37
Installation, repair and maintenance of boiler tubes; Boiler cleaning and repair; Installation of boilers; Providing information relating to the repair or maintenance of boilers; Renovation of industrial boilers; Servicing of industrial boilers; Repair or maintenance of boilers; Construction of nuclear boilers; Installation of apparatus for heating; Maintenance and repair of heating; Routine servicing of heating apparatus; Installation of solar heating systems; Construction of geothermal community heating installations; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Retrofitting of heating, ventilating and air conditioning installations in buildings; Advisory services relating to the installation of heating and cooling apparatus; Installation of geothermal installations; Construction of geothermal energy installations; Maintenance and repair of geothermal installations; Construction of utility solar installations; Installation of solar powered systems; Maintenance and repair of solar power installations; Installation, maintenance and repair of air-conditioning apparatus; Installation of non-residential solar panel power systems; Installation of residential solar panel power systems; Installation of wind power systems; Installation of energy-saving apparatus; Installation of electric light and power systems; Construction of structures for the storage of natural gas; Plumbing and gas and water installation; Repair of gas supply systems; Thermal insulating of buildings
40
Energy production; Production of hydroelectric power; Production of electrical power from renewable sources; Leasing of energy generating equipment; Consultancy services relating to the generation of electrical power; Generation of electricity from wind energy; Generation of electricity from wave energy; Generation of electricity from geothermal energy; Generation of electricity from solar energy; Rental of electricity generators; Rental of equipment for the treatment and transformation of materials, for energy production and for custom manufacturing; Air and water conditioning and purification; Providing information relating to the rental of air conditioning apparatus; Air purification; Air regeneration; Air treatment; Air deodorizing; Rental of water and air purification equipment; Recycling of insulating gases from air conditioning plant; Recycling of insulating gases from freezers; Recycling of insulating gases from refrigerators; Treatment of natural gas; Natural gas liquefaction services; Water treating; Leasing of water purification equipment; Rental of water treatment equipment; Water pollution control; Water purification; Desalination of water; Demineralisation of water; Regeneration of water; Custom manufacture and assembly services; Recycling of waste and trash
42
Energy auditing; Consultancy in the field of energy-saving; Consultancy in the field of energy-saving; Research in the field of energy; Technological consultancy in the fields of energy production and use; Providing technical advice relating to energy-saving measures; Advisory services relating to energy efficiency; Certification services for the energy efficiency of buildings; Engineering services relating to energy supply systems; Design and development of energy management software; Rental of meters for reading energy consumption; Provision of information concerning research and technical project studies relating to the use of natural energy; Technological consulting services in the field of alternative energy generation; Engineering services in the field of electrical power and natural gas production; Technological analysis relating to energy and power needs of others; Engineering services in the field of energy technology; Design and development of regenerative energy generation systems; Design and development of software for control, regulation and monitoring of solar energy systems; Technical design and planning of heating installations; Design of heating; Conducting research and technical project studies relating to the use of natural energy