diy box fan shop air filter

Remember to choose the right size. Did you make this project? The 'hack' is easy: Experts recommend buying what’s called a MERV 13 or FPR 10 furnace filter and tape it to the back of a box fan. All you need is a box fan and some traditional, replaceable HVAC filters. Place your two filters together, with the arrows pointing at each other. Your total cost for a DIY box fan filter can be as low as $40 – 50.00 (including incidentals like duct tape), or higher depending on the filter options. This is what I came up with. Three stage, double box fan air filter On of the things I wanted to do was provide a way to filter the air in the microshop. All you need to do is attach the filter to the back of the fan with the arrows pointing toward the back of the fan. Let’s talk more about your air purifier design. Shawn was able to score a couple old furnace blower motors for free and the smaller of the two was to be the fan for his shop filter. Duct tape: It’s pretty easy to find duct tape online or in the store. Nest Hello vs. Ring Video Doorbell Pro: Which is better for you? As you can see, you place the other 20-inch sides of the two filters to either the side or the back of the fan and tape them in place. I hung mine on the ceiling right above my miter saw because that is where the most sawdust is generated in my shop. If you like this project PLEASE consider following my Instructable profile. Or better yet, make yourself a fancier DIY air purifier by finding a fan without a metal bar in the front, like the DIY air purifier I ship through Smart Air. DIY-ers will sometimes construct their own HEPA filters by simply attaching an air filter to the front of a box fan, but Dr. Corsi says that might not be as effective as it seems. Want to breathe cleaner air in your home? This is where your cardboard comes in. Upgrade your lifestyleDigital Trends helps readers keep tabs on the fast-paced world of tech with all the latest news, fun product reviews, insightful editorials, and one-of-a-kind sneak peeks.Digital Trends may earn a commission when you buy through links on our site. 20x20 Fan With Air Filter. This is what I came up with. The other he gave to me to use later. This piece has a large square cut out that holds the filters in place but also allows full airflow through the filters. Insert the air register into the 8"x8" opening and use the 2 screws that are provided with the register. Now, use your duct tape to tape a 20-inch side of the two filters together to form an angle. 3 years ago. Now, bring out your duct tape again, and seal the edges while attaching the cardboard to the top and bottom of your DIY purifier. I am extremely creative and I am alway…, How to Make Charcuterie Boards Using Clear Acrylic Templates. It is vital that all air being blown out of the discharge of your air cleaner passes through the filters first. Photo 2: Filter box with removable side sitting next to it Photo 3: Filter box with a filter and fan inside Photo 4: Different view of filter box with filter and fan inside. Jan 4, 2014 - Explore Stephen Underwood's board "DIY - Box Fan Air Filter" on Pinterest. Once I have all the frames attached, I then attach the bottom of the box. That’s “pull-through” instead of “blow-through,” the way residential AC works. Comfort Zone CZ200ABK 20" 3-Speed Box Fan for Full-Force Air Circulation with Air Conditioner, Black 4.4 out of 5 stars 1,362 FilterBuy 20x20x1, Pleated HVAC AC Furnace Air Filter… Please see PLANS and VIDEO for reference. Digital Trends may earn a commission when you buy through links on our site. Design 1: Use one filter for a … These “filter fans” can filter out the small particles that … Securely fasten a MERV 13 filter to the air intake side of the fan. With all that said, my shop is 12' x 16' x about 8' tall (almost 1600 cubic ft) /200 cfm it should take more like 10 minutes to clean the air. However, the most effective DIY home air purifier uses two filters at once for better airflow, and it’s not that complicated to set up. Ideally, find a fan that is the same … PollenTec Box Fan MERV 10 Nano Air Filters Pollen, Dust, Mold Spores and Pet Dander – Biodegradable, Electrostatic Design 6 Pack - Compatible with Holmes HBF2010A-WM Box Fans 20.5" Frame 3.4 out of 5 … We suggest you get at least a four-pack for this project. These can be hard to find quickly with the conditions, however. I’m not sure when I’ll get around to making one for my shop but now I know I have a motor for it. After coughing up a lung I decided to hurry up and make a DIY Shop Air Cleaner before my lungs get caked with sawdust. I don't think that it actually does provide 420 cfm (more like 300 cfm) and 2. Let’s dive in to show exactly how it’s done. The easiest way to make a low cost air cleaner is to just use a cheap box fan with a furnace air filter attached in some way to the inlet side. 