Updated with new material, this book shares the author's secrets for simplifying complex energy calculations, and shows you how to use these time-saving methods. It shows you how to cut through the maze using innovative decision-making tools to determine whether you should invest real time and money for developing details of a project being considered. There is information covered on simplified thermodynamics that gives you a blueprint for controlling the building's energy consumption. Key topics covered include the walk-through audit, pumps & fans VFD, high efficiency motors, insulation, fuel switching, heat recovery, HVAC, air compressor, "e;energy myths and magic"e;. Each chapter has "e;Richard's Retrofit Rules"e; and anecdotal experience in the retrofit. There is a summary of energy calculations given by category, plus a discussion of performance guarantees that helps a building manager decide which ESCO can best deliver on their promises of energy savings.