NACE-BEL 2025 Codes
43
Specialised construction activities
43.2
Electrical, plumbing and other construction installation activities
43.22
Plumbing, heat and air-conditioning installation
43.223
43.223
Level 5
Installation of heating, ventilating, air conditioning, refrigeration installations powered by energy sources other than electricity
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Parent code
43.22
Plumbing, heat and air-conditioning installation
Child codes
43.22301
Construction of fireplaces, furnaces, ornamental fireplaces, etc. powered by energy sources other than electricity