Protocol Test Lab (PTL) operates the global BACnet Test Laboratory (BTL) for BACnet International since 2006. PTL is ISO17025:2017 certified.


Processes followed to meet ISO 17025 requirements ensure consistency, record-keeping and on-going improvements.

BACnet protocol compliance and interoperability testing are conducted in accordance with the requirements of the BTL Working Group.

Successful test results from PTL can be used as the basis for BTL certification.