Before starting the energy audit, it is helpful to have some idea of the scope of the project and level of effort necessary to meet expectations. There are three basic types or levels of energy audit, any of which may meet your requirements. The basic audit levels, in order of increasing complexity are:

Level 1— The Walk-Through Audit

The walk-through audit, as its name implies, is a tour of the facility to visually inspect each of the energy using systems. It will typically include an evaluation of energy consumption data to analyze energy use quantities and patterns as well as provide comparisons to industry aver-ages or benchmarks for similar facilities. It is the least costly audit but .......