Commercial trading and consumer information services; Advertising, marketing and promotional services; Distribution of advertising, marketing and promotional material; Product demonstrations and product display services; Loyalty, incentive and bonus program services; Electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes; Marketing; Marketing by telephone; Procurement services for others [purchasing goods and services for other businesses].

Science and technology services; Engineering services; Consultancy in the field of energy-saving; Calibration services relating to electronic apparatus; Calibration [measuring]; Research laboratories; Consultancy services relating to technological research; Control technology consulting services; Expert opinion relating to technology; Professional consultancy relating to the conservation of energy; Computer aided scientific research services; Computer aided industrial research services; Advisory services relating to science; Professional consultancy relating to technology; Professional consultancy relating to technology exploitation; Design and development of energy distribution networks; Preparation of technical studies; Preparation of reports relating to scientific research; Providing technological information about environmentally-conscious and green innovations; Provision of information relating to technological research; Consultancy relating to technological services in the field of power and energy supply; Advisory services relating to the use of energy; Advisory services relating to energy efficiency; Advisory services relating to technological research; Advisory services relating to scientific research; Leasing of scientific instruments; Conducting of technical feasibility studies; Conducting industrial experiments; Rental of measuring apparatus; Programming of electronic control systems; Technological planning services; Industrial research; Measurement services; Industrial analysis services; Air flow measurement services; Services for monitoring industrial processes; Technical design and planning of heating installations; Technical consultation and research; Technological analysis services; Technological services relating to manufacture; Technological consultancy in the fields of energy production and use; Technological consulting services in the field of alternative energy generation; Technological analysis relating to energy and power needs of others; Technical advice in connection with energy-saving measures; Scientific and industrial research in particular in the field of electricity; Scientific and industrial research; Development of new technology for others; Developing of integrated energy concepts; Development of power assemblies; Research in the field of energy; Electrical safety research; Development of energy and power management systems; Recording data relating to energy consumption in buildings; Research relating to technology.

Solar thermal apparatus, in particular solar collectors; solar furnaces; solar energy collectors; solar thermal collectors [heating]; apparatus for heating and ventilating, and controllers therefor; solar water heaters; air reheaters; ventilation apparatus and installations; mechanical heat recovery ventilation systems; heating apparatus and installations; heating elements; heating plates; heat pumps; ground source heat pumps; air source heat pumps; heat pumps for energy processing; residential heating installations; underfloor heating apparatus and installations; heat accumulators; heat exchangers, not parts of machines; heat collectors; heating boilers; burners for boilers; furnace boilers; water boilers; boilers for heating installations; burners, boilers and heaters; pipes for heating boilers; boilers for central heating installations; feeding apparatus for heating boilers; boilers for hot water supply installations; boilers being parts of central heating installations; water heating installations.

Installation of solar panels; installation of residential solar panel power systems; installation, maintenance and repair of solar installations for generating power; installation, maintenance, servicing and repair services of solar power installations; installation of photovoltaic cells and modules, apparatus and installations; installation, maintenance and repair of solar collectors and photovoltaic modules; maintenance, servicing and repair services of solar heating installations; installation, maintenance, servicing and repair services of solar thermal installations; installation, maintenance and repair of inverters, batteries and electrical connection apparatus; installation, maintenance, servicing and repair of solar photovoltaic (PV) systems and battery storage systems; installation, repair and maintenance of heating apparatus and installations; installation, repair and maintenance of underfloor heating installations and apparatus; installation, servicing, maintenance and repair of heat pumps and heat pump apparatus and installations; installation, maintenance, servicing and repair services of air source heat pump systems; installation, maintenance, servicing and repair services of ground source heat pump systems; installation, maintenance, servicing and repair services for HVAC systems (heating, ventilation and air conditioning); installation, maintenance, servicing and repair services for MHRV systems (mechanical heat recovery ventilation); retrofitting of heating and ventilation installations in residential buildings; installation, repair and maintenance of apparatus and devices for controlling energy consumption, apparatus for lighting, heating, steam production, cooking, freezing, drying and ventilating purposes, regulating and security fittings, feeding apparatus for heating boilers, gas purifying apparatus, boilers and gas igniters; providing of information relating to the aforesaid activities; installation, repair and maintenance of apparatus and machines for the automated control of lighting, temperature, security and telecommunications in buildings; construction, installation, repair, replacement, overhaul, and maintenance of engines, turbines, wind turbines, motors and apparatus, equipment and instruments for the generation of power and electricity from wind; installation, maintenance, servicing and repair services for wind power systems; installation, maintenance, servicing and repair services for electric generators and wind turbines; installation, maintenance, servicing and repair services of wind turbine generators; installation, maintenance, servicing and repair services of turbines for power generation; installation, maintenance, servicing and repair services for burners; installation, maintenance, servicing and repair services for heating and hot water boilers; installation, maintenance, servicing and repair services for heating furnaces; information, advisory and consultancy services relating to all of the aforesaid. .

Supply of electricity; supply of electricity from solar, geothermal, wave, wind, and other green energy; consultancy, information, and advisory services relating to the aforesaid.

Energy production; generation of electricity; generation of electricity from solar, geothermal, wave, wind, and other green energy; production of hydro-electric power; production of electrical power from renewable sources; consultancy, information, and advisory services relating to the aforesaid.