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Jun 08, 2016, 10:21 PM
Lee / RC Enthusiast
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Build Log

Homemade Air Filtration Solution


When my new garage workshop was completed back in 2013, I wanted to reduce the amount of dust produced by my sanding & cutting tools. I could have purchased an expensive JET air filtration unit ($300+) or gone super cheap with a box fan and air filter. However, I saw a few homemade boxes built by carpenters that caught my eye so I decided to build my own using items I had around the house.

My unit is built around a 20x14" air filter. It's not a popular size but it fits in my workshop nicely and is sized properly for the 465CFM fan I purchased.

Here are the two main items for this build:

Active Air 465CFM Blower (discontinued - but good for reference info)

60-minute A/C Spring Loaded Wall Timer (a MUST)

The box is built out of plywood and MDF. The inner-lining is a material called HOMASOTE. It's used here as noise reduction material. However, it is also a great material to put on top of your workbench. It is flat and holds pins very well.

The best tip was that 60-minute timer. The MAIN reason to have it is so you can turn the fan on when you leave the room. It'll process the air in the room for an hour and then automatically shut off. The SECOND reason it helps is that it tells me how long I've been in the workshop! Sometimes I get so wrapped up in things I let time fly. I turn on the fan when I walk in and take a break when it goes off. Very user friendly device.

My workshop is MUCH cleaner now that I have this unit. I hope you consider building one for yourself. If you can build a box, you can build this.

If you have any questions, please drop a comment.


. shop dust collector air cleaner
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Jun 08, 2016, 11:36 PM
Registered User
Toomb Raider's Avatar
Nice job! That is a fantastic DIY solution! Slide in filter, fancy!
Jun 09, 2016, 02:35 PM
Waste Nothing
RickC_RCAV8R's Avatar
Yar:

This , sir , is the very solution to the dust problem in my small shop that I have been seeking . It looks as if it is a very effective unit . Nice work . My only question would be with the positioning of the unit as far as height goes . Is it better placed up high or lower near the floor much like the ones used in automotive paint spray booths ?
Jun 09, 2016, 04:27 PM
Lee / RC Enthusiast
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Quote:
Originally Posted by RickC_RCAV8R
My only question would be with the positioning of the unit as far as height goes . Is it better placed up high or lower near the floor much like the ones used in automotive paint spray booths ?
Good question. When I searched for "shop dust filtration", there were models hung from the ceiling and some sitting on wheels to move around the workshop. I don't think there's a right or wrong method. Obviously, you want the filter side to be closest to what produces most of your dust.

Mine sits to the side of my workbench and faces away towards the entry door. I attached small plastic floor sliders on the bottom so I can move it around if necessary (no wheels). The handles allow me to carry it into the garage for other projects.
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