Plumbing, heat and air-conditioning installation

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

This class includes:

• installation, maintenance and repair of:
  • heating systems (e.g. heat pumps, solar thermal collectors)
  • furnaces, cooling towers
  • plumbing and sanitary equipment
  • ventilation and air-conditioning equipment and ducts
  • gas fittings
  • steam piping
  • sprinkler systems (e.g. fire and lawn sprinkler systems)
• construction or installation of masonry heater stoves
• ductwork installation

This class also includes:

• installation of medical gas distribution systems in hospitals

This class excludes:

• installation of electric baseboard heating, see 43.21
• camera inspections in air ducts, water and gas pipes, and other liquids without repair or installation, see 71.20