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Trying to build an outdoor Shed for the summer bitcoin mining here in in HOT and HUMID Houston.  Need advice and would love to see how other people are handling the heat and humidity running these equipment in an outdoor shed without AC and just force AIR.  I have a space for a 10L x 10W x 7H Shed and would like to run about 5-7 Antminer S7 or Avalons.  at up to 8KW+ of wattage, the normal formula calculate for AC is WATT x 3.14BTU for cooling and I think 24K BTU is just way too expensive to run for such a small setup for FAN Exhaust and FAN to blow the hot air out is what I'm been recommended.  Would love to hear success stories and learn from everyone's experience of whether this is a good or bad idea.

Wow, interesting idea! I'm personally running my little setup in my garage currently just an s1, and some fury's and gridseeds.... however I had a few GPU's running out here back in the day aswell. All I've ever used for cooling is 2 box fans and all seems well. However I do also underclock everything through the summer.

I'm running it out of my garage right now to take advantage of the Winter free cooling but I need a longer term solution and I'm sure this is the right place for that.  Hoping to see some people's outdoor setup to get some ideas.

I'm surprised I thought more would share out there.  You will for sure need a way to extract heat.  If you have vent's in room it will help as heat's rise and some go out.  

Mine is quite long and large on miner area and has possibility of using up to 100 amp.   I use a gable fan like attics but it was expensive for commercial grade, as home grade was not enough for my miners.

I would think there is a cheaper fan out there then gable fan's.  But the install seems some are more involved then others.  Also a way to keep rain out is important it can be done with gable vent's. http://www.homedepot.com/b/Heating-Venting-Cooling-Ventilation-Roofing-Attic-Ventilation-Gable-Louvered-Vents/N-5yc1vZc667

And fan's are a whole different story.  I'm hoping again your's with shed can be done much cheaper then mine added up to.  If it is expensive lowes almost always has decent coupons on ebay.  But with it being summer it's harder and harder to get fan's, for most places it's seasonal on brick and mortar stores.

I am in Houston. I run miners in sheds for some of my mines.  I run a couple hundred KW of miners. All using fans for cooling no AC

Yes, don't use AC. There is no problem doing this imo, just gotta keep in mind that your air intake, during storm could blow in water. Mine is protected by being at ground level and covered by a balcony, so water does not get in, unless there's so much wind that it can uplift water.

There is probably bunch of ways to go about this but the easiest would be to have a mostly airtight shed with a high performance fan at the outake, with some holes open at the intake that does not allow water in.

This is usually done by simply picking air from bellow something. Either you put an outdoor shield or you take air in from holes under the shed.

@MCHouston - Can you share some pictures of your setup?
@Virosa - I'm thinking of something like this shed that is 10L x 10W x 7H.  IT have 2 Air inlet.  Picture show at site below.
http://www.megastoragesheds.com/sheds/gables/


Then I will use something like this Gable Fan for Exhaust.  Just don't know how many CFM of a FAN I need.    I would put a small little 45 degree room to cover over the exhaust fan to keep rain out

http://www.amazon.com/Professional-Grade-Products-Hydroponic-Ventilation/dp/B00PHLPTVC/ref=pd_sbs_328_8?ie=UTF8&dpID=41sRVJzd-8L&dpSrc=sims&preST=_AC_UL160_SR120%2C160_&refRID=160BPQZJTX867GP5WSRE

Plus 1 Air Circulator Fan to push the Air away from the Miners to the Exhaust FAN like below.

http://www.amazon.com/gp/product/B0073CQ9BW?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00

Again everything is still on the planning stage and I'm not set of any layout or equipment yet.  I am open to suggestions and recommendations from you all that have experience with this and how I can handle storms, humidity, etc.

Just the first fan would be enough to pull enough air out. As long as the hot air does not get trapped, it depend on how you setup your circulation. It would be a pretty expensive setup but it would be pretty cool.

So you think those 2 fans should be sufficient for this 100 SF Shed?  I wanted the circulatory fan to help cool the Miners a bit too.  They're both low wattage enough where it is still practical to use.  Now I just need to figure out the best way to design the Exhaust FAN area outside to avoid rain or moisture coming in on strong rainy days. 

P.S Would love to see other people's setup, lesson learns and what to avoid.

Well i can tell you why i was suggesting it that way. I can describe you my setup;

I have my miners blowing the hot air directly into a box fan that is pushing the air out a window, this way waters can't get in anyways.

If you do it this way you really wont need 2 fans. You should be coalescing your miner's exhaust to that output. It will make it so the first fan you pick to be completely overkill anyways.

Sounds like a smart idea.  Would the Miners also benefit from another fan to help them push that hot toward the exhaust as the 120MM Fans can only push the hot air so far or would the exhaust fan pull enough air where it wouldn't matter and would already provide this extra circulation?  Do you have a picture of your setup by any chance?

Excellent idea.

I've been thinking about heating my motorhome with S3's or something.. Plenty of 12V there..

Not that would properly show this. But anyways, i have a Boxfan jammed IN the window, and the miners are almost against it, just a few CM away. The air pressure of the miners are actually very high, i can feel the air of the whole setup at 5m away (because right now its inverted for a reason not relevant to this). (This will produce noise because the exhaust of the miners will hit the fan)

So anyways, if you point the exhaust of your mine toward the exhaust fan, you will have no problem, the fan you linked move plenty of air, you would not need a second one, unless you're blowing your S7's hot air all over the place, and even then it probably has enough CFM to cycle all the air you will need for 8KW.