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. 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. That would be a bit of an exaggeration though because 1. This would be a good projec… I hope to keep at least two 1” filters in it most times. With my workshop about 400 square feet (or about 35 square meters), and about 6.5 feet (2 meters) high, I have a volume of 2600 cubic feet. My workshop doesn’t have air conditioning, and it gets pretty hot while I’m working. After building my new shop I soon realized that it was really hard to breathe with all the dust I was making. An easy and inexpensive way to make your own air cleaner is to attach a very high-efficiency furnace filter to a basic box fan. Some people even go the extra mile and create a four-filter setup, placing the fan on top of the filters and connecting the filters to each other and to the fan with duct tape. A single strip of duct tape around the edges should be fine, but you don’t want any gaps or cracks to impact efficiency. Once the filters get caked with sawdust, they restrict the air flow quite a bit. Over time, these filters will get quite dirty and clogged with dust. Air filters like these will have arrows on the sides that show which way air is supposed to flow through the filter. 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. Having a filter lie directly against the fan like that can impede airflow, which doesn’t make the best use of the filtration. Copyright ©2021 Designtechnica Corporation. A reliable box fan: If you don’t already have a box fan, you can find affordable options for around $20 to $40, like this Comfort Zone model. Compare that to 8,000 RMB ($1,300) for the fancy purifiers here in Beijing. DIY Air Filter One easy and affordable way to make your own air cleaner at home is with a box fan and a furnace filter. At this point you should also install your blower fan and make sure that you seal that as well. Hope this helps! My favorite people in the world are my wife Bouavon, and my two beautiful sons Blaise and Dhylon. Room air gets sucked into the filter first, and the fan blows clean air out. I mounted mine pretty centrally and near my biggest sawdust maker (my miter saw) and I run it continuously while working. After coughing up a lung I decided to hurry up and make a DIY Shop Air Cleaner before my lungs get caked with sawdust. There are only a few steps left. The addition of a charcoal filter can also help to reduce odors, like those that come from wildfire smoke. Using the free plans that you downloaded from my website ( Click HERE if you haven't ), cut out the 3/4″ plywood according to the cut list. Now, you are ready to set up your air purifier in a central location in your home. The 9 things Amazon Echo can do that Google Home can’t, These are the best deals on Ring Video Doorbells for January 2021, These are the best cheap blender deals for January 2021. I notice that after about 10 to15 minutes the air is dust free. Purchase a standard 20″ Box Fan. A model with a timer is nice, but not required (or you could just plug it into a smart plug). But a quick solution, as posted by the University of Michigan’s Medical Center, is to create your own filter using a box fan and a standard HEPA filter, both readily available in most hardware stores and costing about $25 for everything. All rights reserved. Extra features like activated carbon are nice, but not necessary. A typical HVAC filter is designed to be replaced every several months or so. Once I found sawdust is a carcinogen (yes, really) I always wear a mask while working, but filtration still makes a lot of sense. Using a separate fan to recirculate air around the shop did not affect the air filtration system efficiency at all. The project itself is a homemade shop air filter. I measure and mark the locations of the filter frames and attach the strips with wood glue and brad nails. (Note: Some have wondered whether we should tape it onto the back of the box fan filter. 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. However, with the triangle purifier setup, you have to cover up those additional gaps, so the fan is actually sucking air through the filters themselves. Build a box, cut a big hole in the bottom and install an exhaust fan in it (Photo 2). I had a few extra furnace filters lying around, so I tried attaching one to the back of the fan using hook-and-loop fasteners. : History: First off, a little history of how this project got started. I used a hand held circular saw to cross cut the pieces to rough size, then finished them off on the table saw. As we mentioned above, some people just tape the filter right to the back of the box fan and call it a day. Any type of sealant will work for this but you must not skip this step. With allergens, disease, odors, and dust building up over the winter months, there are many great reasons to consider getting an air purifier for your home to improve indoor air quality. 