The manufacturer accuses them of lying about the power of their devices: the motor of certain vacuum cleaners (the Q8.0 from Siemens and GL80 / In'Genius ProPerform from Bosch) supposed not to exceed a power of 750 watts according to the labeling , would actually be pushed to over 1.600 watts. Charges, Dyson says, based on independent testing. Worse, the process used would be a little modeled on that of Volkswagen's software. The British company claims that in the absence of dust, the suction requires minimum power. The latter would then rise, thanks to a sensor placed on certain models, when the part to be cleaned is dirtier. “Consumers who buy these machines on the basis of their AAAA energy label are misled,” says the high-end manufacturer.
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