ASHRAE 2008 BACnet published
Guidance to reduce a building’s energy consumption on demand is contained in ASHRAE’s newly published BACnet standard.
ANSI/ASHRAE Standard 135-2008, BACnet—A Data Communication Protocol for Building Automation and Control Networks , allows building equipment and systems manufactured by different companies to work together. It is the only open, consensus-developed standard in the building controls industry. The new standard contains seven addenda approved since the 2004 standard was published.
The standard contains new guidance related to the Load Control object, an extension to reduce a building's energy consumption on demand—a key element of the integration of energy utilities and buildings to reduce or eliminate brownouts and blackouts from energy grid overload.
It also covers:
The cost of ANSI/ASHRAE Standard 135-2008 is $119 ($99 for ASHRAE members).