NAICS Code 33341 Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing




This industry comprises establishments primarily engaged in manufacturing ventilating, heating, air-conditioning, and commercial and industrial refrigeration and freezer equipment.

Cross References

Establishments primarily engaged in
  • Manufacturing household-type fans (except attic), portable electric space heaters, humidifiers, dehumidifiers, and air purification equipment: classified in Industry 33521, Small Electrical ApplianceManufacturing
  • Manufacturing household-type appliances, such as cooking stoves, ranges, refrigerators, and freezers: classified in Industry 33522, Major Appliance Manufacturing
  • Manufacturing commercial-type cooking equipment: classified in Industry 33331, Commercial and Service Industry Machinery Manufacturing
  • Manufacturing industrial, power, and marine boilers: classified in Industry 33241, Power Boiler and Heat Exchanger Manufacturing
  • Manufacturing industrial process furnaces and ovens: classified in Industry 33399, All Other General Purpose Machinery Manufacturing
  • Manufacturing motor vehicle air-conditioning systems and compressors: classified in Industry 33639, Other Motor Vehicle Parts Manufacturing.

Illustrative Examples

  • Refrigerated counter and display cases manufacturing
  • Heating boilers manufacturing
  • Space heaters (except portable electric) manufacturing
  • Dust and fume collecting equipment manufacturing
  • Air-conditioning and warm air heating combination units manufacturing
  • Refrigerated drinking fountains manufacturing
  • Industrial and commercial-type fans manufacturing
  • Air-conditioner filters manufacturing
  • Gas fireplaces manufacturing
  • Attic fans manufacturing

Industry Leaders