Variant of NAICS 1997 - Goods and services

3334 - Ventilation, Heating, Air-Conditioning and Commercial Refrigeration Equipment Manufacturing

This industry group comprises establishments primarily engaged in manufacturing ventilation, heating, air-conditioning and commercial refrigeration equipment.

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

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

• Exclusion(s):

  Establishments primarily engaged in:

  • manufacturing industrial, power and marine boilers (See 33241 Power Boiler and Heat Exchanger Manufacturing)
  • manufacturing commercial cooking and food warming equipment (See 33331 Commercial and Service Industry Machinery Manufacturing)
  • manufacturing industrial process furnaces and ovens (See 33399 All Other General-Purpose Machinery Manufacturing)
  • manufacturing household fans (except attic), and portable electric space heaters, humidifiers and dehumidifiers (See 33521 Small Electrical Appliance Manufacturing)
  • manufacturing household cooking stoves, ranges, refrigerators and freezers (See 33522 Major Appliance Manufacturing)
  • manufacturing motor vehicle air-conditioning systems and compressors (See 33639 Other Motor Vehicle Parts Manufacturing)