Shop air filter

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Project by 6t5Goat posted 03-27-2012 12:10 PM 2988 views 12 times favorited 8 comments Add to Favorites Watch

Just another shop made air filter.. HVAC blower off an old furnace.. 3/4 inch plywood

I made sure that the filters that it takes match the size of my current home furnace so I don’t need to keep multiple sizes of filters around..

I am amazed at how dirty the front filter gets after just a day in the shop. Glad that dust is going in the filter and not in my lungs..

Thanks for looking


8 comments so far

View Helkat's profile


74 posts in 2810 days

#1 posted 03-27-2012 12:44 PM

That’s a nice design. Good work!

I wanted to make one of these some time ago, but I always got stuck when it came to getting a blower that didn’t cost me an arm and a leg. Had the plumber here the other day and missed my chance to ask him! Doh!

-- Nat, UPstate NY,

View MShort's profile


1797 posts in 3933 days

#2 posted 03-27-2012 12:45 PM

Looks great.

-- Mike, Missouri --- “A positive life can not happen with a negative mind.” ---

View 6t5Goat's profile


71 posts in 3526 days

#3 posted 03-27-2012 01:04 PM

For a source for a blower.. Call up local HVAC installers, they pull these things out of houses everyday..

Tell them you’ll pay $$ for a good blower.. They’ll probally deliver that evening.. As long as you give more than they get for scrap.. they’ll be happy..

View Martyroc's profile


2712 posts in 2820 days

#4 posted 03-27-2012 01:04 PM

That looks great, I am working on one myself.nice job

-- Martin ....always count the number of fingers you have before, and after using the saw.

View longgone's profile


5688 posts in 3823 days

#5 posted 03-27-2012 02:09 PM

I built 3 of these to use for my sculpting/sanding room and they are invaluable. I would suggest buying washable and re-usable electrostatic filters if you use your system more than rarely. I started out with disposable filters and had to replace them every day…six filters daily can get expensive…

View 6t5Goat's profile


71 posts in 3526 days

#6 posted 03-27-2012 02:53 PM

I rotate the filters.. New filter goes on the outtake side, then old outtake filter on the intake side..

View Kevin's profile


562 posts in 2813 days

#7 posted 03-27-2012 10:48 PM

Great design for changing filters. I’m gonna be building one of these sometime and you gave me some good ideas.

-- Measure twice, cut once, then sand a whole bunch

View 6t5Goat's profile


71 posts in 3526 days

#8 posted 03-28-2012 12:22 AM

Kevin.. Glad I can help.. Post yours up when you get done..

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