I would say one fan [If it's a good one] should be fine.  It's not like my situation inside my house where the one fan I was using was sucking out all of my AC (summer) or all of my HEAT (winter) from my home.  It is 7,800 CFM when on high [It has 2 speeds].  Even when I had another window open downstairs, that was not enough to offset the static pressure built up from the 7,800 CFM fan on high.  I ended up having to get another one of these fans to install in the other window to offset the static pressure to keep the single fan from sucking all of the AC out of my house.

Seeing that no one would live in this shed except your rigs, the one fan would do just fine as long as it's sufficient for the amount of rigs you have or intend to have inside.

Right now, my fans are on low because I have less rigs than before [All S7's] and it's cooler outside [Winter].

This is the fan I have in two windows:  http://www.amazon.com/gp/product/B002R1XFP2?psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s02 (http://www.amazon.com/gp/product/B002R1XFP2?psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s02)

Here's a photo of one of them inside the closet.  However, all the HW you see inside was sold on eBay and has been replaced with S7's.  Don't mind the black paint on the wall.  I painted cast iron staircase spindles there.

https://i.imgur.com/YqAiCeY.jpg

A closer look:  Don't be fooled...  That is not zip ties supporting it.  They were initially used to hold it up briefly while I did what you will see next.

https://i.imgur.com/LUsj3Le.jpg

Even closer: I used a clamp that's normally used to fasten conduit to a wall or ceiling to hold this into the wood with screws.  Approximately 1 third (1/3) of the fan is sticking outside through the wood but still covered by the brick and window seal.

https://i.imgur.com/CbbAaed.jpg

Something like this can be made out of wood into this shape with wood shingles nailed as roofing:

https://i.imgur.com/5BR1Adw.png

Excellent TIP DMwardjr and thanks for sharing with us your wonderful setup.  I really like that Vent hood, that would save me from having them build a a small slanted roof over it.  How much CFM of an Exhaust FAN do you think I will need for a 100-120SF Shed?  Also that is a beautiful equipment rack.  Where can I purchase something like that?

It depends on how much gear as far as how many CFM fan...  I don't want to tell you more than what you need.

I bought my rack from Sams Club.  The next one's I buy would be this particular one:  

Home Depot is cheaper by $50:

http://www.homedepot.com/p/Gladiator-4-Shelf-73-in-H-x-77-in-W-x-24-in-D-Welded-Steel-Garage-Shelving-Unit-GARS774SZG/204280487;jsessionid=3FF93B1B350A0F16F64FA38CC22B4D8F (http://www.homedepot.com/p/Gladiator-4-Shelf-73-in-H-x-77-in-W-x-24-in-D-Welded-Steel-Garage-Shelving-Unit-GARS774SZG/204280487;jsessionid=3FF93B1B350A0F16F64FA38CC22B4D8F)

Sam's Club:

http://www.samsclub.com/sams/4-tier-rack-shelf-rack-shelving/prod16820534.ip?origin=item_page.rr3&campaign=rr&sn=ClickCP&campaign_data=prod3790537 (http://www.samsclub.com/sams/4-tier-rack-shelf-rack-shelving/prod16820534.ip?origin=item_page.rr3&campaign=rr&sn=ClickCP&campaign_data=prod3790537)

That vent hood is located here but they do not sell it here.  You need to look it up on Amazon probably:  The fan I have is made by the same manufacture as the vent hood.  However, I purchased my fan on Amazon.

http://www.tpidatapoint.com/ocat/f-tpicorpelectrical/103114-web/electricalcatalog_price/index.html#29/z (http://www.tpidatapoint.com/ocat/f-tpicorpelectrical/103114-web/electricalcatalog_price/index.html#29/z)

Yes I can post up some pics.  I will post pics of a 36KW mine. Should be close to what you are thinking.

That would be Awesome MCHouston especially since you have to deal with the same temperature as mine.  Also another question is whether the Garage is a good option to house about 3 Antminer S7, and 1 Avalon 6 which puts out the same amount of heat but is very quiet.   Any negative issues with installing vents and exhaust fans for Garage?  If I use quiet PSU, would 3 S7 still be too loud where you can hear them quite loud thru the garage door?

Found these Vents for the Garage.  Wonder if they're sufficient if I use 1 Vornado type fan to push the hot air out of 1 of the vent while the other vent draws in cooler air.  If this works then perhaps I may not need a shed but I'm not sure if they're big enough to reduce the heat from 5000 watts.

https://windeevent.com/

http://www.amazon.com/Vornado-293-Heavy-Duty-Shop-Circulator/dp/B0013LNKIY/ref=sr_1_7?s=home-garden&srs=2603405011&ie=UTF8&qid=1450417274&sr=1-7&keywords=vornado

I like it.  Sounds like a good option.  Try one first.  If you think you need another one to install, you can always do it later.

Thanks DMwardjr / David.  S7 is coming tomorrow, very excited.  However 240V power supply is not ready yet so I will have to try and use the EVGA G2 with my extra Dual PCI-E Cable ( I have a couple more than what the PSU shipped with) and see if that will do the trick.  The 2 x 2000Watt PSU arrived and is very compact.  The fans and break out boards are arriving tomorrow.  Really like how this is shaping up thanks to all your advice.

