This class includes the installation of plumbing, heating and air-conditioning systems, including additions, alterations, maintenance and repair.
This class includes:
- installation in buildings or other construction projects of:
• heating systems (electric, gas and oil)
• furnaces, cooling towers
• non-electric solar energy collectors
• plumbing and sanitary equipment
• ventilation and air-conditioning equipment and ducts
• gas fittings
• steam piping
• fire sprinkler systems
• lawn sprinkler systems
- duct work installation
This class excludes:
- installation of electric baseboard heating, see
43.21 
Industry Rating Germany
Industry Rating Austria
