This book was written to give energy-involved professionals the tools they need to take their energy audits to the next level, and use them to accurately predict a building's future energy use and true savings potential. Going beyond the conventional energy audit, which can lead to projections which are frequently off by as much as 20%, this book provides detailed guidelines on how to use the new tool, the investment grade audit (IGA), which enables prediction of savings with much greater accuracy. Building on the traditional audit, the IGA requires the addition of a "risk assessment...