µC sistema comes with a complete range of accessories, such as displays, probes and options such as communication modules, ensuring a solution that is both reliable and at the same time flexible, so as to responds to different needs. One typical characteristic of commercial buildings where the system is used is high power consumption. For this reason, the other outstanding feature of the Carel offering is continuous technological innovation in order to integrate into its solutions high-efficiency devices such as electronic expansion valves, fundamental for obtaining high energy efficiency in service sector applications and minimising environmental impact.