• Overview

• Device Certification

• Certified Product Catalog

• Certification Tool

• Professional Certification

• Annual LonMark Awards

  Related Information

Device Certification - LonMark conformance instructions.

Design Guidelines - Technical information for developing open interoperable LonMark products.

Technical Corner - Provides answers to commonly asked technical questions.

LonMark Members who manufacture products used in Open Systems

LonMark-Certified Product Catalog

We are sorry: an error has occurred.  We cannot find a presently certified product page at the URL shown in the address field of your Internet browser.  Please go to the Product Catalog to search for the product you desire to locate.  It may be that this products was published on our website in the past but is no longer available.  If you believe the product to be Certified and currently available from the vendor, please contact us or the vendor for more detail.  Thank you.

If you know the Standard Program Identifier (SPID) of the device (it begins with an “8”), and you only need the XIF and/or Resource Files, then please feel free to enter the SPID here; if it is available, you will be prompted to download the file. If it is not available, you will be redirected to the ‘Page Not Found’ page:

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The number of applications for LonMark certification is growing rapidly. To make sure your products are on-track for certification, design conformance into them by following the LonMark Interoperability Guidelines v3.4.

see Device Certification

The Proficiency Testing Program for Qualified Open Systems Installers, Professionals and Integrators provides a worldwide standard of proficiency for individuals that install, integrate and maintain systems utilizing LonMark certified products.

see Professional Certification