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ASHRAE 90450

Procedures for Commercial Building Energy Audits

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Organization: ASHRAE
Publication Date: 1 October 2011
Status: active
Page Count: 164
scope:

Overview

A commercial building energy analysis can generally be classified into the following three levels of effort:

• Level 1-Walk-Through Analysis

• Level 2-Energy Survey Analysis

• Level 3-Detailed Analysis of Capital Intensive Modifications

In addition, there is a Preliminary Energy-Use Analysis (PEA), which is a prerequisite for any audit, and there are targeted audits, which do not have a strictly defined level of effort bu t may be useful or necessary for some situations.

This section contains a brief overview of the PEA, each audit level, and targeted audits. More rigorous definitions for each level also follow in this section.

Document History

ASHRAE 90450
October 1, 2011
Procedures for Commercial Building Energy Audits
Overview A commercial building energy analysis can generally be classified into the following three levels of effort: • Level 1—Walk-Through Analysis • Level 2—Energy Survey Analysis • Level...

References

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