A lot of power for its size.  I use it in our enclosed back porch.   It really warmed it up nicely for a winter day.   The Vornado made is comfortable enough to do some cleaning and furniture rearranging.  the safety features are top notch.  as soon as you pick it up it shuts off same for being tipped  or turned over.  It has a nice an quiet fan too.   Great features!