As I stood in the summer of last year in various hardware stores with empty shelves because all table fans were already sold, this year was even before the midsummer a purchase on. The choice was the VU2530, a table fan which is advertised with the "Turbo Silence". Initially (June) I was really excited - I could leave the fan at night through at level 1 and go to sleep without noise. After three months, I have to say now, that has become the fans noticeably louder and I at night can not let him ...
personal conclusion: + High-quality workmanship + Comprehensive manuals + Making "orderly air"