Overview of ASHRAE 100-2015 Energy efficiency in existing buildings

The standard was released in 2015. Presents the background and revision of the standard. Emphasizes on the energy efficiency requirement target and main procedure. The standard sets the actual energy-use intensity (EUI) as a goal orientation, and provides the requirements on energy management plan, operation and maintenance program, energy audit and detailed energy efficiency measures to achieve the energy target. Discusses the reference and enlightenment of the standard in terms of standardization form and technology on the relative standards establishment in China.