This reference guides readers step by step through applying the principles of energy engineering and management to the design of electrical, HVAC, utility, process and building systems for both new design and retrofit projects. Covering the latest codes and standards and the Energy Independence and Security Act, this edition includes information on software packages from the Best Practices Program of the U.S. Department of Energy and emerging technologies such as oxy-fuel combustion, high efficiency burners, enhanced heat exchangers, and ceramic membranes for heat recovery.