Annual fuel utilization efficiency

ID: annual-fuel-utilization-efficiency

Annual Fuel Utilization Efficiency (AFUE) is a measure used to evaluate the efficiency of heating appliances, such as furnaces and boilers. It indicates how effectively a heating system converts fuel into usable heat over the course of a year. The AFUE percentage represents the ratio of the annual heat output of the system to the total annual fuel input, expressed as a percentage.

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