilation Hoods Commercial‐Kitchen Hoods

HVAC Air Distribution Ventilation Hoods Listed Commercial‐Kitchen Hoods

HVAC Air Distribution Ventilation Hoods Standard Commercial‐Kitchen Hoods

HVAC Air Distribution Ventilation Hoods Fume Hoods

HVAC Air Cleaning Devices Particulate Air Filtration Panel Air Filters

HVAC Air Cleaning Devices Particulate Air Filtration Renewable‐Media Air Filters

HVAC Air Cleaning Devices Particulate Air Filtration Washable Air Filters

HVAC Air

 Cleaning

 Devices Particulate

 Air

 Filtration Extended

 Surface

 Filters

HVAC Air Cleaning Devices Particulate Air Filtration High‐Efficiency Particulate Filtration

HVAC Air Cleaning Devices Particulate Air Filtration Ultra‐Low Penetration Filtration

HVAC Air Cleaning Devices Particulate Air Filtration Super Ultra‐Low Penetration Filtration

HVAC Air Cleaning Devices Gas‐Phase Air Filtration Activated‐Carbon Air Filtration

HVAC Air Cleaning Devices Gas‐Phase Air Filtration Chemically‐Impregnated  Adsorption  Air Filtration

HVAC Air Cleaning Devices Gas‐Phase Air Filtration Catalytic‐Adsorption  Air Filtration

HVAC Air Cleaning Devices Electronic Air Cleaners Washable Electronic Air Cleaners

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

HVAC Air Cleaning Devices Electronic Air Cleaners Agglomerator Electronic Air Cleaners

HVAC Air Cleaning Devices Electronic Air Cleaners Self  ‐Contained Electronic Air Cleaners

Central Heating Equipment Breechings, Chimneys, and Stacks Draft Control Devices

Central Heating Equipment Breechings, Chimneys, and Stacks Draft‐Induction Fans

Central Heating Equipment Breechings, Chimneys, and Stacks Vent Dampers

Central Heating Equipment Breechings, Chimneys, and Stacks Barometric Dampers

Central Heating Equipment Breechings, Chimneys, and Stacks Fabricated Breechings  and Accessories

Central Heating Equipment Breechings, Chimneys, and Stacks Fabricated Stacks

Central Heating Equipment Breechings, Chimneys, and Stacks Gas Vents

Central Heating Equipment Breechings, Chimneys, and Stacks Insulated Sectional Chimneys

Central Heating Equipment Breechings, Chimneys, and Stacks Flue‐Gas Filtration Equipment

Central Heating Equipment Breechings, Chimneys, and Stacks Gaseous Filtration

Central Heating Equipment Breechings, Chimneys, and Stacks Particulate Filtration

Central Heating Equipment Heating Boilers Electric Boilers

Central Heating Equipment Heating Boilers Condensing Boilers

Central Heating Equipment Heating Boilers Stainless‐Steel Condensing  Boilers

Central Heating Equipment Heating Boilers Aluminum Condensing Boilers

Central Heating Equipment Heating Boilers Low Mass Boilers

Central Heating Equipment Heating Boilers Pulse Combustion  Boilers

Central Heating

 Equipment Heating

 Boilers Cast

‐Iron

 Boilers

Central Heating Equipment Heating Boilers Water‐Tube Boilers

Central Heating Equipment Heating Boilers Finned Water‐Tube Boilers

Central Heating Equipment Heating Boilers Steel Water‐Tube Boilers

Central Heating Equipment Heating Boilers Copper Water‐Tube Boilers

Central Heating Equipment Heating Boilers Fire‐Tube Boilers

Central Heating Equipment Heating Boilers Scotch Marine Boilers

Central Heating Equipment Heating Boilers Steel Fire‐Tube Boilers

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

Central Heating Equipment Heating Boilers Boiler Blowdown Systems

Central Heating Equipment Heating Boiler Feedwater Equipment Boiler Feedwater Pumps

Central Heating Equipment Heating Boiler Feedwater Equipment Deaerators

Central Heating Equipment Furnaces Electric‐Resistance  Furnaces

Central Heating Equipment Furnaces Fuel‐Fired Furnaces

Central Heating Equipment Furnaces Gas‐Fired Furnaces

Central Heating Equipment Furnaces Oil‐Fired Furnaces

Central Heating Equipment Fuel‐Fired Heaters Fuel‐Fired Duct Heaters

Central Heating Equipment Fuel‐Fired Heaters Oil‐Fired Duct Heaters

Central Heating Equipment Fuel‐Fired Heaters Gas‐Fired Duct Heaters

Central Heating Equipment Fuel‐Fired Heaters Gas‐Fired Radiant Heaters

Central Heating Equipment Fuel‐Fired Heaters Low‐Intensity Gas‐Fired Radiant Heaters

Central Heating Equipment Fuel‐Fired Heaters High‐Intensity Gas‐Fired Radiant Heaters

