Or does BPI strictly come from performance and testing base with no preference as to how to compile assessed data?  Any BPI certified folks have any insight?  I am curious since a lot of rating/ certification programs and well as incentive based programs require energy modeling of some type.

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Hi Sean,

BPI has a standard - BPI-2400-S-2011 Standardized Qualification of Whole House Energy Savings Estimates, that outlines the process for the calculation of standardized estimated savings on a home performance job, however BPI doesn't specify what software to use, or approve software.

Please see the standard here.

This is good enough for me, for now, thanks!

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