Variant of NAICS 2017 Version 3.0 - Industrial production (based on the 2008 International Recommendations for Industrial Statistics)

• 1 - Industrial production
• 31-33 - Manufacturing
• 333 - Machinery manufacturing

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.