1. The energy efficiency rating on a washing machine is a classification method that represents the difference in energy efficiency between household electrical products. The energy efficiency rating of washing machines is evaluated based on three indicators: power consumption, water consumption, and washing ratio
2. Currently, the energy efficiency labeling of washing machines in China is divided into five levels. Level 1 indicates that the product's energy-saving level has reached the international advanced level, with the lowest energy consumption and an energy efficiency ratio of over 3.04; Level 2 indicates that the product is relatively energy-efficient, with an energy efficiency ratio of 3.20 to 3.39; Level 3 indicates that the energy efficiency of the product is at the average level in the Chinese market, with an energy efficiency ratio of 3.00 to 3.19; Level 4 indicates that the energy efficiency of the product is lower than the average level in the Chinese market, with an energy efficiency ratio of 2.80 to 2.99; Level 5 is a market entry indicator for washing machines, and products below this level are not allowed to be produced or sold, with an energy efficiency ratio of 2.50 to 2.79
3. In actual testing, the three indicators are interrelated and affect each other. An increase in the value of one indicator is likely to lead to a decrease in the other indicators, and the energy efficiency level value indicated on the energy efficiency label will ultimately take the lowest level of these three indicators. That is to say, although the energy efficiency level of a washing machine is a direct reflection of power consumption, it contains not only a power consumption indicator, but also a comprehensive indicator
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