For a friend of mine, I set up his miller in a room where he keeps the relative humidity at 55-65%, or above. This high, none of the fiberglass particles retain any charge & don't stick to anything.
In my other life, I manage my wife's fiber business. We rebag a very fine polyester fiber which, if the humidity is low, really goes everywhere; the baggers, even wearing masks, were complaining about it.
The rebagging takes place in a room which is exposed to the internal air of a large commercial building, we can't really humidify the room without humidifying the whole place (which is 500,000 square feet. But we did set up, on one side of the bagging station, a cheap home humidifier ($7.95), and, on the other side, a ShopVac air cleaner, which was chosen because it was cheap (about $100), sits nicely on a table top, running air horizontally, and relatively quiet. (It's largely sold for use in home woodworking shops). So we created a decent flow of locally humidified air across the work area. It seems to be working.
If it hadn't worked, we'd have constructed a hood, and would have placed the ShopVac vertically to exhaust the hood -- it can easily be hung on a wall. But that would have raised our cost substantially....
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