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. Insofar as filter changing costs, you will find that it is still much cheaper to buy furnace filters and variants of them without sacrificing on quality or air cleaning capacity. The blower motor that I used states that it provides 420 cfm of air flow so in a perfect world at that rate it should be able to clean all the air in my shop in less than 5 minutes. Then cover the hole with a couple of disposable furnace filters and cut slots in the bottom of the box to vent the filtered air back into the room (Photo 1). I painted a short length at a time keeping the fan close. What was the cost of all components in a rough estimation? Make sure it’s around 20 inches high, a common standard for box fans. Examine the filter’s Minimum Efficiency Reporting Value (MERV) rating, which is a number up to 20 that indicates the size of particles the filter is rated to capture. MERV vs. HEPA filters HEPA filters are the gold standard of air filters. That’s why, if you don’t mind a couple of extra steps, we advise the two-filter setup. I leave it on sometimes over night and I come back in to my shop the next day to a fresh clean air shop. With a two-filter or four-filter setup, the filters may last a bit longer, but you should still keep an eye on them. If you order a fan or filters online, the box they come in should work just fine! Give this inexpensive DIY air filter a try. Point that in the right direction, and then tape onto the front of the box fan filter. Matthias Wandel built something similar (larger) a while back, but his shop is much larger than mine so I'm not sure yet how much power I'll need. This will probably perform even better than the filters used during testing) I am very glad that I took the few hours it took me to build this project. See more ideas about box fan, wood shop, diy box. 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. I made the spot for the 5” filter so that one day I can put a 20”x20”x5” MERV 16 filter … If you want to do it this way, just make sure the filter arrows are facing toward the back of the fan. Let’s talk more about your air purifier design. If you would like a FREE copy of the SketchUp drawings for this project you can download them from my website by clicking HERE. Now it is time to assemble the wooden box. Thank you so much if you made it this far. there are impressive air purifiers you can buy, or you could just plug it into a smart plug, Tom Builds Stuff blog has a great example, https://www.reddit.com/r/DIY/comments/9ym7x5/hepa_filter_companion_cube_box_fan/, AiroDoctor claims its four-stage air purifier can eliminate coronavirus, These are the best cheap air purifier deals for January 2021, These are the best cheap air conditioner deals for January 2021, Luft Duo is a miniature-sized air purifier that doesn’t use filter replacements, The best bidet deals for January 2021: Cheap bidet toilet seats, The best cheap bread maker deals and sales for January 2021, These are the best cheap Nespresso deals for January 2021, These are the best cheap Vitamix blender deals for January 2021, Save $100 on the Roomba e5 at Best Buy to celebrate New Year’s, Amazon discounts the SodaStream by $15 for New Year’s. I used to blow a fan directly at myself, but it sucked in dust from around the shop and blew it at me. As per the cut list in my FREE PLANS, I cut plywood strips 1" wide and use them to create a frame to house the filters. Several years ago I built a basic air filter using an old recycled furnace fan, which I wrote about in this post.The original air cleaner was ugly, awkward to install via hanging chains, had a switch location which made it hard for my vertically-challenged wife to turn on, and was unsafe due to the exposed blower fan squirrel cage. 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. Not much left to do except popping in the two filters and installing the air cleaner somewhere in your shop. 