Zone & underfloor control

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Welcome at our website!

Our company is grounded at 1949 in Berlin Germany. The name Rüster stands for High Quality and Service since the start of the company.

Rüster develops and manufactures a wide range of sensors and transmitters for Industrial and HVAC proposes. With our new line of products we decided that it was time to show the world our Unique solutions for HVAC applications.

Our products are not only Innovative and High Quality but also excellent priced!

Rüster building controls is a part of Paul Rüster & Co GmbH

Paul Rüster & Co.GmbH

Paul Rüster & Co GmbH grounded in 1949 in Berlin Germany by Paul Rüster. Rüster is from the start of the company well known as developer and manufacture of innovative and High quality pressure transmitters, resistance thermometers for control of motors and generators, humidity sensing etc (with or without EX approval)

In our industrial delivery program there is a wide range of EX sensors and transmitters, sensors and transmitters special developed for sea going vessels, trains and offshore etc. All these solutions can be ordered with or without calibration!

Our success as a producing company is largely a function of how quickly it responds to new market requirments. Therfore our working methods are state of the art. In certain areas we cooperate closely with Universities, Institutes and partners.

Paul Rüster & Co GmbH is a ISO 9001 approved company.
Want to know more about our possibillitys and solutions? Contact our sales department for more information!

Rüster Zone & underfloor heating/cooling control

Our Zone & underfloor heating/cooling controllers are special designed to offer hy comfort but with less energy use! But not only that! These solutions are designed with great care, not only the use of high quality components and special logic to save energy, but also the products are already at the development stage designed in unique and estetic pleasing housing!

Energy saving

The SMT series of zone controllers are available for controlling zones from 6 until 36 zones!

By accurate measuring of the temperature in each zone and the unique possibility to use differant setpoints in the zones the SMT series of zone controllers offering a large possibility to save energy! Against traditional systems the savings can be up to 40%

Easy to use!

With the unique Energy saving logic and the control of each zone seppartly the SMT series of zone controllers are offering high comfort  with high energy savings for each zone!

The SMT series of controllers are designed to be easy in use, no unnesseccery buttens or diffecult user menu's. The SMT series of controllers are developed with the customer in mind! Easy installation and programming, Easy in use, No maintanace needed!


The SMT "Easy Touch Zone" is one of the many solutions Rüster building controls is offering with unique feuturs like:

Energy saving logic for every zone

Easy installation

Easy programming

Easy in Use

up to 6 zone's

Every zone his own name

Wired or wireless sensors available

Communicative Modbus RTU

For Heating & Cooling

The SMT-EZT is supplied with a control unit mounted in a aluminium box, a room unit for controlling the temperature in the different zone's. The control unit hase 6 inputs for wired or wireless temperature sensors and 6 digital outputs for valve/air damper control. For air handling systems 3 digital outputs for fan control are available. The room unit is mounted on the wall and connected to the control unit by a 4-wire cable!






RS-1Room temperature sensor23,63C
RS-WWireless temp sensor
VSXThermal valves Read more


SMT-700 Elegance

Rüster are pleased to present you with the SMT700 Elegance wall comfort controller. The controller is designed to be extremely attractive yet unobtrusive. Simple to use while still having advanced control capability. This comfort control option has a room unit with large display and temperature sensor. The room unit is connected to the controller by the magic wiring solution of Smart Temp.


7day 4 or 2 event programming or non programmable mode (with night set back)

Auto season changeover between Heat & Cool

Built in Active 2 zone control (With zone temperature display)

sinle & 3 speed Fan control with Auto fan speed (set by system installer)

Multistage equipment control

Built in fan coil smart control (Warm start & residual Heat/Cool run on)

Equipment fault/Occupancy inputs (2) with status display on the LCD

Build in economy function using outside air for free heating & cooling

Flow vertification interlock

Large Backlit liquid Crystal display

Powered from 24Vac or line voltage

 Easy installation

Magic touch buttons





RS-1Room temperature sensor23,63C
RS-WWireless temp sensor
VSXThermal valves Read more


SZ-4 Zone control module






SZ-4/EZone extention card337,05C
RS-1Room temperature sensor23,63C
RS-WWireless temp sensor
VSXThermal valves Read more


SMT-880 Falcon

Finding the right HVAC controlis often not an easy task. Modern consumers expect an attractive and easy to use thermostat featuring all the modern features. The SMT880 Falcon features a full colour 5"touch screen waith a modern interface and attractive icons. Tapping icons open pages that permits the adjustment of comfort levels, system modes and holiday scheduling that are all laid out in an attractive and intuitive format. The Falcon is that easy to use that the user should never need read the manual or call tech support for help using their Falcon.

The capabilities of the Falcon does not stop with a fancy userinterface. The Falcon can easily be expanded to include individual temperature control for up to 9 zones by simply addition of the zone control module.

The controller can be fitted with up to a maximum of 4 wall units.A change made on any one of the wal units will automatically synchronize, updating information to the other wall units.

Each wall unit has the ability to turn zones or the HVAC system On or Off or adjust individual zone temperatures. With the Falcon when using multiple wall units you can adjust in every zone the comfort level.

Also the SMT880 can be controlled by smartphone or tablet, simply by connecting the controller to the ethernet or adding the WIFI  modules. Especcially for smartphone or tablet control SMart temp has developed a easy to use App.


Large 5"full coulour Capacitive Touch screen

Up to 9 temperature controlled zones

Ful Scheduling for each zone

Iphone, Android and web page control

Rh & temperature monitoring & control

Single or 3 speed fan conctrol

Heatpump or heat cool control logic

0..10Vdc Valve control

Photo frame function

Light sensor for automatic backlight control

optional with pressure control possibility's

SMT-880     840,00 C
Falcon WIFI   295,00 C
Falcon zone module   275,00 C
Falcon touch panal   650,00 C
RS-1 Room sensor   23,63 C
V.X thermal valves   Read more    
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Rüster Product News

Flush mounted I/O module with Modbus RTU communication protocol. The unique and compact RBC-I/O is especcially designed to meet the wishes of our customers for a compact contol module witch can switch lightning , sun blinds etc.

For more information about this new unique product, contact our sales department!

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Rüster News


Rüster is proud to inform you that our industrial resistance thermometers and thermocouples are now available with GL certification

GL certification is especially needed when used in Maritime environment

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Rüster Worldwide

We deliver Worldwide!

Ask our sales department about your possibility's!

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