The core activity of Mittner Engineering AG is the planning, control and servicing of electrical systems, including: electrical planning, installation of high and low voltage systems in new and renovation projects, energy optimization, renovation of lighting systems, planning and installation of photovoltaic systems, planning and installation of alarm systems, planning and installation of UKV/LWL and TV/SAT systems, and building automation. The company offers these services as an electrical planner and service provider in the regions of St. Moritz, Müstair, Märstetten and surrounding areas.