BPI’s ‘Delta Standard’ Released for Public Comment
2015-05-26
The Building Performance Institute Inc. (BPI) has announced that ANSI/BPI-2400-S-2012: Standard Practice for the Standardized Qualification of Whole-House Energy Savings Predictions by Calibration to Energy Use History, also known as the "Delta Standard," has been updated and the revised portions of the standard are now available for public comment through June 7, 2015.
