Shop ceiling filter

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Project by Hallmark posted 999 days ago 2332 views 18 times favorited 14 comments Add to Favorites Watch

I started out getting a used furnace fan but kept putting off using it because of it’s size hanging from the ceiling in my small shop. This filter made from 1/2 inch MDF uses a fan from an old stove top unit that seems to do an adequate job. H 9 W 21 D 28 1/2 12 D on the bottom. It would be easy to take 3 or 4 inches off the D if wanted. Still have the furnace fan and will make a floor unit when I get a couple other projects done to make room for it.

-- Style is simple, but not my execution of it.

14 comments so far

View Dlow's profile


70 posts in 1291 days

#1 posted 999 days ago

She’s a beaut Clark! I might have to copy your design. I just acquired a few motors and fans for this purpose.

View doncutlip's profile


2832 posts in 2159 days

#2 posted 999 days ago

Great way to save money, the commercial units are over $300!

-- Don, Royersford, PA

View MedicKen's profile


1599 posts in 2065 days

#3 posted 999 days ago

How big is the shop and how many CFM does the fan provide?

-- My job is to give my kids things to discuss with their

View MasterSergeant's profile


1279 posts in 1291 days

#4 posted 999 days ago

Nice fix to a problem we all have, Congratulations

-- Kelly, woodworker under construction

View Hallmark's profile


432 posts in 1709 days

#5 posted 999 days ago

MedicKen, my shop is 16×25 and I don’t know the CFM.

-- Style is simple, but not my execution of it.

View exelectrician's profile


1485 posts in 1030 days

#6 posted 999 days ago

Very creative way to get rid of dust on a reasonable budget.

-- Love thy neighbour as thyself

View Ken90712's profile


14830 posts in 1792 days

#7 posted 999 days ago

Nice sleek design. I have a furnance fan awaiting to be made into a filter. I like the angles of this I might have to use this idea thx!

-- Ken, "Everyday above ground is a good day!"

View cdbridge39's profile


154 posts in 1528 days

#8 posted 999 days ago

Nice shop filter, awesome design !!!

-- If it ain't broke don't fix it, if you fix it make it better than it has to be.

View Bluepine38's profile


2876 posts in 1688 days

#9 posted 999 days ago

Great idea, the installation of the filter at an angle give you a lot bigger filter, without subtracting from the
overhead space, will have to keep this one in my file. Thank you for sharing.

-- As ever, Gus-the 75 yr young apprentice carpenter

View WRAAdesign's profile


46 posts in 1001 days

#10 posted 998 days ago

Thanks for sharing. At first I thought that you exhausted thought the roof, but was happy to see that your design does not require any roof penetrations. Do you find that this unit is sufficient on its own, or do you still supplement dust control with a vacuum system?


View JL7's profile


7030 posts in 1568 days

#11 posted 998 days ago

Very cool – nice design…........


-- Jeff - I have not failed. I've just found 10,002 ways that won't work.

View Hallmark's profile


432 posts in 1709 days

#12 posted 998 days ago

WRAAdesign, I do have a Jet w/cyclone that I use with my planner/joiner. I tend to not hook it up with other equipment because of the hassle, so I added this filter to help with what seems to be an endless amount of dust I make.

-- Style is simple, but not my execution of it.

View SgtSnafu's profile


957 posts in 1875 days

#13 posted 998 days ago

Great job – I really like the angled filters…. Well done.

Thanks for sharing

-- Scotty - aka... SgtSnafu - Randleman NC

View USCJeff's profile


1044 posts in 2671 days

#14 posted 980 days ago

I’ve had my eye open for a furnace or blower to do just this type of project. I’m hoping to happen across a snail blower or what not and get it cheap. No luck so far. The commercial ones are not cheap. Good, but not cheap.

-- Jeff, South Carolina

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