BACnet Committee (ASHRAE SSPC 135)

Welcome to the BACnet Committee (ASHRAE SSPC 135) website. The committee developed and now maintains the BACnet Standard. On this site you will find periodic updates, corrections, and interpretations of the BACnet Standard. You will also find information on Committee activities and technical information relating to the standard.

About the BACnet Committee

Building Automation and Control Network

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

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The BACnet Committee Working Groups Buy the Standard The BACnet Standard Updates

Latest News

ANSI/ASHRAE 135-2024 Now Published

Dec 31, 2024

December 31, 2024 – Greensburg, PA. Coleman Brumley, Chair SSPC 135, proudly announces the publication of ANSI/ASHRAE 135-2024. This new version of the standard includes 17 addenda to 135-2020, offering […]

Addendum 135-2020cm Now Published

Dec 31, 2024

December 31, 2024 – Greensburg, PA. SSPC 135 Chair Coleman Brumley announces the publication of Addendum 135-2020cm by ASHRAE. This addendum, protocol-revision 30, introduces the BACnet Energy Services Interface, enabling interaction with […]

Addendum 135-2020cp Now Published

Nov 30, 2024

November 30, 2024 – Greensburg, PA. Coleman Brumley, Chair of SSPC 135, proudly announces the publication ofAddendum 135-2020cp by ASHRAE. Published as protocol-revision 29, this addendum introduces the concept of Authorization […]

BACnet Protocol Revision 27 and Protocol Revision 28 Released

Oct 4, 2024

Greensburg, PA, October 3, 2024 — Coleman Brumley, Chair of ANSI/ASHRAE SSPC 135, is pleased to announce the release of BACnet Protocol Revision 27 and Protocol Revision 28. Protocol Revision […]

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Benefits

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