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Title: Garage Mining Post by: Icarusfixius on May 05, 2017, 06:54:57 PM So reading through things here is seems that there are a few of you mining in garages or sheds. It would seem advantageous to do so to use outdoor air to cool the rigs much cheaper than running the AC harder.
How do you overcome the humidity? Is that not much of a concern? I currently have 5 rigs running in the basement and have no good way to exhaust the heat. As such my basement is now 94F. I need to come up with a different game plan. Wondering what tips and tricks you all may have learned over the years and what makes the most sense to do? Title: Re: Garage Mining Post by: eth4lyfe on May 05, 2017, 07:31:29 PM So reading through things here is seems that there are a few of you mining in garages or sheds. It would seem advantageous to do so to use outdoor air to cool the rigs much cheaper than running the AC harder. How do you overcome the humidity? Is that not much of a concern? I currently have 5 rigs running in the basement and have no good way to exhaust the heat. As such my basement is now 94F. I need to come up with a different game plan. Wondering what tips and tricks you all may have learned over the years and what makes the most sense to do? Do you have any windows in the basement? You're abandoning the basement idea and moving to the garage? You should install 2 vents at the top and bottom of your garage door, that's what a few other people have done on here. This is my favorite shed setup that I've seen https://bitcointalk.org/index.php?topic=1806061.0. He's in a very humid city and it doesn't seem to bother him, from what I've read the biggest struggle is dealing with high water. I wouldn't build a shed for only 5 rigs though, that's a lot of hassle. You could easily run that in a spare bedroom with some minor electrical upgrades (50A drop). Title: Re: Garage Mining Post by: Bones972 on May 05, 2017, 07:50:30 PM I ran into the same problem. I have 4 rigs up and running right now (5th should be ready to go on Monday) I had to move 2 from the basement to the garage but am a little shy about moving a 3rd out there until I have an electrician buddy of mine come and check out what I have as far as power there.
We are planning on building a new house in the next few months and I plan on having a few extra lines run to the basement near a window. I hope to build a room and use one of these.. http://www.homedepot.com/p/LG-Electronics-12-000-BTU-Portable-Air-Conditioner-and-Dehumidifier-Function-with-LCD-Remote-LP1217GSR/300422893 Title: Re: Garage Mining Post by: Icarusfixius on May 05, 2017, 07:53:58 PM Yep, I have seen his stuff he has a very nice setup. I don't recall ever seeing it mentioned what area he is located in? I was trying to avoid cutting the garage door and was thinking of maybe putting a window in the garage. Ultimately, I would prefer the basement but I dont think there is any effective way for me to move that much heat out of my basement.
We are planning on building a new house in the next few months and I plan on having a few extra lines run to the basement near a window. I hope to build a room and use one of these.. http://www.homedepot.com/p/LG-Electronics-12-000-BTU-Portable-Air-Conditioner-and-Dehumidifier-Function-with-LCD-Remote-LP1217GSR/300422893 I have seen those before and while the though seems nice I am afraid it is just going to be inadequate to keep up. If my math is correct it would take one of those per 4 rigs. That seems like a lot of extra cost and power overhead per 4 rigs. Title: Re: Garage Mining Post by: philipma1957 on May 05, 2017, 08:28:25 PM I ran into the same problem. I have 4 rigs up and running right now (5th should be ready to go on Monday) I had to move 2 from the basement to the garage but am a little shy about moving a 3rd out there until I have an electrician buddy of mine come and check out what I have as far as power there. We are planning on building a new house in the next few months and I plan on having a few extra lines run to the basement near a window. I hope to build a room and use one of these.. http://www.homedepot.com/p/LG-Electronics-12-000-BTU-Portable-Air-Conditioner-and-Dehumidifier-Function-with-LCD-Remote-LP1217GSR/300422893 no no no no no it is 9.4 seer not efficient give me a minute do you have a back door to the garage. like this just open it and use fans to pull air out of the garage http://www.homedepot.com/catalog/productImages/1000/52/528f001c-6d2f-41c0-8795-4a0f49068bea_1000.jpg Title: Re: Garage Mining Post by: Icarusfixius on May 05, 2017, 08:45:53 PM I do not have a back door but I debated installing one or a window just for that reason. I am in the midwest though and I fear those %90 RH days. I dont know if that is a real problem or not
Title: Re: Garage Mining Post by: philipma1957 on May 05, 2017, 08:51:35 PM I do not have a back door but I debated installing one or a window just for that reason. I am in the midwest though and I fear those %90 RH days. I dont know if that is a real problem or not okay can you do 2 windows try 2 of these fans one blows air in one pulls air out the garage. http://www.homedepot.com/p/Lasko-Weather-Shield-Select-20-in-3-Speed-Box-Fan-with-Thermostat-B20570/205596323 if there is a humidity issue replace the intake fan with this ac which is 12.1 seer. make sure the exhaust fan is sealed on the sides of the window so it won't let in humidity. http://www.homedepot.com/p/GE-ENERGY-STAR-115-Volt-Electronic-Room-Air-Conditioner-AEL12AV/206685303?MERCH=REC-_-PIPHorizontal1_rr-_-206685301-_-206685303-_-N Title: Re: Garage Mining Post by: Icarusfixius on May 05, 2017, 09:07:45 PM I don't know if there is actually a humidity issue or not. That is what I am wondering. At what point do you guys worry about it? or not at all?
