Guideline 14-2023 for Measurement of Energy, Demand and Water Savings: What the Retrofit Really Saved

In the Fall of 2002, ASHRAE published Guideline 14-2002 to fill a need for a standardized set of energy (and demand) savings calculation procedures. The Guideline was updated in late 2014, with water savings added to its scope. A new version, Guideline 14-2022, is in the final stages of development, and this article details these updates to the guideline.