4
Electrical energy; Electrical energy from solar power; Electrical energy from wind power; Electrical energy from renewable sources; Electrical energy from non-renewable sources
11
Burners, boilers and heaters; Heating apparatus for solid, liquid or gaseous fuels; electrically operated appliances for heating; Radiant heating apparatus; Heating, ventilating, and air conditioning and purification equipment (ambient); Installations for the cooling of air; Apparatus for lighting, cooking, refrigerating, drying, ventilating and water supply purposes; Personal heating and drying implements; Installations for heating swimming pools; Steam generating and steam piping apparatus; Radiators, heating radiators; Heat exchangers, other than parts of machines; Heat regenerators; Heat pumps; Hot water boilers, Hot water apparatus; Solar water heaters; Hot water heating installations; Sanitary installations, water supply and sanitation equipment; Parts and accessories for all the aforesaid goods, included in this class
37
Installation, maintenance and repair, including being services, of mobile energy generating installations; Installation, maintenance and repair, including being services, of burners, boilers and heating apparatus, heating apparatus for solid, liquid or gaseous fuels, electrically operated heating apparatus, radiant heating apparatus; Installation, maintenance and repair, including being services, of heating, ventilating, air conditioning and air purifying apparatus and installations, air cooling installations; Installation, maintenance and repair, including being services, of apparatus for lighting, cooking, refrigerating, drying, ventilating and water supply purposes; Installation, maintenance and repair, including being services, of personal heating and drying apparatus; Installation, maintenance and repair, including being services, of installations for heating swimming pools; Installation, maintenance and repair, including being services, of steam generating and steam piping apparatus; Installation, maintenance and repair, including being services, of radiators, heating radiators; Installation, maintenance and repair, including being services, of heat exchangers, heat regenerators, heat pumps; Installation, maintenance and repair, including being services, of water heaters, water heating apparatus, solar-powered water heaters, water heating installations; Installation, maintenance and repair, including being services, of sanitary installations and equipment, water supply installations; Rental of drying apparatus and drying installations; All the aforesaid apparatus, other than movable apparatus
39
Rental of water supply apparatus and steam conducting apparatus; Distribution and transmission of electricity; Supply of electricity; Distribution of energy; Distribution of electricity to households; Distribution of energy for heating and cooling buildings; Distribution of heat; Heat supplying [distribution]; Distribution of cooling; Rental of water supply apparatus and water supply installations; Rental of water conducting installations; All the aforesaid apparatus, other than movable apparatus
40
Generation of power; Electricity generating; Rental of mobile energy generating apparatus; Rental of mobile burners, boilers and heating apparatus, heating apparatus for solid, liquid or gaseous fuels, electrically operated heating apparatus, radiant heating apparatus; Rental of heating, ventilating, air conditioning and air purifying apparatus and installations, air cooling installations; Rental of refrigerating apparatus and refrigerating installations; Rental of ventilating apparatus and ventilating installations; Rental of personal heating and drying apparatus; Rental of installations for heating swimming pools; Rental of steam generating apparatus and steam piping apparatus; Rental of radiators, heating radiators; Rental of heat exchangers, heat regenerators, heat pumps; Rental of water heaters, water heating apparatus, solar-powered water heaters, water heating installations; Rental of electricity generators; All the aforesaid apparatus, other than movable apparatus
43
Rental of lighting apparatus and lighting installations; Rental of cooking installations and cooking apparatus
44
Rental of sanitary installations and equipment