Indus3Es SYSTEM is aimed to recover and revalue non-recovered low-exergy surplus heat in energy intensive industrial processes. Indus3Es System will upgrade low temperature waste heat streams to process heat streams at higher temperature levels and then use them in internal industrial process, reducing primary energy consumption of the industry. The developed system constructed in real environment in Tüpras, the main petrochemical industry in Turkey, enabling to analyze besides integration aspects, operational and business issues by Gizil Enerji as the main contractor.