35
Recording, processing and management of energy data, consumption data and ancillary costs, and providing of statements, analyses and invoices therefor; Business management, administrative and office functions
37
Installation, maintenance and repair of machines for household, sanitary, heating and energy technology; Installation, maintenance and repair of equipment and apparatus for household, sanitary, heating and energy technology, namely equipment and apparatus for the measuring, regulating and checking (supervision) of energy, heat, cold, water, gas, oil, electricity and ancillary costs, and for the recording, display and transmission of data relating thereto; Installation, maintenance and repair of smoke detectors and fire alarms; Installation, maintenance and repair of equipment and apparatus for household, sanitary, heating and energy technology, namely equipment and apparatus for generating energy, heat, cold, water, gas, oil and electricity; Installation, maintenance and repair of water filters
42
Design and development of computer hardware and software for the household, sanitary, heating and energy sectors; Energy advice; Installation, maintenance and updating of computer software for equipment and apparatus for household, sanitary, heating and energy technology, namely equipment and apparatus for measuring, regulating and checking (supervision) of energy, heat, cold, water, gas, oil, electricity and ancillary costs, and for the recording, display and transmission of data relating thereto