ASHRAE GUIDELINE 14
Measurement of Energy, Demand, and Water Savings
|Publication Date:||18 December 2014|
This document provides procedures for using measured preretrofit and postretrofit billing data (e.g., kWh, kW, Mcf, kgal) for the calculation of energy, demand, and water savings.
The purpose of this document is to provide guidelines for reliably measuring the energy, demand, and water savings achieved in conservation projects.