According to the definition in the ISO 50002 standard, an energy audit is a systematic analysis of energy use and energy consumption within a defined energy audit scope, in order to identify, quantify and report on the opportunities for improved energy performance.
Therefore, An Energy Audit is an energy assessment that analyses energy flows in a building, process or system to reduce the amount of energy input into the system whilst maintaining or improving human comfort, health and safety. The level of detail of this evaluation determines the type of audit.
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Benchmarking Audit
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ASHRAE Level I Audit
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ASHRAE Level II Audit
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ASHRAE Level III Audit
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Investment Grade Audit
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The Master Audit