Siemens is a leading supplier of room thermostats for a wide range of heating, ventilation, and cooling applications in every conceivable setting – whether it’s in the residential sector, hotels, offices, or public buildings. And our portfolio has products for any budget as well: From simple electromechanical on/off thermostats, units with wireless thermostats, and room thermostats with a continuous output signal to advanced touchscreen and efficient Open Therm units. Most models are available as programmable versions with 24-hour or 7-day-program or as non-programmable units with or without display.