Bought FAN since it was ver 2300CFM to test how it can push the air across the garage.  It was good for only about 10 ft of flow so not strong or forceful enough. 

http://www.amazon.com/gp/product/B0073CQ9BW?psc=1&redirect=true&ref_=oh_aui_search_detailpage


So it will either be the Lasko MAX Pivotal FAN or the Vornado.
http://www.amazon.com/Lasko%C2%AE-Performance-Pivoting-Utility-U15701/dp/B00BT9C9F0/ref=sr_1_2?s=home-garden&ie=UTF8&qid=1450418493&sr=1-2&keywords=lasko+pivoting+fan

http://www.amazon.com/Vornado-293-Heavy-Duty-Shop-Circulator/dp/B0013LNKIY/ref=sr_1_16?s=home-garden&ie=UTF8&qid=1450418529&sr=1-16&keywords=vornado+fan

Got a few months to plan so plenty of time to test different solutions before the Houston weather get baking hot.

I prefer fans by TPI Corporation.  They do tend to cost a bit more than most but worth it in my opinion.  Some models they make are not very good but most of them are.  The TPI fans I purchased have ran strong now for over a year with no issues.

This is just a link for TPI fans at Amazon.  Their website is under maintenance (construction) at the moment.  http://www.amazon.com/s/ref=nb_sb_ss_c_0_7?url=search-alias%3Dtools&field-keywords=tpi+fan&sprefix=TPI+fan%2Cgarden%2C167 (http://www.amazon.com/s/ref=nb_sb_ss_c_0_7?url=search-alias%3Dtools&field-keywords=tpi+fan&sprefix=TPI+fan%2Cgarden%2C167)

Don't let me determine your decision or your budget on a fan.  It may be the one's you have in mind will do just fine.

I might have to look into the TPI, the thing I don't like about Lasko is that they don't publish the CFM level nor the Sound (SONE) level to make it easier to compare between their different product.  These TPI do and I'm quite impress with some of their numbers especially for the smaller size Fans.

TPI posts that on their website but it's presently under construction (maintenance).  Here is the link but you may have to navigate to it later after they complete whatever it is they are doing with their website.



Well it is back up.  Here is the site:  http://www.tpicorp.com (http://www.tpicorp.com)  Once you get their, click on "Ventilation and Lighting Catalog."

Surely there are more than just a few people that either mine in their Garage or Outdoor Shed.

Wow! Hope bitstamp rise on near to 1200 dollars/BTC.  8) Then even Mh/S is taking good profit on mining.

I,m sorry to say that, few cents per year at 450dollars is still going to be few cents per year at 1200 dollars. If someone has a miner doing Mh/s, they should probably sell it to collectors and earn many, many time more back than they ever will with the stick miner.

Hehe.  Just admiring DMwardjr's setup.  He's going to upgrade to 800AMP!!!   I'm getting my Power upgraded to add 2 x 220V line outlet on Monday so I can house up to at least 8 x S7 or equivalent boxes in my garage and see how that goes first.  Going to install the Windeevent also to help with the circulation.  Very cool stuff, will start with 2 Vent and see how that work before adding more as they are a bit costly at $150 for just 2 vents.  They have bug net and can open and close for winter / summer so it's quite nice and worth it even if I'm not mining in the garage.

https://windeevent.com/installation/


Next step is to get price quote to see how much it will cost for me to upgrade my home circuit panel from 125AMP to 300-400AMP so I can power the Garage with more S7s.

P.S Thanks VirosaGITS on the Tip for connecting the S7 to EVGA G2 1300 PSU.  Box is running like a Champ on 110V right now until the 220V circuit is ready.

Good luck with what you have going at the moment.

As for the power upgrade later:  Just be sure to time it properly.  You would hate to upgrade power and have no ability to add more rigs because of being trapped by the difficulty if BTC remained the same price.  Timing is everything...  I waited a little over a year before I was able to do what I'm doing now.  Patience is a virtue.  If you can find other investors to join in your venture, try to get them to come on board.  As for me, I'm going it alone.  I'm not hosting anyone's gear but my own.  I only have room for my own.

Hence your Signature Dmwardjr.  "The Few, The Proud, The BTC".  I was sadden to hear my Bro-n-law who was really interested in this idea but his Electric rate was way too high to participate.  He would definitely be a huge contributor as he's a super Genious in programming, electrical and all things GEEKY.  I saw your 15 box of S7 waiting for power, that definitely does hurt.  But then again to get to your level, lots of things have lined up properly before this delay so I'm not concern about you the "Professional".   I just really need more people with experience hosting it in a shed to Chime in to let me know it's possible and this idea is not a stupid one before I invest over $4000 in Electrical, Shed and other land clearance to make it happen.  Until then I'm experimenting in the garage. 

P.S Wife finally notice the S7 after I've had other similar boxes laying around the house for almost 3 weeks now.  She said what is that thing, it's so hot!  Is it safe to be here?  I said "hmmmmmmmmmm................we have a bunch of it's siblings (S3+) as space heaters all over the house and you didn't notice, so yeah, it's safe no worries"

No worries with those still in boxes.  I'm about to hook up 9 more of those 15 soon enough.  I held off from hooking up more because I figured out a way to have 6 x S7's within a space of approximately 36 inches wide with a clearance of 11 inches overhead before the next shelf above it.  I went to Lowe's to get what I needed to accomplish the job.  Now, I'm just waiting on more PCI-e cords to arrive Monday or Tuesday from Finksy.  So, I'm leaving them still in the boxes until the PCI-e cords arrive.  That will leave only 7 units sitting in my old mining closet until my power gets upgraded.  

