Hey There, I'm spray painting with cans of paint in a 12' by 20' one
car garage with a 7.5' high ceiling. The fumes are quite toxic and need
to be removed!
I've read that you take your all 3 measurements and
multiple them together to get your cfm for the room. Then buy a fan
according to the cfm of your room so it has enough power to exhaust your
room. I live in British Columbia so its very cold here in the winter to
open the garage door to paint because the paint doesnt dry when it is
cold.
I have one 2.5' by 2.5' to vent out and 8" opening in the
wall opposite to the window that i could put a intake fan. I have a
polyed off 20" box fan in the window right now but its not moving that
much air through the room. Some say box fans push around 2500cfm and
other says they push around 250cfm. But this obviously isnt working well
enough because its only strongly pulling air/smoke about 2' away from
the fan.
So my question is what would be the most efficient way to properly vent my garage
- Without spending a excessive amount of money?
- How much cfm do i really need?
- Possibly 2 fans for exhaust and 1 for intake?
Here is a few options ive been considering:
First 2 links i was thinking buying 2 or each and 3 link i was just going to purchase the one because its more expensive.
http://www.homedepot.ca/product/aerodynamic-turbo-aire-high-velocity-fan/941378
http://www.harborfreight.com/8-inch-portable-ventilator-97762.html
http://www.homehardware.ca/en/rec/index.htm/Hardware/Farm-Supplies/Animal/Fans/Barn/10-2-Speed-Barn-Fan-with-Shutter/_/N-1r4p8mZntjlbZhv7jjZbwvhrZ1qjdmp/R-I5245022
Please let me know what you think and suggestions
Thank you
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