![]() Because the more water-logged a load of laundry is, the more energy the dryer needs to expend. In other words, the higher the IMEF and the lower the IWF, the more efficient a washer is.Īs of 2023, in order for a washer to be considered high-efficiency, it must have an IMEF greater than or equal to 2.76 and a IWF lower than or equal to 3.2.Īt Reviewed, we actually add an additional variable, which is the weight of laundry after washing. There’s also the IWF or Integrated Water Factor-the ratio of the total water usage and size. The IMEF is the ratio between the size of the washer and how much hot water and electricity it uses. The program’s aim is to create a rating system to help consumers buy more environmentally friendly products.įor washing machines, this is partially determined by a unit’s Integrated Modified Energy Factor (IMEF). Kurt Cobain is still alive and the United States government is starting a program called Energy Star. Let us rewind time a little bit to the year 1992. ![]() A high-efficiency washer classified by the ratio of capacity and water usage. ![]()
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