I actually have 16 instead of 15.  One was unboxed and sitting upstairs.  I have 35 x S7's in all.  I haven't mentioned this in the forums yet:  I have one rig [The second box I opened] that came with one burnt PCI-e jack on each blade.  It was very disappointing to say the least to receive a rig that is supposedly not under warranty because it ARRIVED burnt.  I checked to see if it will still hash.  It will but it's sporadic.  That's the one that is upstairs.  I'm hoping to have no issues with an RMA on that one before my power gets upgraded hopefully 3 weeks from now.

I never have my power cord plugged in the wall while hooking up PCI-e cords to new rigs.  It is just a habit for me not to have power hooked up while setting up.  That's what kind of perturbs me with receiving this burnt rig.  An employee probably hooked up with hot cords OR put them in reversed then flipped the power on and burnt them.  Who knows...  I just can't understand how one would do this AND THEN still package the damn thing.  It just pisses me off!

I did not mention it to avoid putting a bad light on BITMAIN.  It's more the fault of an employee for bitmain instead of bitmain himself.

EDIT:  I just got an email saying they wanted to confirm my address.  So, I'm not sure if they are sending new blades to me first OR if they want me to send my blades to them.  I'll find out today more than likely.

Bitcoins to gold, dollars. -Extra money!  :-X

Bitcoin Rules... Gold and the US Dollar drools.

Latest update.

1) Added 2 x 30AMP L6-30R outlets.  Unfortunately the only slot to add another breaker, the legs to attach the breaker is either not there or broken off so the Electrician can't add anymore breaker to it.  This means the 2 outlet is sharing the same 30AMP breaker from my Dryer line that was converted to Gas.
2) Just added 1 S7 to my existing Avalon 6 and 4 S3 for a total of 10TH.  The S3 are spread out all over the house to use as space heaters.  =)
3) Installed 2 Windeevents to help circulate air to keep garage cool.  They can open and close and have a net to keep insects n rodents out.
4) Dell PDU arrived as well as the IBM 2K PSU that I'm combining using the breakout boards and the Ultra Kaze fans.  Going to upgrade the breakout boards to the new Finksy / J4bberwock boards once they are available as those combine the PSU better and have voltage controls.  These PSU with these fans are much quieter than the other Server PSU I've own.

These boxes are keeping my house warm even last night with the 49F temperature, it keep the Garage and house temperature from dropping below 70 degrees.  Extra bonus for the Winter, but when Spring / Summer come, it will be new challenges.  Just change electric provider to be at 5.5cents a KW from my existing 9.4kw with free Saturday plan.


Pictures of all the work in the link below.
http://imgur.com/a/0zDDz

Helping with posting them here:

Pictures:

]

Nice Setup.  Any updates on how you planning to keep it cool for the summer?

Thanks.  I've been busy testing many FAN and EXHAUST Vent combinations in the garage while being busy chopping trees and building a Shed in the backyard to host some of these miners.  The Electricians are working on the trench from the Transformer to my Shed and Garage for a 200AMP upgrade.  The Shed will allow me to do more customizing and testing then my garage which have brick sidings which limits my mods. 

http://imgur.com/a/NJCXn

Quoting so people can see:

Have a few A6's and started planning for summer.

My garage has 2 vent ports to the outside on a side wall. I currently use the following fan in front of the lower port taped to the wall to pull in air: http://www.homedepot.com/p/Lasko-20-in-3-Speed-Box-Fan-3733/100405665

Will start experiments shortly using the following from Home Depot:

 http://www.homedepot.com/p/Master-Flow-12-in-x-6-in-to-6-in-90-Degree-Register-Box-90RB12X6X6/100113467?MERCH=RV-_-rv_nav_plp_rr-_-NA-_-100113467-_-N

The rectangular slot is 12" x 6". If not noted previously, A6's are just under 6" x 6". So 2 A6's can be put side by side in one register box.

I can use http://www.homedepot.com/p/Master-Flow-6-in-x-25-ft-Insulated-Flexible-Duct-R6-Silver-Jacket-F6IFD6X300/100396935?MERCH=REC-_-NavPLPHorizontal1_rr-_-NA-_-100396935-_-N

to move the hot air to the other vent.

Home Depot also sells several types of 6" duct fans if needed.

That should work. I utilized the register box and flexible duct in my set-up and works great. what is the cfm on the fan pulling the hot air out or do you have one? I found if I didn't have a fan sucking out, the fans from the miners blow enough hot air quickly but enough (especially in that register box) that the hot air lingers instead of follows the tubing quick enough which heated by miners past my normal ranges they usually run at.

Right now it's winter so it's much easier on cooling down then winter.  How many watt's of gear are you powering?

I used a heck of a lot of CFM's to move hot air through my hobby mine during the summer: https://bitcointalk.org/index.php?topic=1020826.0  The good news is I now have enough cooling gear to make it through summers without a problem now.

Would love to see this after you have it installed. 

Can you share a picture of your setup Rocky?  I'm planning on having up to 20-25 so it will be much more challenging.  Right now I'm seeing even with just 4 S7, I can bring my ambient temperature easily up to another 15-20 degrees from the ambient temp.  Planning on installing 2 more Windeevents as well as a strong Exhaust Fan in the Attic to pull the hot air from the Garage via the ceiling Vent.   The only challenge is my HOA ruling is very tough.  They already request I take down my shed as it's not following the code for height and space requirement.  My rear lot is small because I have a single story home but they use very generic standard rules for all home and require 8 ft from the rear fence and 10 feet from the residence which is 18 ft gone when my rear lot is only 16ft width total!

