Originally Posted by
harryn
If you want to move air from a work shop area, you need a blower - not a fan. A simple fan only produces velocity - but no real pressure.
To make this a bit more obvious - look at the way air is moved around a house with central heat and air conditioning. It uses a blower - not a fan. The reason - it takes both velocity and pressure to move air any distance.
In fact, a blower from a home furnace is a good estimate of what you probably need. Vent to the outdoors - but your general idea of pulling in fresh air from outside - but them vent "through" the roof to the outdoors - seems good. Just don't vent into the attic - that would be really bad.
As far as using electrostatic filters for removing mists - yes - sort of. I use an electrostatic filter in my house for removing fine particles (pollen) but they load up very fast. Once there is even a fine coating on the surface, filtration is actually worse than with a simple filter.