Professional Engineer’s Guide (2MB) provides information to assist the licensed building professional in reviewing a rated building as part of the application for the ENERGY STAR. Here you will find the procedures for evaluating the acceptability of a building’s indoor environment and verifying the building and energy data entered into Portfolio Manager.
Methodology for Incorporating Source Energy Use (435KB) provides an explanation of the distinction between site and source energy consumption methodologies. The document also provides details on the policy for incorporating renewable energy, the philosophy behind the use of national factors, and specific calculations used to derive each conversion factor.
2001 Fact Sheet (346KB) provides an overview of the types of buildings that have earned the ENERGY STAR using the rating system in Portfolio Manager.
2001 Class Study (111KB) and 1999 Class Study (953KB) both provide detailed information about the characteristics of buildings that earned the ENERGY STAR in 1999 and 2001. These papers present important data that verifies the validity of the national energy performance rating system.