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NC State Extension

Energy Efficiency Measure (EEM) – Defined

Energy-using appliance, equipment, control system, or practice whose implementation results in reduced energy use while maintaining a comparable or higher level of service.Practical info: EEMs decrease the amount of energy needed to provide the same level of comfort or utility (e.g., a heating or cooling system that provides the same comfort with less fuel or electricity; a refrigerator of comparable size and features that uses less electricity).