This website uses cookies to store information on your computer. Some of these cookies are used for visitor analysis, others are essential to making our site function properly and improve the user experience. By using this site, you consent to the placement of these cookies. Click Accept to consent and dismiss this message or Deny to leave this website. Read our Privacy Statement for more.
BTL Background Info

What is the BTL?

BACnet Testing Laboratories (BTL) was established by BACnet International to support compliance testing and interoperability testing activities and consists of BTL Manager and the BTL-WG.


General Activities of the BTL

  • Publish the BTL Implementation Guidelines document

  • Organize the annual BACnet International sponsored Interoperability Workshop

  • Award worldwide BTL Listings to qualified BACnet devices Support the activities of the BTL-WG

  • Provide support to the BACnet community with the help of the BTL-WG when questions arise on the testing package

  • Publish and maintain the BTL Test Package with the technical support of the BTL-WG for use by pre-testers and approved BACnet testing laboratories

  • Approves Testing Laboratories for BTL Testing

What is the BTL-WG?

The BACnet Testing Laboratories (BTL) Working Group (WG) was formed by BACnet International to oversee the establishment of the BACnet® conformance certification and listing program. The BTL-WG is comprised of members of BACnet® International and BIG-EU whose goals are to promote and maintain the BACnet® and BTL® trademark.


The BTL-WG provides oversight and guidance to the BACnet Testing Laboratories (BTL). The BTL-WG is responsible for the technical aspects of BACnet International's testing and listing activities, the central goal of which is to improve BACnet interoperability between building automation products.


The BTL-WG typically meets by phone every other week and has face-to-face meetings quarterly.


View BTL Working Group Charter


How do I join the BTL-WG Committee?

To join the BTL-WG, please contact Emily Hayes, BTL-WG Chair at


 Interested in becoming a member of the BTL-WG Yahoo Group? 


You can join the group today at by clicking on “+ Join Group”.



Membership Management Software Powered by YourMembership  ::  Legal