DIY Shop Air Cleaner – Free Plans

DIY Shop Air Cleaner – Free Plans

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After building my shop I soon realized that it was really hard to breathe with all the dust I was making. After coughing up a lung I decided to hurry up and make a DIY Shop Air Cleaner before my lungs get caked with sawdust. This is what I came up with.

It is essentially just a wooden box with a blower motor sucking dirty air through a set of filters and blowing out fresh clean air.

Materials and Tools used:

3/4 – Sheet of 3/4″ Plywood

8×8 Air Register
16x20x1 Air Filter
8″ Inline Duck Fan
Table Saw
Circular Saw
Miter Saw
Tape Measure
Speed Square
Combination Square
Nail Gun Set
Cordless Drill
Cordless Impact Driver
Countersink Drill Bits
Clamps
RZ Dust Mask

CAMERA EQUIPMENT USED:

Nikon D5500
Action Cam
Microphone
Shop Tripod
Gorilla Pod
Lighting

Step one:

Using the free plans that you downloaded from above, cut out the 3/4″ plywood according to the cut list. I used a hand held circular saw to cross cut the pieces to rough size, then finished them off on the table saw. I like this method because it allows me to break down the pieces to a more manageable size before ripping them to final dimensions on the table saw.

Please see PLANS and VIDEO for reference.

Step 2:

Now that you have all of your pieces cut, it is time to cut out the the circle for the blower fan, cut out the bottom section, and cut out the square for front air register. You can use any tool you have available that can cut through wood but I used my trusty Black and Decker Matrix with the jig saw attachment.

Please see PLANS and VIDEO for reference.

Step 3:

Now it is time to assemble the wooden box. The construction of the box is very simple, I used glue and brad nails to attach the pieces together. Reference the plans and the video above for details on how I do this and hopefully it helps you figure out how to assemble yours.

Please see PLANS and VIDEO for reference.

Step 4:

Attaching the filter frames.

Measure and mark the locations of the filter frames and attach the strips with wood glue and brad nails. Once I have all the frames attached, I then attach the bottom of the box. This piece has a large square cut out that holds the filters in place but also allows full airflow through the filters.

Please see PLANS and VIDEO for reference.

Step 5:

Make it air tight.

Now that most of the box is assembled it is very important to make sure that the intake portion of the box is air tight. Any type of sealant will work for this but you must not skip this step. It is vital that all air being blown out of the discharge of your air cleaner passes through the filters first. If you have gaps or leaks in your box air and dust will get sucked in and re-circulate back into your space.

At this point you should also install your blower fan and make sure that you seal that as well.

Please see PLANS and VIDEO for reference.

Step 6:

Attach the front air Register.

Now you are almost done. There are only a few steps left.

Attach the front piece with the 8″x8″ square cut out of the center to the box using some more wood glue and brad nails.

Insert the air register into the 8″x8″ opening and use the 2 screws that are provided with the register.

Please see PLANS and VIDEO for reference.

Step 7.

Install filters and turn it on.

Not much left to do except popping in the two filters and installing the air cleaner somewhere in your shop.

I hung mine on the ceiling right above my miter saw because that is where the most sawdust is generated in my shop. I have had mine running for a few weeks now and I have to say that having an Air Cleaner makes a huge difference in the air quality in my shop. I am very glad that I took the few hours it took me to build this project.

Thank you so much if you made it this far.
Please view all of the detailed photos, download the FREE PLANS, and watch the VIDEO for reference.

If you have any questions at all please leave a comment.