makes neat wind

The wind machine can be assembled quite easily: a screw for the rod on which it stands and then two on the sides only have to be screwed and the device is ready for use.
The connecting cable can I find enjoyable long, so you can well positioned in the room or outside the window the fan also.
I think at level 1 already makes the thing a lot of wind and I suppose that is the attitude with which I will circulate air in summer under the sloping roof. Steps 2 and 3 already do a small storm - I do not know how many times we need in our latitudes.
I liken this wind machine with a slightly smaller Honeywell fan and can say that it of the strength of the wind are quite comparable dependent. A lot of wind generated consequently also wind noise - that seems to be the same for both.
In short: the wind machine is very powerful, easy to set up and at an appropriate sound level.
I find recommended.