What do you use for ventilation?

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I just rented a 1200 sq ft shop and it fills up with smoke when Tig welding.  Do you guys use any type of ventilation like a stove would use, or something of that nature? I was thinking about fabbing one up but didnt know if that create a problem when welding. My buddy suggested using a box fan that had a speed control on it so it wasnt like a toronado and drawing the smoke/fumes thru the back of it.  Any suggestions?Thanks,Dave
Reply:Tig welding shouldnt cause smoke. But if you mount a fan in a wall drawing air outside, it will pull the smoke out.UA Local 598
Reply:I found my home made ventilation thread here. Hope this helpshttp://weldingweb.com/vbb/showthread.php...ilation+systemMiller DVI2Lincoln Precision Tig 225Thermodynamics Cutmaster 38Everything else needed.
Reply:a 20 dollar metal floor fan from lowes...if you're not livin on the edge, you're takin up too much room..