Room thermostats


Siemens has a complete thermostat portfolio, ranging from simple mechanical & digital room thermostats for basic room climate control, to advanced KNX communicating thermostats for integration into building automation systems. The portfolio offers unequaled application depth as well as specialized applications for specific building types. Siemens satisfies even the very toughest international energy-saving standards such as EN15232 and eu.bac class A or AA.   Furthermore, Siemens, as a global innovator, is driving future thermostat market trends: for example, indoor air quality control for the best occupant health and productivity; and communicating, cloud-connected thermostats to revolutionize building management and remote service.

Would you like to know more?


Sensors siemens

Symaro – Sensors from Siemens

Symaro sensors ensure a healthy and productive indoor climate. They record and transmit readings extremely quickly and accurately, providing an optimal basis for precise and therefore energy- and cost-efficient control of the entire HVAC plant. With innovations such as the integrated test function and highly versatile multi-sensors for different applications, Symaro sensors are a secure investment in the future. And thanks to an installation concept that has been refined for decades, they can be quickly installed and put into operation – so your investment pays off right from the start

Would you like to know more?

Valves and actuators

Valves and Actuators

Acvatix hydronics Everything under control.

Acvatix™ is a versatile range of valves and actuators designed for ease of use, superior control accuracy, and energy efficiency. The Acvatix product range can help you to fulfill nearly any control and hydronic requirements associated with the generation, distribution and use of heating and cooling.

Would you like to know more?

Damper actuators

OpenAir Damper Actuators

OpenAir speaks your language

OpenAir™ is a comprehensive portfolio of damper actuators with a wide selection of positioning forces, control signals, communications standards and add-on options that can be tailored to your HVAC requirements. Designed for durability and efficiency, the OpenAir actuators come with low-consumption motors, and quick, precise function control. The result? Long lifecycles, noticeably low energy consumption, and durability during transportation, on the construction site, and in operation.

Would you like to know more?

Smart Thermostat

Smart Thermostat

The thermostat portfolio is enhanced with a Smart Thermostat for heating applications. With powerful built-in sensors, the Smart Thermostat controls temperature and humidity and can also monitor indoor air quality. The Smart Thermostat can be controlled from anywhere at anytime using the Smart Thermostat app.

Smart Thermostat

Standalone Thermostats


Residential & commercial applications

Special emphasis is placed on fast installation, intuitive operation and accurate control.

The stand-alone room thermostats cover all room HVAC applications:

  • Heating and/or Cooling

  • Fan Coils

  • Variable Air Volume

Standalone Thermostats


  • Room Thermostats

  • Smart Thermostat

  • Standalone Thermostats

  • Communicating Room Thermostats

  • Capillary & Clamp-on Thermostat


  • Fine dust sensors 

  • Temperature sensors

  • Humidity sensors

  • Air quality sensors

  • Pressure sensors

  • Flow sensors

  • Flush-mount sensors

Valves and actuators

  • Intelligent Valves

  • Dynamic hydronic balancing

  • PICVs (pressure-independent combi valves)

  • Globe valves

  • Control ball valves

  • Magnetic valves

  • Rotary valves

  • Refrigerant valves

  • Actuators for globe valves and PICV

  • Actuators for rotary valves