I purchased this heater a few years ago and it lasted about a year before the fan stopped working. I liked the performance of the heater so much I bought another one thinking maybe I'll have better luck with the new one. This is the second winter I've used it and it has failed. I believe the thermostat is going bad. The heater will turn on for about a minute and then turn off again. And that is with the heater's settings turned all the way up and the room being 65 degrees (10x10 room). I've never had a heater not last more than three winters. This unit has a five year warranty. Well, let me find that receipt a couple years ago and of course I'll go to my storage unit where I save all my boxes..... Needless to say, Vornado will not be getting anymore of my money.