Miq Millman wrote:
>
snip
> I put one of these in my shop last year. 36", dual cycle, auto-louvers,
> claimed throughput of 3500 cfm. It was $380 with a contractor's discount
> at Grainger. I hooked it up with a rheostat switch on the wall so I can
> vary the speed. At full blast it will suck the front door open from 80
> feet away if its not latched, even with one of the garage doors open.
>
more good stuff deleted
> Miq Millman miq@teleport.com
> Tualatin, OR
Question: what is the benefit of a Graingers (presumably heavy duty) shop fan
over
a lower cost Home Depot type of attic exhaust fan or whole house fan ?
TIA
-Roger
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