An Energy Treasure Hunt is a two- to three-day event that engages employees in identifying low-cost energy savings opportunities from behavioral, operational, and maintenance actions. This 31-page guidebook provides step-by-step guidance on how to organize and execute an Energy Treasure Hunt. Examples from ENERGY STAR partner organizations and checklists are provided to illustrate practices and help with implementation. This guide complements EPA's ENERGY STAR Guidelines for Energy Management.