My challenge is that roof / attic fans are very large.  Anything that is stronger than 2400 CFM is like 36-48" or larger so it will stick out like a sore thumb on that roof.  I don't think 2400 CFM is sufficient to keep 15-20 S7 cool so I need to come up with better solutions.  I would guess I will need a minimum of 5000 CFM per talking to other experienced miners.  If my side wall for the garage is sidings, it would be much easier as I can just cut holes in them but they're bricks so I don't want to modify anything that I would regret later.  My HOA is also very tough, so it's not like I can just put any size fans I want as well.

Rack is quickly starting to fill up.  I'm still waiting for my power and Exhaust to be upgraded before I order another larger batch on top of the 4 x S7 that is already purchased.  This setup does not include a couple of S3 left in the house for the free heat.  Currently testing a larger FAN setup to cool 3 x IBM 2KW PSU. 

https://i.imgur.com/vM5BFEs.jpg

https://i.imgur.com/btr6mES.jpg

P.S Can a elder member please quote this so that the picture will show up.  Thanks.   

here is my set-up

https://bitcointalk.org/index.php?topic=1297331.0

Quoted as asked so you can see the pictures in thread.

Mine is a freakin mess but it will come together soon.  I have a 100 amp panel on the left and they are almost done with the 200 amp panel on the right.  I have miners all over the house and all over the garage waiting for them to finish up ::)

https://i.imgur.com/k2inRzr.jpg

https://i.imgur.com/oHSJV7l.jpg

Of course I have 6 50 amp PDU's in the bags on the floor and 12 - 2880's and 4 - DBS-2000's

Very impressive KILO!!  That's quite a farm of Avalons.  What model is your 50AMP PDU?  I was considering getting 50AMP Breakers and and outlets but seems like it's so hard to find PDU for 50AMP vs 30AMPs.  Please keep us posted after your power is upgraded.  What is your strategy for cooling when the summer comes?

what is your electricity rate? and how is the heat and noise?

Kilo have all Avalon 6 from the picture shown.  Those miners are very quiet especially when the ambient temperature is cool as the fan hardly go above 3300 RPM.  They are as quiet as Antminer S3 in a cool room and a much louder in a warm room (higher RPM) but definitely no where near as loud as the S7.  I will let Kilo respond regarding the noise level of the 2880W PSU.  They're loud but he actually have a very cool setup that combines 3 x 2880W and are cooled by 1 very large FAN which makes them super quiet.  It's the same FAN that I have picture above in the Roast duck picture. 

I have Dell 750W PSU, HP 1000W PSU, EVGA G2 1300W and IBM 2KW PSU.  The only PSU that is noisy from that list are the Dell but their loud fan also keep them much cooler than the HP .  The IBM 2KW PSU are very compact and the noise level depends on the fan type you use.  I use the Ultra Kaze fans with the IBM PSU and they are very quiet.

P.S I just saw this very cool ideal on how to separate the hot and cool zone for the S7 using the 2x1000W HP PSU. 

https://i.imgur.com/zBPgPDS.jpg

Quoted per your request...

I got the 50 amp PDU's from finsky and he has great prices on them.  Then I am running 6 total 50 amp sockets.  Here is the plugs (which are monsterous in size). As for cooling, I am building a plenum in the garage currently and hope to have it done when the 200 amp panel is finished this week.  I will have the miners separated into hot/cold with the hot air going inside the plenum and directed out.

http://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Dindustrial&field-keywords=Cs6369

Noise is fine because I am modding all of the PSU's with larger fans.  I will have about 225 Th up and running within the week.  Currently running about 120 Th

Can wait to see the Plenum once completed!

It's funny to see your equipment sweating in garages, out here in Canada there is no need for cooling  ;D
And guess what, the electricity price in Montreal is 6cents per kilowatt hour.  ;D

Hi Kilo,

Thanks for sharing the idea with the insulation panel and duct tape.  I'm going to use your idea to do something a little different.  All of my PCI-e cords will be behind the insulation panel.  The only visible cord in the cool isle will be the RG6 cables for internet.  All of my PSU's are IBM 2880's and IBM 2980's.  I'm getting 2980's from here on out.  With the breakout board and PCI-e cords on the rear of the IBM 2880's and 2980's, I'll be able to have them on the hot isle side of the insulation.

Thanks again for the idea!!!

Jealous of all your setup!  ;D

DMwardjr, that picture with the insulation and Duct Tape is not Kilo's setup.   I took it from a Centrix sale item picture on Amazon.  I buy a lot of stuff from them so I like how they manage their environment, all the way to how they package and resell used stuff.  All 3 of my S3 from them look like brand new.  Although I'm sure Kilo's setup is going to be pretty sweet and just as efficient once he gets his Plenum install.

Wow!!  You got an ideal environment then!  Maybe I should move to Montreal....eh?  I love Quebec, Toronto and Montreal.  Used to live in Boston so I would travel up to those city very often. 

Okay, thanks for letting me know.  I looked for it online, even Amazon under the search, "Centrix" and found NOTHING.  So, I went to Lowe's and found something that looks just like it but it's called Perma R.  However, IT IS COMBUSTIBLE.  Meaning, it would provide fuel to start a fire like gasoline.  Is the Centrix stuff combustible?  If so, DO NOT USE IT for this application with mining bitcoin!

