[61wagonair]

Anyone have any opinion on where an exhaust fan should be placed? Im gonna put it about 4' up from the floor. Ive been told to put it higher and also to put it lower...whats your opinion??

[55mole]

What is the fan being used for ? exhaust , paint ?
What is the dimension ?
How many cfms' will it move ?
Or what make & model is it ?

[61wagonair]

not sure of the make and model.. its a 24" fan with a 1/2 h.p. motor and 1150 rpms..

and it'll be used for paint, exhaust and dust - to keep the place clean.

[M&M CUSTOM]

I wouldn't guess on where to put it.

Check to see if your municipality has a building code for this.

[55mole]

If you are going to use this fan for paint fumes & dust it should be explosion proof.
As per your description this fan will move between 4,500 - 7,000 cubic feet of air per minute. This depends on whether the motor is 1 ph or 3 ph , 3 blades or 4,5 or 6 blades, and without ductwork & filters.
As far as mounting the fan , I would mount it as high as I could (at-least 8 feet if possible) so that I would not worry about anything or anyone going into it.
What size is the area the fan is going to handle ?
You are probably going to need make-up air for this fan to work properly. This can be done by opening the garage door up about 12" . Without the make -up air the fan will just"free spin" and not do anything.

Hope this is helpful.55mole

[Dragon J]

I have mine as close to ceiling as possible with a filtered inlet on the opposite corner/ across the room. It is an explosion proof shuttered. If the back end is open paint can get in the windings and cause problems/ and or flash fire.