CNAE Brazil 4322-3/02—Installation and maintenance of central air conditioning, ventilation and refrigeration systems

Where 4322-3/02 sits

1. F Construction
2. 43 Specialized services for construction
3. 43.2 Electrical, plumbing, and other installations in buildings
4. 43.22-3 Plumbing, ventilation and refrigeration systems
5. 4322-3/02 Installation and maintenance of central air conditioning, ventilation and refrigeration systems

What 4322-3/02 includes

• The installation, alteration, maintenance and repair in all types of buildings of: • central refrigeration systems, when not carried out by the manufacturing unit • controlled mechanical ventilation systems, including exhaust fans
• The installation of central heating and heating systems in residential and commercial buildings, except electric ones

What 4322-3/02 excludes

• The installation and maintenance of central refrigeration systems, except industrial, when performed by the manufacturing unit (2824-1/02)
• The installation, alteration, maintenance and repair of individual water heating systems (solar collector, gas and oil), except electric (4322-3/01)

4322-3/02 in other systems