I absolutely LOVE the idea.  However, If I cannot find a similar item that is light weight and NON-COMUSTIBLE, I'm buying fire retardant sheet rock.  I would cut the sheet rock to fit exactly on top of 6 x S7's at a time.  I would put duct tape around all of the edges to keep the chalky like sheet rock stuff from getting inside the rigs.  In other words, I would seal the edges of the fire retardant sheet rock with duct tape.  Even the edges I did not cut.

I did find a possible candidate.  It is TechLite Insulation.

Here is the spec sheet on their specialty product indicating it's a "... polymeric foam containing no
toxic or carcinogenic materials, is highly fire resistant, has low smoke, produces low out thermal and acoustical properties.
gassing, and has outstanding thermal and acoustical properties."  http://www.techlite.net/Files/Specification_Data/079_Specification_Sheet_2014.pdf (http://www.techlite.net/Files/Specification_Data/079_Specification_Sheet_2014.pdf)

Here is a photo of what it looks like when sold through zoro.com (http://zoro.com):  http://www.zoro.com/b/TECHLITE%20INSULATION/ (http://www.zoro.com/b/TECHLITE%20INSULATION/)

It can be expensive but I feel it's well worth the cost for higher efficiency during summer months.  Zoro.com is cheaper than Amazon on TechLite Insulation.

I would have 6 x S7's locked together via the tongue and groove system made on the sides like what you see in the following screenshot:  

https://i.imgur.com/gHZCz1x.jpg

Then cut a non combustible product to the following shape and tape it down with metallic duct tape while making sure not to cover up the ethernet port, lights and reset button.

The non combustible product is in the color red and the tape is white in the screenshot.  A non-combustible product would also be underneath the S7's in between each PSU. I think putting them together in this fashion will make for a cleaner setup.  You could also post a sticky note on the panel above each rig with it's credentials (Rig #, IP address, etc...)

https://i.imgur.com/eH60WCl.jpg

That's cool, I used to live in Toronto but the electricity price there was 18cents per kilowatt during peak times. It was crazy mining there.

Centrix is just the name of the company that does bitcoin mining and they resell their old equipments online via Ebay and Amazon.  Picture was taken from the link below.

http://www.amazon.com/Supply-Antminer-Original-HP-X-Adapter/dp/B019M4AOPA/ref=sr_1_2?ie=UTF8&qid=1452472945&sr=8-2&keywords=hp+1000w+psu


Wow, DMwardjr, really, really like that clean look.  That is pretty awesome and I think the way Centrix does it will work perfectly for you while providing a very clean and almost work of art look as it would hide all the cablings.  Just add a Apple Sticker and it's ART.  =)

I see what you mean now.  The Centrix name seen on the panel around those rigs was only like a water mark for the photo.  It was not actually on the paneling.  That means they more than likely used what I saw at Lowe's.  Which is Perma Board.  Don't get me wrong... I LOVE THE IDEA.  However, Perma Board is the last thing one should use in this application.  This is my honest opinion.  If an S7 were to go up in flames, the Perma Board would combust (go up in flames) and make all of the other cables on the rigs susceptible to burning up as well.  

Again, this is my opinion:  Fire retardant sheet rock or the TechLite Insulation would be a better choice.  The TechLite Insulation in a 24" x 96" x 1" panel at $74.78 each and ships free http://www.zoro.com/techlite-insulation-insulation-sheet-24-x-96-x-1-in-0079-2496ss100-sh-0000-00/i/G2727514/ (http://www.zoro.com/techlite-insulation-insulation-sheet-24-x-96-x-1-in-0079-2496ss100-sh-0000-00/i/G2727514/)

The fire retardant sheet rock will run you less money and may work better in fire resistance.  Not sure though...  http://www.homedepot.com/p/Sheetrock-Firecode-Core-5-8-in-x-4-ft-x-12-ft-Gypsum-Board-14211011312/100321595 (http://www.homedepot.com/p/Sheetrock-Firecode-Core-5-8-in-x-4-ft-x-12-ft-Gypsum-Board-14211011312/100321595)

That pic was from nhando I believe, my plenum will be pretty air tight for the most part.  I am not using insulation panel but will try and find a link to what I am using and post it

Thanks!

I'm looking forward to seeing what you may have found.

Standardizing on the Dual 2KW IBM PSU and using the 4K Boards.  This makes this PSU combo a huge winner with plenty of connections / power and so quiet with the Ultra Kaze fans.  I can also stack them 4 PSU high if I want and which I will to maximize on the rack space.  Makes cabling so much cleaner and sexier. 

<a href="http://imgur.com/t7K1rDB"><img src="https://i.imgur.com/t7K1rDB.jpg" title="source: imgur.com" /></a>

<a href="http://imgur.com/8fhfYx5"><img src="https://i.imgur.com/8fhfYx5.jpg" title="source: imgur.com" /></a>

I thought I would share this in case anyone is considering doing a setup similar to mine.  Who knows, you might get inspiration for a different idea from mine in which we can combine ideas.  Who knows...

I've been doing research on MULTIPLE smaller fans to install behind each 14" x 25" grille in the doors of my mining closet because I had concerns about exactly what you are talking about in the event a BIG fan goes down.  I found radiator fans for automobile engines that run off of 12 volt supply.  So, I'm about to order 16 of them and wire them up to IBM 2000W PSU's using J4bberwock's breakout board that would be mounted to each door.  I was going to special order PCI-e cords custom length from him to use in this application in the door.  