Central Heating Equipment Fuel‐Fired Heaters Fuel‐Fired Unit Heaters

Central Heating Equipment Fuel‐Fired Heaters Oil‐Fired Unit Heaters

Central Heating Equipment Fuel‐Fired Heaters Gas‐Fired Unit Heaters

Central Heating Equipment Solar Energy Heating Equipment Heating Solar Collectors

Central Heating Equipment Solar Energy Heating Equipment Heating Solar Flat‐Plate Collectors

Central Heating Equipment Solar Energy Heating Equipment Heating Solar Concentrating  Collectors

Central Heating

 Equipment Solar

 Energy

 Heating

 Equipment Heating

 Solar

 Vacuum

‐Tube

 Collectors

Central Heating Equipment Solar Energy Heating Equipment Packaged Solar Heating Equipment

Central Heating Equipment Solar Energy Heating Equipment Solar Air‐Heating Panels

Central Heating Equipment Heat Exchangers  for HVAC Steam‐to‐Steam Heat Exchangers

Central Heating Equipment Heat Exchangers  for HVAC Steam‐to‐Water Heat Exchangers

Central Heating Equipment Heat Exchangers for HVAC Liquid‐to‐Liquid Heat Exchangers

Central Heating Equipment Heat Exchangers for HVAC Plate‐Type, Liquid‐to‐Liquid Heat Exchangers

Central Heating Equipment Heat Exchangers  for HVAC Shell‐Type, Liquid‐to‐Liquid Heat Exchangers

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Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

Central Heating Equipment Heat Exchangers  for HVAC Direct Geoexchange  Heat Exchangers

Central Cooling Equipment Refrigerant Compressors Centrifugal Refrigerant Compressors

Central Cooling Equipment Refrigerant Compressors Non‐Condensable  Gas Purge Equipment

Central Cooling Equipment Refrigerant Compressors Reciprocating Refrigerant Compressors

Central Cooling Equipment Refrigerant Compressors Scroll Refrigerant Compressors

Central Cooling Equipment Refrigerant Compressors Rotary‐Screw Refrigerant Compressors

Central Cooling Equipment Packaged Compressor  and Condenser Units  Packaged Air‐Cooled Refrigerant Compressor  and 

Condenser Units

Central Cooling Equipment Packaged Compressor  and Condenser Units  Packaged Water‐Cooled Refrigerant Compressor  and 

Condenser Units

Central Cooling Equipment Refrigerant Condensers Air‐Cooled Refrigerant Condensers

Central Cooling Equipment Refrigerant Condensers Water‐Cooled Refrigerant Condensers

Central Cooling Equipment Refrigerant Condensers Evaporative Refrigerant Condensers

Central Cooling Equipment Packaged Water Chillers Absorption Water Chillers

Central Cooling Equipment Packaged Water Chillers Direct‐Fired Absorption  Water Chillers

Central Cooling Equipment Packaged Water Chillers Indirect‐Fired Absorption  Water Chillers

Central Cooling Equipment Packaged Water Chillers Centrifugal Water Chillers

Central Cooling Equipment Packaged Water Chillers Air‐Cooled Centrifugal Water Chillers

Central Cooling Equipment Packaged Water Chillers Water‐Cooled Centrifugal Water Chillers

Central Cooling Equipment Packaged Water Chillers Reciprocating Water Chillers

Central Cooling Equipment Packaged Water Chillers Scroll Water Chillers

Central Cooling

 Equipment Packaged

 Water

 Chillers Rotary

‐Screw

 Water

 Chillers

Central Cooling Equipment Cooling Towers Forced‐Draft Cooling Towers

Central Cooling Equipment Cooling Towers Open‐Circuit, Forced‐Draft Cooling Towers

Central Cooling Equipment Cooling Towers Closed‐Circuit, Forced‐Draft Cooling Towers

Central Cooling Equipment Cooling Towers Natural‐Draft Cooling Towers

Central Cooling Equipment Cooling Towers Field‐Erected Cooling Towers

Central Cooling Equipment Cooling Towers Liquid Coolers

Central HVAC Equipment Thermal Storage Thermal Heat Storage

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HVAC CSI CODES BY FAIZAL

Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

Central HVAC Equipment Thermal Storage Room Storage Heaters for Thermal Storage

Central HVAC Equipment Thermal Storage Heat‐Pump Boosters for Thermal Storage

Central HVAC Equipment Thermal Storage Central Furnace Heat‐Storage Units

Central HVAC Equipment Thermal Storage Pressurized‐Water Thermal Storage Tanks

Central HVAC Equipment Thermal Storage Chilled‐Water Thermal Storage

Central HVAC Equipment Thermal Storage Ice Storage

Central HVAC Equipment Thermal Storage Internal Ice‐on‐Coil Thermal Storage

Central HVAC Equipment Thermal Storage External Ice‐on‐Coil Thermal Storage

Central HVAC Equipment Thermal Storage Encapsulated‐Ice Thermal Storage

Central HVAC Equipment Thermal Storage Ice‐Harvesting Thermal Storage

Central HVAC Equipment Thermal Storage Ice‐Slurry Thermal Storage

Central HVAC Equipment Air‐to‐Air Energy Recovery  Equipment Heat‐Wheel Air‐to‐Air Energy‐Recovery  Equipment

