Clothes Washer Modified Energy Factor

Modified Energy Factor, MEF, is the energy performance metric for ENERGY STAR qualified clothes washers and all clothes washers as of February 1, 2013. MEF is the quotient of the capacity of the clothes container, C, divided by the total clothes washer energy consumption per cycle, with such energy consumption expressed as the sum of the machine electrical energy consumption, M, the hot water energy consumption, E, and the energy required for removal of the remaining moisture in the wash load, D. The higher MEF, the more efficient the clothes washer. The equation is: MEF = C/(M + E + D).

Data Type: 
Decimal
Category: 
Unit of Measure: 
ft3/kWh/cycle
Source: 
ENERGY STAR
Sector: 
Commercial, Residential, Multifamily
Application: 
BuildingSync
Term ID: a0f5e7ff-632c-4ad4-bdda-cde3a644df84
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