Member Directory


Siemens Building Technologies
Gubelstrasse 22
Zug  CH-6300
Tel: +41 (41) 724-2424
Fax: +41 (41) 723-5173

Siemens Building Technologies Logo

Siemens Building Technologies provide leading technology building control systems, components and single-source integrated facility management solutions for building HVAC, life safety, and security control.

Siemens Building Technologies manufacture one of the broadest range of buildings products and control systems in the industry; including a a large portfolio of LonMark® Certified Products covering HVAC, lighting, motor controls, smart room switches and sensors, & general I/O.  Siemens BT’s product categories include building automation, energy efficiency, fire safety, and low-voltage power-distribution and electrical-installation technology, security, and other components of a total buildings solution.

Further, Siemens BT provide consulting, training, and on-site support services through specialists in over 50 countries.  They provide world-class customer satisfaction, building comfort, safety, energy efficiency, and efficient operation for facilities in more than 125 countries.

Siemens announced at the end of March 2011 that they have sold 1 000 000 Desigo RXC single-room controllers based on LONWORKS technologies.  Look to the Listing of LonMark Certified Products for Siemens (below) to learn more about the Desigo RXC line.

Siemens have been a LonMark member since 1996 and they were featured as the LonMark Member Focus for March 2011.


LonMark Contact Information:

Klaus Waechter
Global Standardization Manager
Tel: +41 79 260 5847
E-mail: waechter.klaus(a)


Listing of LonMark Certified Products:


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Siemens Building Technologies
joined LonMark as a Member over 20 years ago.


Membership to LonMark International is open to any company, organization or individual committed to the development, manufacture, and use of interoperable open, multi-vendor control systems utilizing ISO/IEC 14908-1 and related standards.

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