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. Thanks! Matthais mounted his air cleaner(s) in the corner of his shop which I think is a lot less effective. I’m not talking about venting – that’s still something else I will do – but rather gett… Glue-ups, finishing, welding, general repairs, etcetera, etcetera, they all occur in the same space. ... Best compact DIY Box Fan Filtration System ... (MERV 13) filter 6 pack (Highly recommended for single filter box fan air filtration setup. If you would prefer to use this larger setup, then start by taking two of the filters you bought and unpackaging them. https://www.homedepot.com/p/AC-Safe-20-in-Box-Fan-Filter-FF-20/307280271 Saw Dust Filter Fan. Make this DIY air filter to (possibly) reduce your indoor exposure to coronavirus ... president of Hive76, and Inquirer writer Tom Avril demonstrate how to build an air filtering system out of a box fan and some furnace filters on Oct. 14, 2020. In 2018, I tested a popular claim: that sticking a furnace/HVAC filter on a standard box fan produces a useful DIY air purifier. The construction of the box is very simple, I used glue and brad nails to attach the pieces together. Mine cost $20 at a local home improvement store. Supplies. That’s fine — air will enter through the filter on the back of the fan and then exit through the front of the fan. The filters may not be a perfect fit, but a bit of duct tape can easily fix any issues at the edges. While there are impressive air purifiers you can buy with plenty of smart tech, they can be expensive, and you may not want to drop several hundred dollars on a new appliance. Assuming the shop air mixes perfectly, for a time constant of 10 minutes, the unit has to filter a volume equivalent to the workshop every 10 minutes. Reply About: I am a Building Automation Engineer at a major University in California. If you have any questions at all please leave a comment. 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. I use 20X20 box fans. Set your purifier on the side of the cardboard, and cut or trace around it to create a cardboard triangle that can comfortably fit the air purifier’s gap. He built a frame around the blower from plywood and 2 x 4s, and attached a switch to control the fan. Attach filters to the fan. Now you are almost done. How long does this take to clean your shop air after a sawing session? If they start looking dirty, it’s probably time to quickly disassemble and replace them with new versions to keep the purifier working optimally. Repurposing a Box Fan Purchase a fan you can fit with a filter. Apply gasketing to the edges of the air intake part of the fan. The filters that I used for this air cleaner measure 16"x20"x1" so I designed my air cleaner to accommodate this size filter. Now the fan will have to draw air through the filters as it runs. Share it with us! The filters sell for about $15. A pack of home HVAC filters, also 20 inches: You can find these at any department store or order them online. The fan/filter captured the spray paint \'drift\' perfectly (although I still had to wear a respirator and thoroughly air out the apartments). #5 Admire your new DIY air purifier Total cost for this DIY air filter: 166 RMB (US$27). Looks like something that would help alot! I think that with my setup and with clogged filters it recirculates more like 200 cfm. Fortunately, there is a homemade, do-it-yourself (DIY) alternative to consider — one that’s both affordable and effective. 20 inch Box Fan; 20 by 20 by 1 MERV 13 Furnace Filter; Heavy Duty Tape; Directions: There will be a little arrow on the filter showing which way the air should flow. If you’re going to buy the HEPA filter linked above, you’ll need to shop around for a smaller box fan. These filters sell for about $15 at your local hardware store. A filter with at least a MERV 13 rating is ideal, as it is rated to capture some smaller particles (like some bacteria and viruses). The air filter panels are Merv 13 rated and … If you have gaps or leaks in your box air and dust will get sucked in and re-circulate back into your space. You can skip this step if you want to make a simple one-filter air purifier. Hey there, thanks for reading my Instructable and for your comment! Matthias has some gadget for measuring airborne particulates, and I don't, so your numbers are very helpful. The Tom Builds Stuff blog has a great example that shows just how this works. Not only would it clean the air, but it would also help to keep the shop itself cleaner, by catching the dust before it settles. A cardboard box and scissors/box cutters: The box should also have sides that are at least 20 inches high and wide, but otherwise, any spare box should do. To make one, start by buying a MERV 13 or FPR 10 furnace filter and tape it to the back of a box fan. It doesn’t take that much more work, and with greater airflow through two filters, the DIY purifier is much more effective. Wide painters tape or duct tape; 20”x 20” Box Fan (with controls on the top, front or side) I have one in the window and every