Energy Auditing Guide

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Description

This guide is intended to provide a background into the process of site energy auditing, in order to identify poorly performing or inefficient equipment that would benefit from optimisation, upgrade or replacement. It does not cover the basic building fabric.

There are a number of formal processes for energy auditing such as ISO 50002 and BS EN 16247 procedures which specify the principles of carrying out energy audits and the requirements for common processes and deliverables. While these are useful procedures, they tend to describe a standard format for auditing and provide a framework to follow but tend to be methodologies rather than explaining about equipment and techniques that may be used when auditing.

While some types of equipment such as compressors and chillers may require specialist knowledge to undertake an in-depth audit, any auditor should be able to carry out a basic assessment of all types of equipment and identify simple techniques for energy saving. This guide will attempt to explain what to look for during an energy audit and basic techniques that can be used to review the use of many common, energy using devices found in modern buildings. It includes sections on various types of equipment frequently found and also a section on control systems which can be applied to all types of equipment.

The Guide includes sections on:

  • Introduction
  • Purpose of an energy audit
  • Preparation for an audit
    • Audit scope
    • Site access
    • Initial data analysis
  • Conducting an audit
  • Control systems
  • Lighting
  • Heating systems
  • Cooling systems
  • Ventilation systems
  • Pumping systems
  • Compressed air
  • Other opportunities
    • On site generation
    • Human behaviour
    • Metering
  • Calculating savings and return on investment
  • Reporting
  • Prioritising opportunities