Oon Y.
Admittedly, it is pricey. But as an air circulator, it works better than the alternatives out there. In terms of volume of air channeled and the noise generated. I was a little unconvinced by it at first and bought an ifan air circulator which cost about 1/4 the price. Well, it churned out slightly more than half the air with twice the noise.
Your result regarding cooling down the room would vary, though. Really depends on whether the air closer to the floor is noticeably cooler than the rest o...