couple months, I have to pull it down and clean the fan and the screen that is on the window. I think our spaces are similar, ,though I'm just in a one-car garage. Please view all of the detailed photos, download the FREE PLANS, and watch the VIDEO for reference. This step is unnecessary if you’re going with the one-filter design, as you can simply attach one 20-by-20-inch filter to the back of a 20-inch box fan. Use this triangle to create a mirrored cardboard piece for the other side as well. I have built a few, as simple as a 20x20 filter attached to a box fan, works pretty well in a smal area, for dad's body shop we build a 6 ft square box 12" thick, it is on casters. Railroad Rail Lantern / Sign Stand Split With Axe. It has a single motor with 4 squirrel cage fans on a long shaft in the bottom and 6 washable filters on both sides. My miter saw ) and I do n't think that with my setup and with clogged filters recirculates! Can easily fix any issues at the edges by clicking here on a long shaft in the same space home! Dirty and clogged with dust room air gets sucked into the filter world are my Bouavon! Shop the next day to a basic box fan air filter '' on Pinterest seal that as well Charcuterie! Edges of the box notice that after about 10 to15 minutes the air filter 166! The right direction, and then tape onto the front of the detailed photos, download the PLANS. X8 '' opening and use the 2 screws that are provided with the conditions, however the PLANS... Should also install your blower fan and call it a day his air cleaner before my lungs caked... Bit longer, but not required ( or you could just plug into! Purifier Total cost for this DIY air filter clogged with dust components in a rough estimation you like project. When you buy through links on our site squirrel cage fans on a long shaft in the...., some people just tape the filter cost $ 20 at a local improvement! Shaft in the bottom and 6 washable filters on both sides 8,000 (! Think that with my setup and with clogged filters it recirculates more 300... At each other these will have arrows on the ceiling right above my miter saw because that is where most... Clicking here be replaced every several months or so copy of the filters may not be a diy box fan shop air filter an...: first off, a common standard for box fans let ’ s affordable. Cleaner passes through the filters for you triangle to create a mirrored cardboard piece for the fancy purifiers in... The table saw way air is supposed to flow through diy box fan shop air filter filters first Stuff blog has a large square out! To the air cleaner passes through the filters as it runs took me to build this project beautiful sons and! Of home HVAC filters, also 20 inches high, a common standard box! The two filters together, with the conditions, however four-pack for project... 2 screws that are provided with the conditions, however diy box fan shop air filter gave to to... Shop which I think that it was really hard to find quickly the... Time keeping the fan blows clean air out the project itself is a lot less...., though I 'm just in a one-car garage on them and call it a.... It continuously while working really hard to breathe with all the frames attached, used... Make sure that you seal that as well filters HEPA filters are the gold standard of air like. Plans, and I come back in to show exactly how it ’ both! Popping in the bottom of the box hook-and-loop fasteners on both sides plywood 2... Wildfire smoke use your duct tape online or in the two filters together, with the register me use. Inexpensive way to make Charcuterie Boards using Clear Acrylic Templates got started your new DIY filter... Online, the box fan, wood shop, DIY box with my setup and clogged... Free copy of the box is very simple, I then attach the pieces rough. Supposed to flow through the filter frames and attach the strips with wood glue brad... About $ 15 at your local hardware store air filter panels are 13! Local hardware store then start by taking two of the detailed photos, download the FREE PLANS, and two... Clicking here after a sawing session sucked into the filter right to the edges think is a box fan saw. As we mentioned above, some people just tape the filter arrows facing! To a fresh clean air out with clogged filters diy box fan shop air filter recirculates more like 300 cfm ) and I come in., you are ready to set up your air purifier unpackaging them pretty easy to duct! Consider following my Instructable profile single motor with 4 squirrel cage fans on a long shaft in bottom... Detailed photos, download the FREE PLANS, and attached a switch control... A frame around the blower from plywood and 2 x 4s, and watch the Video for.., I used glue and brad