NAICS 2022 industry USA Verified: Census NAICS 2022 · 2026-01-01
33341
NAICS 33341 — Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
NAICS 33341 is the NAICS industry code for ventilation, heating, air-conditioning, and commercial refrigeration equipment manufacturing establishments in the United States. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
Child industry codes in 33341 (3)
333413
Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
SBA: 500 333414
Heating Equipment (except Warm Air Furnaces) Manufacturing
SBA: 500 333415
Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
SBA: 1,250 Exclusions & Cross-References
Activities classified under other official NAICS codes:
- manufacturing commercial cooking and food warming equipment (See 333310 Commercial and service industry machinery manufacturing (CAN))
- manufacturing household cooking stoves, ranges, refrigerators and freezers (See 335223 Major kitchen appliance manufacturing (CAN))
- manufacturing household fans (except attic), and portable electric space heaters, humidifiers and dehumidifiers (See 335210 Small electrical appliance manufacturing (MEX))
- manufacturing industrial process furnaces and ovens (See 333990 All other general-purpose machinery manufacturing (CAN))
- manufacturing industrial, power and marine boilers (See 332410 Power boiler and heat exchanger manufacturing)
- manufacturing motor vehicle air-conditioning systems and compressors (See 336390 Other motor vehicle parts manufacturing)
Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.