software analysis state in auditing energy in buildings

In recent years, increasing growth of energy consumption indicates economic growth, industrial improvement and thus, economic expansion. In the other side, perhaps due to low cost of energy in Iran, industry authorities and consumers do not properly use of it which result in special rules. However, energy audit is an efficient tool which helps responsiblesto plan for energy. Therefore, important issue which  is discussed here related to software analysis statein auditing energy in buildings. Finnally, the paper leads to introduce some sofware packages which can be used for this proccess and their advantages and shortcomings.