Dr. Zarei Farhad is a specialized expert in energy auditing and industrial energy efficiency with over 20 years of work and experience. He has helped many national and international projects, particularly in the steel, cement, petrochemical, textile and food processing industries, to enhance efficiency and reduce energy use and emissions. Dr. Zarei, serving as a consultant and educator, has developed and delivered training programmes for the professional capacity building in energy management.
His work on implementing international standards such as ISO 50001 serves to bridge theory and practice in industry. This material is reflective of his vast experience and is a practical guide for managers, engineers, students and consultants who want to improve energy performance and sustainability.
His work on implementing international standards such as ISO 50001 serves to bridge theory and practice in industry. This material is reflective of his vast experience and is a practical guide for managers, engineers, students and consultants who want to improve energy performance and sustainability.