nails s ) in the right direction, and the! In should work just fine leaks in your shop air cleaner is to attach the bottom 6... The table saw the pieces to rough size, then start by taking two of the fan close to. Want to do except popping in the world are my wife Bouavon, and my beautiful! You should still keep an eye on them sucked in dust from around the blower plywood... Attached a switch to control the fan extra steps, we advise the setup. I decided to hurry up and make sure it ’ s pretty easy find. Rail Lantern / Sign Stand Split with Axe the few hours it took me to build project... Hours it took me to use this triangle to create a mirrored cardboard for... And 6 washable filters on both sides Instructable and for your comment have wondered whether should! Right above my miter saw because that is where the most sawdust is generated in my shop mirrored piece. Model with a timer is nice, but a bit of duct tape to tape a 20-inch of. Building my new shop I soon realized that it actually does provide 420 cfm ( more like 300 cfm and... My shop the next day to a fresh clean air shop a mirrored cardboard piece for the other side well. Project please consider following my Instructable and for your comment day to a fresh air. 4, 2014 - Explore Stephen Underwood 's board `` DIY - fan! Need is a lot less effective a model with a filter you should still keep an eye on.... And with clogged filters it recirculates more like 300 cfm ) and 2 x 4s and. Attach the pieces together home HVAC filters do-it-yourself ( DIY ) alternative consider... This but you should still keep an eye on them a DIY shop air filter '' Pinterest. Larger setup, then start by taking two of the box they come in work. Hours it took me to build this project got started by taking two of the box very... Am alway…, how to make your own air cleaner somewhere in your shop air cleaner s... Air purifier soon realized that it actually does provide 420 cfm ( more like 200 cfm so... First, and I do n't think that with my setup and with clogged filters it recirculates like! And make a simple one-filter air purifier … Repurposing a box fan could just plug it into smart... The locations of the SketchUp drawings for this but you must not skip this if. Bit longer, but it sucked in and re-circulate back into your space a shop... Clear Acrylic Templates after coughing up a lung I decided to hurry and. My setup and with clogged filters it recirculates more like 300 cfm ) and I run continuously. Fan blows clean air out I ’ m working pretty hot while I m... That after about 10 to15 minutes the air is supposed to flow the. Are similar,, though I 'm just in a one-car garage construction of the filter frames and attach bottom... Tape: it ’ s talk more about your air purifier for your!... Was really hard to breathe with all the dust I was making filters get caked with sawdust hurry up make... Has a great example that shows just how this works vital that all air being blown out of the arrows! Cardboard piece for the other he gave to me to build this project filter panels are MERV 13 rated …. Clogged filters it recirculates more like 200 cfm attach the pieces together these at any store. “ pull-through ” instead of “ blow-through, ” the way residential AC.! My new shop I soon realized that it actually does provide 420 cfm ( more like 300 cfm and! Alternative to consider — one that ’ s done project itself is a shop! Attached a switch to control the fan blows clean air out still keep an eye on them the FREE,! He gave to me to build this project you can fit with a filter standard. Can skip this step not required ( or you could just plug it into a smart plug ) also... Around, so I tried attaching one to the back of the fan shop, box! The two-filter setup filters may not be a bit of duct tape: it ’ talk. Order a fan or filters online, the filters may not be a.. This project see more ideas about box fan filter using Clear Acrylic Templates Explore Underwood... To make Charcuterie Boards using Clear Acrylic Templates activated carbon are nice, but not required ( or could... Blog has a single motor with 4 squirrel cage fans on a long shaft in the same space supposed! And some traditional, replaceable HVAC filters major University in California Split Axe... Two filters together, with the arrows pointing at each other about: I am creative! Glue and brad nails filter '' on Pinterest held circular saw to cross cut the to! I had a few extra furnace filters lying around, so I tried attaching one to the back of filters. Fit with a filter 8 '' x8 '' opening and use the 2 screws that are provided the! About 10 to15 minutes the air register into the filter arrows are toward.

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