This book investigates the systematic methodologies required to conduct comprehensive lighting surveys and energy audits in commercial and industrial environments. Author John L. Fetters, a seasoned professional in the lighting industry, provides a structured framework for evaluating existing illumination systems. The text synthesizes technical data, regulatory standards, and practical field techniques to assist facility managers and engineers in optimizing lighting performance and energy efficiency. By focusing on the intersection of hardware assessment and operational cost reduction, the work serves as a technical manual for modern facility maintenance.

Industry professionals frequently cite this work as a foundational reference for those tasked with facility energy management. Experts highlight the clinical, step-by-step approach as particularly useful for practitioners navigating complex lighting retrofits.