Central HVAC Equipment Air‐to‐Air Energy Recovery  Equipment Heat‐Pipe Air‐to‐Air Energy‐Recovery Equipment

Central HVAC Equipment Air‐to‐Air Energy Recovery  Equipment Fixed‐Plate Air‐to‐Air Energy‐Recovery Equipment

Central HVAC Equipment Air‐to‐Air Energy Recovery  Equipment Packaged Air‐to‐Air Energy‐Recovery Units

Central HVAC Equipment Indoor Central‐Station Air‐Handling Units Modular Indoor Central‐Station Air‐Handling Units

Central HVAC Equipment Indoor Central‐Station Air‐Handling Units Custom Indoor Central‐Station Air‐Handling Units

Central HVAC Equipment Indoor Central‐Station Air‐Handling Units  Indoor Indirect Fuel‐Fired Heating and Ventilating 

Units

Central HVAC Equipment Indoor Central‐Station Air‐Handling Units Indoor Indirect Oil‐Fired Heating and Ventilating Units

Central HVAC

 Equipment Indoor

 Central

‐Station

 Air

‐Handling

 Units Indoor

 Indirect

 Gas

‐Fired

 Heating

 and

 Ventilating

 Units

Central HVAC Equipment Indoor Central‐Station Air‐Handling Units Indoor, Direct Gas‐Fired Heating and Ventilating Units

Central HVAC Equipment Packaged Outdoor HVAC Equipment Packaged, Outdoor, Central‐Station Air‐Handling Units

Central HVAC Equipment Packaged Outdoor HVAC Equipment Packaged, Outdoor, Heating‐Only Makeup‐Air Units

Central HVAC Equipment Packaged Outdoor HVAC Equipment  Packaged, Direct‐Fired, Outdoor, Heating‐Only 

Makeup‐Air Units

Central HVAC Equipment Packaged Outdoor HVAC Equipment  Packaged, Indirect‐Fired, Outdoor, Heating‐Only 

Makeup‐Air Units

Central HVAC Equipment Packaged Outdoor HVAC Equipment Dedicated Outdoor‐Air Units

Central HVAC Equipment  Custom‐Packaged, Outdoor, Central‐Station Air‐

Handling Units

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8/19/2019 Division 23 HVAC CSI Task Lists

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HVAC CSI CODES BY FAIZAL

Sl. No. Main Task  Sub‐main Task Sub‐Task Remarks

DIVISION 23  – HEATING, VENTILATING, AND AIR‐CONDITIONING (HVAC)

Central HVAC Equipment  Custom‐Packaged, Outdoor, Heating and Ventilating 

Makeup‐Air Units

Central HVAC Equipment  Custom‐Packaged, Outdoor, Heating and Cooling 

Makeup Air‐Conditioners

Central HVAC Equipment Evaporative Air‐Cooling Equipment Direct Evaporative Air Coolers

Central HVAC Equipment Evaporative Air‐Cooling Equipment Indirect Evaporative Air Coolers

Central HVAC Equipment Evaporative Air‐Cooling Equipment Combined Direct and Indirect  Evaporative Air Coolers

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Packaged Terminal Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Room Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Self  ‐Contained Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Small‐Capacity Self ‐Contained Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Large‐Capacity Self ‐Contained Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Computer‐Room Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Split‐System Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Small‐Capacity  Split‐System Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Large‐Capacity Split‐System Air‐Conditioners

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Variable Refrigerant Flow HVAC Systems

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Air‐Source Unitary Heat Pumps

Decentralized HVAC Equipment Decentralized Unitary HVAC Equipment Water‐Source Unitary Heat Pumps

Decentralized HVAC Equipment Convection Heating and Cooling Units Valance Heating and Cooling Units

Decentralized HVAC Equipment Convection Heating and Cooling Units Chilled Beams

Decentralized HVAC

 Equipment Convection

 Heating

 and

 Cooling

 Units Air

 Coils

Decentralized HVAC Equipment Convection Heating and Cooling Units Fan Coil Units

Decentralized HVAC Equipment Convection Heating and Cooling Units Unit Ventilators

Decentralized HVAC Equipment Convection Heating and Cooling Units Induction Units

Decentralized HVAC Equipment Convection Heating and Cooling Units Radiators

Decentralized HVAC Equipment Convection Heating and Cooling Units Convectors

Decentralized HVAC Equipment Convection Heating and Cooling Units Finned‐Tube Radiation Heaters

Decentralized HVAC Equipment Convection Heating and Cooling Units Unit Heaters

Custom‐Packaged Outdoor HVAC Equipment

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