Regulation and commissioning of heating, ventilation and air conditioning systems; design and manufacture of industrial electrical cabinets as well as their distribution; electrical connection of boiler rooms, technical rooms for ventilation, air conditioning and industrial or commercial refrigeration systems; computer-aided engineering (CAE) and design, particularly in the field of electrical diagrams, and technical building management; automation, supervision and industrial processes; all services related to alarms and home automation; maintenance and remote management; energy analysis, studies and audits (cf. statutes for full purpose).