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Where to point my Air Filtration System?

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Forum topic by Dan Thomas posted 06-01-2018 06:51 PM 562 views 0 times favorited 6 replies Add to Favorites Watch
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Dan Thomas

160 posts in 419 days


06-01-2018 06:51 PM

Topic tags/keywords: air filtration system air filtration garage workshop

I got a new air filtration system, and I’m not sure which direction to point it. Consider this picture:

It’s a 2-car garage, and I get one side of it. :)

#1 is the air filtration system, and its current air flow is in the direction of the arrow.

#2 is a shop fan.

#3 is an air conditioner, with oscillating louvers that direct air in the direction of the arrows.

#4 is the shop vac I use for my dust collection system. It exhausts air in the direction of the arrow.

So what do you think? The location is pretty-much the only reasonable place for it. So the question is, do I have it pointing in the right direction?

I figured since the dust is being generated in the left side of the picture, the AFS should be pulling that air into its filter. Does this seem reasonable?

Thanks.

-- Newbie Dan, https://www.youtube.com/c/thenewbiewoodworker


6 replies so far

View Loren's profile

Loren

10477 posts in 4070 days


#1 posted 06-01-2018 07:07 PM

I think I read something a long time ago about
positioning them near a wall which makes the
air go around the room in a circle.

That wasn’t feasible in my space so mine is hanging
closer to the middle. It still works ok.

View Dan Thomas's profile

Dan Thomas

160 posts in 419 days


#2 posted 06-01-2018 07:13 PM

That’s funny – I read the opposite – that it should be in the middle. :)

In any case, this is really the only place for it in my garage, because of things you can’t really see in the picture.

-- Newbie Dan, https://www.youtube.com/c/thenewbiewoodworker

View clin's profile

clin

1041 posts in 1418 days


#3 posted 06-01-2018 09:17 PM

I’ve heard the same thing about putting on one side, though I’ve not seen any explanation for why this is better. In the middle is going to create two circular patterns.

I do believe overall, it is better to put it more towards one end of the long dimension of the space, and point it towards the larger space. For example, locate it 1/3 from back of the garage bay, pointing towards the garage door (the other 2/3 of the space).

This make sense to me because the exhaust air is a long column of air that takes room to spread out. Intake will come form all directions.

Having said that, I agree with having the intake near where the dust is generated. Much of the dust settles out really fast. Therefore it will drop out of the air before reaching the filter. While out of the air is good, it still means it is coating the floor and other things and is easy to kick up when walking around the shop.

Another thing is to point the filter at whatever you want to stay cleanest. The cleanest air will be the exhaust air from the filter since it has just been filtered. In my case, I have mine pointing right at my mini-split AC unit. This also puts the intake right above my table saw. This seems to work well.

In your case, I see what looks like a structural member right next to the air filter in question. So it seems it would be hard to orient it any other way unless you drop it lower. But since it looks like a nominal 8 foot ceiling, I don’t think you would want to lower it.

Bottom line, I think you have it located about as good as you can.

-- Clin

View Rayne's profile

Rayne

1209 posts in 1962 days


#4 posted 06-01-2018 09:23 PM

I think if you have the #2 fan blowing air/dust towards the garage door, I would turn the Air Filtration 90 degrees where the filter is facing the garage door. This would create an air circulation and capture the dust particles better. Just a thought based on orientation of all the air-blowing devices there.

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Dan Thomas

160 posts in 419 days


#5 posted 06-01-2018 09:48 PM


I think if you have the #2 fan blowing air/dust towards the garage door, I would turn the Air Filtration 90 degrees where the filter is facing the garage door. This would create an air circulation and capture the dust particles better. Just a thought based on orientation of all the air-blowing devices there.

Thanks, and I thought about that. But that puts the control panel facing away from the door into the garage, and makes it much harder to see.

LOL, now that I think about it, I’m not sure I have any other options besides the way I’ve placed it now. :)

-- Newbie Dan, https://www.youtube.com/c/thenewbiewoodworker

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Dan Thomas

160 posts in 419 days


#6 posted 06-01-2018 09:51 PM

Clin -

Thanks, and I think I’ve come to the same conclusion. And yes, the ceiling is low, and the manual says the device needs to be at least 7 feet above the floor, so there’s no options there.

-- Newbie Dan, https://www.youtube.com/c/thenewbiewoodworker

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