Industry: 3564—Industrial and Commercial Fans and Blowers and Air Purification Equipment
Establishments primarily engaged in manufacturing industrial and commercial blowers, industrial and commercial exhaust and ventilating fans, and attic fans, or in manufacturing dust collection and other air purification equipment for heating, ventilating and air-conditioning systems or for industrial gas cleaning systems. Establishments primarily engaged in manufacturing air-conditioning units are classified in Industry 3585; those manufacturing free air-circulating fans for use on desks, pedestals, or wall brackets as well as household window-type fans and roll-abouts, and kitchen and household ventilating and exhaust electric fans, except attic, are classified in Industry 3634.

Air cleaning systemsFans, except household
Air purification and dust collection equipmentFilters, air: for furnaces and air-conditioning equipment
Aircurtains (blower)Furnace blowers (blower filter units)
Attic fansPrecipitation, electrostatic
Blowers, commercial and industrialTurbo-blowers, industrial
Dust and fume collecting equipment, industrialVentilating, blowing, and exhaust fans: except household and kitchen
Exhaust fans, except household and kitchen
Codes Titles Number of US Businesses
3564Blowers and Fans1,038
356400Blowers and fans230
35640000Blowers and fans230
356401Purification and dust collection equipment625
35640100Purification and dust collection equipment59
35640101Air cleaning systems117
35640102Air purification equipment188
35640103Blower filter units (furnace blowers)5
35640104Dust or fume collecting equipment, industrial39
35640105Filters, air: furnaces, air conditioning equipment, etc.213
35640106Precipitators, electrostatic4
356402Blowers and fans183
35640200Blowers and fans54
35640201Aircurtains (blower)5
35640202Blowing fans: industrial or commercial39
35640203Exhaust fans: industrial or commercial21
35640204Turbo-blowers, industrial11
35640205Ventilating fans: industrial or commercial53