Originally Posted by Mcgyver welding fume extraction isn't picking up particles, just venting volumes of air, makes me think a hood & large blower vented out side is the way to go. |
To conserve on heat in cold weather you can use activated carbon filters. Commercially available welding fume extractors which have a smallish hood on the end of a flexible nozzle discharge back into the workspace and they just use filters to trap the bad stuff.