031-00 Air Conditioning, Heating, and Ventilating:
Equipment
- 03 Air Conditioners: Commercial, and Parts Not Ind. Itemized
- 04 Air Conditioners: Controlled Environment Parts & Acces
- 05 Air Conditioners: Window and Wall Mounted
- 06 Air Conditioning and Heating: Central Units
- 08 Air Doors and Curtains
- 09 Air Flow Meters
- 11 Blowers: Industrial Types
- 13 Chillers, Heat Exchangers and Receivers
- 15 Chilled Water Meter System
- 17 Coils: Chilled or Heated Water, and Direct Expansion
- 18 Coil and Fan Units, Air Conditioning
- 20 Compressors, Air Conditioning:
Window Unit Type
- 21 Compressors, Air Conditioning: Industrial Type, & Parts
- 23 Condensing Units (For Air Conditioners)
- 25 Controls: Limit Switches, Relays, Thermostats, Etc
- 26 Control Systems: Complete (For Automatic Temperature)
- 28 Cooling Towers: Forced Air, Gravity, Etc.
- 30 Dehumidifiers and
Humidifiers
- 32 Duct, Prefabricated (Flexible or Rigid): Glass Fiber, Etc
- 33 Duct,
Fabricated, Metal
- 34 Dust Collectors, Industrial Type
- 36 Electronic Air Cleaners, Parts and Accessories
- 38 Evaporative Coolers
- 40 Fans, Industrial Types: Attic, Exhaust, Forced Draft
- 41 Fans, Room Type, Ceiling
- 43 Filter Coating, Adhesive, Coil Cleaners, Etc
- 44 Filters, Air Conditioning (Permanent Type)
- 45 Filters and Filter Media, Air Conditioning (Disposable)
- 46 Filters and Filter Media, Evaporative Cooler
- 49 Filter Frames, Metal
- 51 Furnaces, Central Heating Type (Forced Air, Gas Fired)
- 53 Grilles, Diffusers, Registers, Etc
- 55 Hand Tools, Air Conditioning and Heating Service Type
- 57 Heaters, Electric (Baseboard Type) and Parts
- 58 Heaters, Electric (Panel Type) and Parts
- 59 Heaters, Electric (Portable) and Parts
- -60 Heaters, Gas-fired (Space Type, Vented and Unvented)
- 61 Heaters, Gas-fired (Wall Type, Vented and Unvented)
- 62 Heaters, Kerosene or Oil Fired (Space Type)
- 64 Hydronic Specialities
- 72 Pumps, Descaling Acid
- 73 Pumps, Refrigerant Circulating
- 74 Pumps, Refrigerant Vacuum
- 78 Roof Ventilators, Power Driven
- 79 Roof Ventilators, Wind Driven
- 82 Stoves, Wood or Coal
- 87 Testing and Recording Instruments
- 89 Thermometers and Gauges
- 91 Unit Heaters, Electric (Duct and Suspended Types)
- 92 Unit Heaters, Gas-fired (Duct and Suspended Types)
- 93 Unit Heaters, Gas-fired (Radiant & Infrared, Port & Stat)
- 94 Unit Heaters, Steam and Hot Water Types
- 96 Vent Pipes, Fittings, and Accessories
- 99 Commodities Not Otherwise Classified
|