Ashrae Energy Audit Definitions

Presenter s note per ashrae.

Ashrae energy audit definitions.

Standard 211 adjusts the scope of the. The level 2 project starts with the findings of the level 1 audit and evaluates the building energy systems in detail to define a variety of potential energy efficiency improvements. Ashrae level 2 energy survey and analysis. The precise definitions of ashrae energy audit levels 1 2 and 3 in procedures for commercial building energy audits 2nd edition have.

Ashrae standard 211p level 2 energy audit quality assurance review evaluate the feasibility and appropriateness of identified measures as well as the reasonableness of energy savings projections implementation cost estimates and all observations and findings of the energy audit report. Perform an energy audit typically at level 2 energy survey and engineering analysis as defined in ashrae s procedures for commercial building energy audits 2nd edition. Preliminary energy use analysis. The next step for most facilities is the ashrae level 2 audit assessment.

The financial analysis or life cycle cost analysis provides the facility owner with comprehensive understanding of the financial benefits of implementing specific. Procedures for commercial building energy audits second edition available in print or digital format. Revision of that publication has already begun. Ashrae level 2 energy audit an ashrae level 2 energy audit is the most popular type widely available and is useful for evaluating and developing most energy projects lighting measures and controls basic hvac measures motor upgrades including variable frequency drive applications replacement of inefficient equipment with energy efficient alternatives building envelope measures.

As audit complexity increases so does thoroughness of the site assessment. Each audit level builds on the previous level. Ashrae offers sample audit forms and templates for download to help potential customers evaluate procedures impact. Preview audit forms and templates.

Ashrae 2 defines three levels of audits. All three levels of audits require a preliminary energy use analysis which involves the following. Ashrae terminology a free resource is a comprehensive online glossary of more than 3700 terms and definitions related to the built environment with a focus on heating ventilating air conditioning and refrigeration hvac r as well as building envelope electrical lighting water and energy use and measurement terms. Between the energy audit level definitions herein and the prior definitions that are part of the pcbea.

A level 2 audit includes the preliminary ashrae level 1 analysis but also includes more detailed energy calculations and financial analysis of proposed energy efficiency measures. If you spend 10 000 on an ashrae level 2 audit that finds energy savings potential of 5000 then you overpaid for the audit and probably should have gotten an ashrae level 1 audit.