Errata are non-substantive changes to the BACnet Standard. These do not have to go through the rigorous process of Addenda. Errata, once published, are also part of the standard.
To download descriptions of all known errors in the published standards ANSI/ASHRAE Standard 135 (BACnet) and ANSI/ASHRAE Standard 135.1 (Method of Test for Conformance to BACnet), please use the following links:
ASHRAE 135 – The BACnet Standard:
- 135-2020 Errata
- Standard 135-2020 Errata Summary (April 29, 2024)
- Standard 135-2020 Errata, Addendum cf (January 5, 2023)
- Standard 135-2020 Errata, Addendum ce (January 5, 2023)
- Standard 135-2020 Errata, Addendum cc (January 5, 2023)
- Standard 135-2020 Errata, Addendum ca (January 5, 2023)
- Standard 135-2020 Errata, Addendum bv (January 5, 2023)
These apply to superseded versions of 135 and its addenda:
- 135-2016 Errata
- Standard 135-2016 Errata Summary (July 6, 2020)
- Standard 135-2016 Errata, Addendum bi (July 6, 2020)
- Standard 135-2016 Errata, Addendum bj (July 6, 2020)
- Standard 135-2016 Errata, Addendum bd (February 1, 2020)
- 135-2012 Errata
- Standard 135-2012 Errata (June 29, 2015)
- 135-2010 Errata
- Standard 135-2010 Errata (June 26, 2012)
- 135-2008 Errata
- Standard 135-2008 Errata (October 25, 2010)
- Standard 135-2008 Errata, Addendum j (February 10, 2010)
- Standard 135-2008 Errata, Addendum q (May 6, 2009)
- Standard 135-2008 Errata, Addendum w (June 9, 2010)
- 135-2004 Errata
- Standard 135-2004 Errata (January 24, 2009)
- Standard 135-2004 Errata, Addendum d (August 9, 2006)
- 135-2001 Errata
- Standard 135-2001 Errata (January 24, 2004)
- 135-1995 Errata
- Standard 135-1995 Errata (September 7, 1999)
ASHRAE 135.1 – The BACnet Companion Standard (Testing):
These apply to superseded versions of 135.1:
- Standard 135.1-2007 Errata Additions (February 1, 2020)
- Standard 135.1-2007 Errata (February 10, 2010)
- Standard 135.1-2003 Errata (January 24, 2004)