NAICS Code 333414 — Heating Equipment (except Warm Air Furnaces) Manufacturing
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 3 national industries under 33341 (Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing).
| Code | 333414 |
|---|---|
| Title | Heating Equipment (except Warm Air Furnaces) Manufacturing |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 500 employees |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in manufacturing heating equipment (except electric and warm air furnaces), such as heating boilers, heating stoves, floor and wall furnaces, and wall and baseboard heating units.
Is a business under 333414 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 333414 qualifies as a small business if it does not exceed 500 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 333414 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 31-33 | Manufacturing |
| Subsector | 333 | Machinery Manufacturing |
| Industry Group | 3334 | Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing |
| NAICS Industry | 33341 | Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing |
| National Industry | 333414 | Heating Equipment (except Warm Air Furnaces) Manufacturing |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
3433 | Heating Equipment, Except Electric and Warm Air Furnaces |
3569 | General Industrial Machinery and Equipment, Not Elsewhere Classified |
3634 | Electric Housewares and Fans |
Related National Industry codes
333413— Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing333415— Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.