THIS IS A TOTAL OF 32,000 CFM if you combine all 16 fans together at 2,000 CFM each.  This is why I thought it would be important to also install a tube axial fan equivalent to 32,000 CFM with a 5 HP belt driven motor.  All of this was going to be a surprise.  However, it's probably better I share it now to kind of put me on the spot and hold me accountable to get it done as soon as possible.  At least by the time the power upgrade is completed or shortly after.

Here is a link for the fan:  http://www.amazon.com/Electric-Radiator-Cooling-Mount-Unversal/dp/B015PQ90CC/ref=sr_1_8?s=automotive&ie=UTF8&qid=1452553193&sr=1-8&keywords=12+inch+radiator+fans (http://www.amazon.com/Electric-Radiator-Cooling-Mount-Unversal/dp/B015PQ90CC/ref=sr_1_8?s=automotive&ie=UTF8&qid=1452553193&sr=1-8&keywords=12+inch+radiator+fans)

Here are the specs on the fan:

Size: 12"; Color: Red
10 Blades, 12 Volts, 80 Wattage, Thickness=2.5"
Maximum FAN CFM=2000 CFM, Maximum Fan RPM=2250 RPM, 6.6 AMP DRAW
OE Fitment or Replacement, Push or Pull Type
Brand new radiator cooling fan blade for universal use. It is good for stock cooling, Perfect for turbo applications.

Here is a photo of the fan and where the fans would be located with two of them in behind each grille INSIDE of the door [Not on the outside]:

https://i.imgur.com/7b0f6YT.jpg


Here is a photo of both doors together with 16 x 2000 CFM 12" fans for a total of 32,000 CFM [The drawing is to scale - every little square is 2 inches square]:


https://i.imgur.com/7lOEYI8.png

Tell me what you think of the idea if you think it would be necessary to have 2 large fans outside of the mining closet.  I value your opinion, Sir!  What I LOVE about this is the fact of using only 1,280 watts to provide 32,000 CFM.  In reality, this would not be quite 32,000 CFM because of the fan not actually being inside of a box or tube.  However, I still believe this application would be beneficial to my setup.

By the way, the 2 x IBM 2000W PSU's would be connected to a 30A/240V outlet coming from the 200A Load Center for the house.  All of the rigs will be connected to power coming from the other 200A panels I'm about to have installed.

Love the idea as both of my HVAC guys told me, it's better to have multiple FANs for redundancy then just depend on 1 Large Fan especially when down time for replacement = $$ lost from no being able to Mine.  This is also the reason why you invested in the separate motor fan so that it's a quicker replacement.  So my setup will be vented up as hot air rise by a 5K CFM FAN as that's really my only option for my brick walled garage.  The 2nd smaller 2400 CFM Fan will be installed at a later date as a helping FAN as well as redundancy before summer hit and more $$ is earned.  I have no where close to your CFM rating so your setup will be absolutely awesome. 

P.S Where can I find that 2000 CFM so small?  That would be perfect for my garage door vent outlets / inlets.

http://www.amazon.com/s/ref=nb_sb_ss_fb_0_20?url=search-alias%3Dautomotive&field-keywords=12+inch+radiator+fans&sprefix=12+inch+radiator+fan%2Ccomputers%2C171 (http://www.amazon.com/s/ref=nb_sb_ss_fb_0_20?url=search-alias%3Dautomotive&field-keywords=12+inch+radiator+fans&sprefix=12+inch+radiator+fan%2Ccomputers%2C171)

Wow, that is an awesome deal at $23.00!  David, so how would the cabling work?  We just use any 2 of the Ground and Positive and not use the extra 4?

Let me do research to see how long of a duty cycle they have.  Prelude said, they may not have a very long duty cycle.  So, I'm doing some research.

Yeah but at this price, you can easily replace them as they fail.  There are so many fans as backup.  I may test this one out for additional venting.  Just not sure if it's truly even close to their rating.

That's what I just told prelude.  I believe it is pretty close.  It's a hell of a lot more CFM than any other 12 volt DC fans I have seen.

I just sent a message to the seller on Amazon asking them if they know the duty cycle of these running 24/7 at 100%.  I said, let me know how many hours continuous these can run at 100% 24/7.

Might consider this switch in that application as well:

http://www.amazon.com/Unique-Goods-Controller-Adjustable-Reversible/dp/B00RYRXFW2 (http://www.amazon.com/Unique-Goods-Controller-Adjustable-Reversible/dp/B00RYRXFW2)

EDIT:  Scratch that.  3 amps output and I would need 6.6 amps.

Let me know how the FAN works out for you David.  I'm interested if they're anywhere as powerful as the listed ratings.

Will do.

I'm actually checking them out on Amazon right this very moment.  I'm looking at dual and single options; Reading reviews; etc...

I'm coming closer to making a decision.  I believe I found the right brand [Flex-a-lite] that is made in the USA.  I'm trying to decide which model of theirs to purchase.

I actually bought a couple of the different radiator fans a while back on Amazon - completely worthless.  The CFM values are definitely not even remotely close to what they claim.  They also have about zero static pressure (probably because they're intended to be in situations where air is basically forced in most of the time), so are terrible in any restrictive setting.

The only consumer-y thing I've bought that's worth anything are these:

http://amzn.to/1Ok7W8a

You can get similar ones from Home Depot and Lowes, and they definitely move a fair bit of air.  I usually set these up in tandem, with the auto-close grates.  The thing you have to consider with smaller fans is that if they stop working, and you have a channel that is restrictive in any way, they're going to short circuit (meaning the fans adjacent to the failed fan will just suck air back in from the exhaust side).

