BACnet Testing Laboratories

BACnet Testing Laboratories (BTL) oversees the global BACnet product certification program and other interoperability testing activities. On this site you will find the listing of certified BACnet products as well as technical information and documentation relating to testing and certification.

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Building Automation and Control Network

BACnet (Building Automation and Control Network) is the global data communications standard for building automation and control networks. It provides vendor-independent interoperability for networked equipment and control devices supporting a wide range of building automation applications.

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Latest News

Minimum Protocol Revision

Dec 18, 2025

Reminder for BTL Testing The current Minimum Protocol_Revision for BTL Testing is PR_18. It will remain the minimum Protocol Revision for BTL Testing in 2026. January 1, 2027, the Minimum […]

PlugFest Workshop to be held October 14th-16th

Aug 29, 2025

BACnet International and BACnet Testing Laboratories (BTL) invites BACnet product developers and manufacturers to attend the annual PlugFest Interoperability Workshop. PlugFest is an interoperability event that allows vendors from all around the […]

BACnet International Publishes Guide to the Network Port Object

Aug 29, 2025

Targeted at developers and testers of BACnet devices, the Guide to the Network Port Object discusses the differences between hierarchical and non-hierarchical Network Port objects and the benefits of each. […]

Now Available from ASHRAE: Free Preview of the BACnet Standard

Aug 27, 2025

ASHRAE now allows website visitors to preview its standards and guidelines in a free, read-only PDF format. This includes the latest BACnet Standard 135-2024. If you need technical support, please contact […]

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