Shop ceiling filter

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Project by Hallmark posted 11-04-2011 12:03 AM 2453 views 19 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 1476 days

#1 posted 11-04-2011 12:24 AM

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 2344 days

#2 posted 11-04-2011 12:33 AM

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

-- Don, Royersford, PA

View MedicKen's profile


1603 posts in 2250 days

#3 posted 11-04-2011 12:36 AM

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


1310 posts in 1476 days

#4 posted 11-04-2011 12:55 AM

Nice fix to a problem we all have, Congratulations

-- Kelly, woodworker under construction

View Hallmark's profile


432 posts in 1895 days

#5 posted 11-04-2011 02:25 AM

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


1845 posts in 1216 days

#6 posted 11-04-2011 07:00 AM

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

-- Love thy neighbour as thyself

View Ken90712's profile


15344 posts in 1977 days

#7 posted 11-04-2011 09:55 AM

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 1713 days

#8 posted 11-04-2011 02:50 PM

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 (online now)


2974 posts in 1874 days

#9 posted 11-04-2011 03:03 PM

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 76 yr young apprentice carpenter

View WRAAdesign's profile


46 posts in 1187 days

#10 posted 11-04-2011 10:18 PM

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


7593 posts in 1753 days

#11 posted 11-05-2011 02:33 AM

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 1895 days

#12 posted 11-05-2011 03:00 AM

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


959 posts in 2060 days

#13 posted 11-05-2011 03:14 AM

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

Thanks for sharing

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

View USCJeff's profile


1046 posts in 2856 days

#14 posted 11-23-2011 06:57 AM

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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