Newly revised and updated, this comprehensive handbook has become recognized as the definitive stand-alone energy manager's desk reference, used by thousands of energy management professionals throughout the industry. The fifth edition features new chapters on building commissioning and green buildings. You'll find in-depth coverage of every component of effective energy management, including boiler and steam system optimization, lighting and electrical systems, HVAC system performance, waste heat recovery, cogeneration, thermal energy storage, energy management control systems, energy systems maintenance, building envelope, industrial insulation, indoor air quality, energy economic analysis, energy procurement decision making, energy security and reliability, and overall energy management program organization. Also included are the latest facts on utility deregulation, energy project financing, and in-house vs. outsourcing of energy services. Detailed illustrations, tables, graphs, and many other helpful working aids are provided throughout