Having had a Dyson before, the noise he made was truly a black spot. Not necessarily its volume but also a sharp and shrill sound ... In short, the aspect of "silence" was paramount in choosing this Rowenta. I must say that on that side, it is not over. This is not of course absolute silence but there is a world with the old. And manufacturing quality side, the Rowenta provides a quality feel Dyson at least equal to, if not more. With a softer price too, what more ...