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Exhaust Fans -- what's best?

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Forum topic by meyster posted 10-20-2010 08:19 PM 3055 views 0 times favorited 2 replies Add to Favorites Watch
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meyster

1 post in 2628 days


10-20-2010 08:19 PM

Topic tags/keywords: exhaust fan workshop dust question tip

I am finishing my new (800 sq ft!!) woodworking shop. While I’ve got the ceiling joists still open I thought I might install one or two exhaust fans to help get rid of dust and odors. I know I need something stronger than a regular bathroom type fan. What size exhaust fan do I need? Has anyone read an article on this, or maybe figured it out on their own.


2 replies so far

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randi

43 posts in 2287 days


#1 posted 10-20-2010 09:07 PM

Recommended air change rates per hour for typical rooms.
http://www.engineeringtoolbox.com/air-change-rate-room-d_867.html
Garage/workshop specific:
http://www.engineeringtoolbox.com/garage-ventilation-d_1017.html
How to calculate:
http://www.engineeringtoolbox.com/air-change-rate-d_882.html

You could get a fan that would work with whatever calculations you come up with.

-- "A computer lets you make more mistakes faster than any invention in human history - with the possible exceptions of handguns and tequila." ~Mitch Ratcliffe

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lew

11347 posts in 3222 days


#2 posted 10-20-2010 10:43 PM

I use an air handler unit from a hot air furnace. It is the squirrel cage type with either a 1/4 or 1/3 horse 110v motor. I have it mounted in the window to exhaust to the outside.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

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