This document gives guidance on how to apply ISO 50002-1 to carry out energy audits of a building or group of buildings (new or existing). It is intended to be used in conjunction with, and is supplementary to, ISO 50002-1.

This document does not apply to other areas such as process audits (see ISO 50002-3), specific energy systems (e.g. compressed air) or transport.

This document is applicable to buildings and can be used independently or in conjunction with ISO 50002-3.