Themis is dedicated to the management of energy in large tertiary buildings. Themis is short for THermic and Energetic MonItoring System as it started as a monitoring system only. It can now act as a full Building Management System (BMS) and the system is now referred to as THEMIS/BIOS, the BIOS acronym standing for Building Intelligent Operating System .
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the basic kit

the Themis basic monitoring kit

indoor temperature and humidity sensors (x10) plus outside temperature sensor (x1)

TRH sensors

radio energy sensing node, to monitor electric current (x3) and voltage (x1)


M2M : Machine to machine (M2M) is direct communication between devices using any communications channel, including wired and wireless.
See wikipedia

the Themis box , ie the “heart” of the system containing all devices necessary for datas aggregation and online availability in real time


In the basic edition, the Themis box includes :

  • a radio receiver 169 Mhz for the link with the temperature sensors
  • a 4G router
  • an emonPI, dedicated to data recording and featuring a 868 Mhz radio receiver to catch data from power consumption sensors (electrical)