Originally Posted by nomadmax

It is a fan. I got it at Harbor Freight many years ago despite terrible reviews, haven't had any trouble with it and the knob acts like a dimmer switch. I can get as much or as little wind as I want on the rollers it's in front of. It has several legs so you can point it at about any angle you want (or moving it forward/back). If you don't have room to move it forward/back and the angle isn't just right, you can put a short section of 1x3 under the legs to get an intermediate angle (if any of that makes sense). Up near the overhead light, above the treadmill, I have a small thrift store fan hanging from the rafters.