4322 Plumbing, heat and air conditioning installation


This class includes the installation of plumbing, heating and air-conditioning systems, including additions, alterations, maintenance and repair.

Corresponding CPA codes

  • 43.22.1 Water plumbing, drain laying, heating, ventilation and air conditioning installation works
  • 43.22.11 Water plumbing and drain laying works

    This subcategory includes:

    • installation works involving primary hot- and cold-water piping systems (i.e., plumbing), including sprinkler installation
    • installation works of fixed sanitary ware
    • associated plumbing works
    • installation works of pressurised water supplies for fire fighting (including fire plugs with hose and spout)
    • drain laying works

    This subcategory excludes:

    • installation works of space heating apparatus, including associated pipe work, see 43.22.12
  • 43.22.12 Heating, ventilation and air conditioning installation works

    This subcategory includes:

    • installation works of heating equipment (electric, gas, oil, non-electric solar energy collectors). Pipe works, duct works and related sheet metal works performed as an integral part of such works is included.
    • installation and maintenance of central heating control systems
    • connection to the district heating system
    • repair and maintenance works of domestic boilers and burners
    • construction works involving ventilation, refrigeration or air conditioning equipment for dwellings, computer centres, offices and shops. Pipe works, duct works and related sheet metal works performed as an integral part of such works is included.

    This subcategory excludes:

    • repair and maintenance services of industrial boilers, see 33.12.14
    • installation, repair and maintenance works of industrial air conditioning and refrigeration equipment, see 33.12.18, 33.20.29
    • electrical installation works for electric solar energy collectors and baseboard heaters, see 43.21.10
    • chimney cleaning, see 81.22.13
  • 43.22.2 Gas fitting installation works
  • 43.22.20 Gas fitting installation works

    This subcategory includes:

    • installation works for the supply of various gases (oxygen in hospitals, for example) and connection of other gas-operated equipment

    This subcategory excludes:

    • space heating installation works, see 43.22.12
    • ventilating and air conditioning works, see 43.22.12

Codification rules

If electrical, plumbing and other construction installation (432…) and architects (711101) activities are undertaken,
electrical, plumbing and other construction installation 432… take priority.