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

NAICS Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It contains 3 direct sub-codes.

Code	33341
Title	Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
Level	NAICS Industry (5-digit)
Edition	NAICS 2022 edition

Official definition (2022 NAICS)

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

Illustrative Examples:

Air-conditioner filters manufacturing

Air-conditioning and warm air heating combination units manufacturing

Attic fans manufacturing

Dust and fume collecting equipment manufacturing

Gas fireplaces manufacturing

Heating boilers manufacturing

Industrial and commercial-type fans manufacturing

Refrigerated counter and display cases manufacturing

Refrigerated drinking fountains manufacturing

Space heaters (except portable electric) manufacturing

Where 33341 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

Codes under 33341

Code	Title
333413	Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333414	Heating Equipment (except Warm Air Furnaces) Manufacturing
333415	Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

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.