I also would recommend just finding multi-speed fans, instead of trying to use a motor controller to control speed.  It just adds cost and heat, with very little upside IMO.  Depending on where you're located, you could also look into buying used swamp coolers - they generally have a decent belt-drive squirrel cage blower that will be in the 3k-4k CFM range.  In Arizona they're cheap as hell, typically only a couple hundred bucks used, and have great static pressure.

The other thing to consider doing if noise is an issue is just make sure the air channels are not straight - make sure you have larger than necessary ducting, and then put two 90 degree turns in it - and if you're doing ducting, get the kind with internal insulation (looks similar to heavy duty bubble wrap), this will also diffuse the sound.  I have 2 of those fans linked above exhausting in a similar setup, and you can barely hear the sound on the vents outside (similar to what you'd expect from a laundry machine).

Anyway, hopefully that helps save you wasting money on those radiator fans.

For those of you who haven't seen Mark's setup yet.  This is something truly of a work of Art.

https://bitcointalk.org/index.php?topic=1184272

His Future version which I think would also solve all of my Garage heat issue if I have the skills to build anything even close to 70% of his design. ( Last picture on the thread below)

https://bitcointalk.org/index.php?topic=1184272


I have a Vent in the ceiling soon to be installed in the garage that would be suck up by a 5000 CFM FAN.  Seeing both of his design.  If I can face all the S7 Exhaust FAN to the ceiling and let the intake air pull cool air from below, I think it will work.  I just need a good solution to funnel all that hot exhaust air to the Vent to avoid the hot air from circulating around the garage.

Thanks for sharing your experience with the radiator fans.  I won't bother purchasing them now.

I already have two of the following fan:  http://www.amazon.com/gp/product/B002R1XFP2?psc=1&redirect=true&ref_=ox_sc_sfl_title_4&smid=ATVPDKIKX0DER (http://www.amazon.com/gp/product/B002R1XFP2?psc=1&redirect=true&ref_=ox_sc_sfl_title_4&smid=ATVPDKIKX0DER)

I will purchase 2 more after my power upgrade.  I'll end up having 2 of them pulling heat out and 2 of them pushing fresh air in.  That should help with redundant air flow.

I run an S2 and 6 S3s (presently...growing) in my living room, on the furthest west end of Kaua'i Island, the furthest west of the Hawaiian Islands. I have no AC. Outside ambient can get over 90F in the summer; hardly ever gets under 70 in the daytime any season. Anyway...I think you would be OK on S3s, or any Antminer box newer than that. They run reasonably cool if you just make sure they have plenty of "bandwidth" on the airflow. I would not, however, recommend trying to run an S2 in that environment. I have one (it was my first machine) and had to extensively mod it to not overheat. I haven't gotten an S7 yet (in the plans) so can't speak directly to that, but I would have to assume that it would be fine.

Wow, a Hawaiian miner!   Awesome.  Yeah you have great weather year round so probably can just air cool it.  Houston can get the 100s, so it's a bit more challenging.

For some reason, I thought Hawaii electric rates were crazy high. Am I wrong, or do you have some way to mitigate the power costs?

Hi Everyone,

I've been a busy man today.  I completed the easiest side this evening.  I have the hardest side left to do.  Here are some photos to let you see what I'm up to:

I covered the back side of every piece of Fire Retardant Drywall with aluminum duct tape.

https://i.imgur.com/X2qQ2cN.jpg


Here is a photo of the back side.  I took a close up photo so you can see the back side covered by aluminum tape and installed.

https://i.imgur.com/ikMb2W2.jpg


Here is a photo of the front side.  You can see I cut places open to allow the IBM 2980's to breath.

https://i.imgur.com/BSDjIqq.jpg


Another photo to allow you to see it is running all the way up.

https://i.imgur.com/uKEiKUK.jpg


I need to do the left side now.  It will be more involved because I have 6 shelves of S7's to do the same way I did the right side

https://i.imgur.com/HlWGyRh.jpg

Wow, looks great David!!! So clean and awesome.  I am trying to figure out how I can do similar clean and uniform flow for air with the 4k bundle but am having a very difficult time finding a good layout.

IT IS UNREAL how much it helped with the temps with the rigs on the right.  They were managing to pull hot air from the mining closet into the intake fans before I did this.  I had to run the fans at 100% and the temps were still between 65 and 72 C.  And that was with them under clocked from 700 MHz to 600 MHz at 4000 GH/s.

Now I have them back at 700 MHz and the fans manual to 50% with the temps ranging between 45C and 54C.  UNREAL HOW MUCH THIS HAS HELPED.

Yeah, that's why as soon I saw this design, I figure you would definitely be interested as it works well with the 2880/2980w PSU layout.  The 4K bundle is impossible to do something similar, a bit frustrated but it's hard to be 100% in either combinations since with the 2880W / 2980W combo, it looks like the PCI-E cable will be in the way of the hot air from the S7 exhaust fan.

I really want to aim all my S7 Exhaust fan toward the ceiling where the Giant Exhaust FAN will remove the heat out into the attic but I've been hearing people say be careful of falling heat sink into the Fan causing fire in that config.  =(

Where there is a will, there is a way.  I know you can figure it out if you were to do something similar but with the IBM 2000 BB PSU's.