Title: Re: Garage Mining Post by: RentGPU on May 05, 2017, 11:06:39 PM I don't know if there is actually a humidity issue or not. That is what I am wondering. At what point do you guys worry about it? or not at all? It can be an issue if it is too high , can cause water condense on the hardware , and sure you know water and electrical components it will lead to short circuits , you need to find a way to solve this humidity issue maybe not letting your hardware to cool down alot , raise the temp. a bit to reduce water condenseTitle: Re: Garage Mining Post by: VoskCoin on May 06, 2017, 03:02:56 AM I've been contemplating the same thing,
My garage has no windows, garage door, and a door. I guess this is similar to OP. Virginia gets pretty hot and humid, how would I create a proper setup? It seems I'll have to run a commercial style AC unit and a couple large fans to circulate air. Title: Re: Garage Mining Post by: philipma1957 on May 06, 2017, 03:15:59 AM I've been contemplating the same thing, My garage has no windows, garage door, and a door. I guess this is similar to OP. Virginia gets pretty hot and humid, how would I create a proper setup? It seems I'll have to run a commercial style AC unit and a couple large fans to circulate air. I am in NJ humidity lasts 3-4 months. Been garage mining since 2012 no rusting yet. most of the time the hot gear solves all humidity issues. A/c only works if power is dirt cheap . otherwise it is too costly. I have a back door that i open 3 to 4 months a year. when it is hot I scale mining done when it is cold I scale mining up. i.e. 2.5 kwatts june 1 to Sept 30 5 kwatts October 1 to May 31 Title: Re: Garage Mining Post by: VoskCoin on May 06, 2017, 03:36:11 AM I've been contemplating the same thing, My garage has no windows, garage door, and a door. I guess this is similar to OP. Virginia gets pretty hot and humid, how would I create a proper setup? It seems I'll have to run a commercial style AC unit and a couple large fans to circulate air. I am in NJ humidity lasts 3-4 months. Been garage mining since 2012 no rusting yet. most of the time the hot gear solves all humidity issues. A/c only works if power is dirt cheap . otherwise it is too costly. I have a back door that i open 3 to 4 months a year. when it is hot I scale mining done when it is cold I scale mining up. i.e. 2.5 kwatts june 1 to Sept 30 5 kwatts October 1 to May 31 The door is essentially my front door, I don't know if I really have an option other than cracking garage door/ opening and putting an intake and exhaust fan? What about inclement weather? Title: Re: Garage Mining Post by: szafa on May 06, 2017, 05:24:30 AM I dont have garage only home.What i know garage under earth have lower temperature.
Title: Re: Garage Mining Post by: Icarusfixius on May 06, 2017, 12:41:23 PM okay can you do 2 windows try 2 of these fans one blows air in one pulls air out the garage. http://www.homedepot.com/p/Lasko-Weather-Shield-Select-20-in-3-Speed-Box-Fan-with-Thermostat-B20570/205596323 if there is a humidity issue replace the intake fan with this ac which is 12.1 seer. make sure the exhaust fan is sealed on the sides of the window so it won't let in humidity. http://www.homedepot.com/p/GE-ENERGY-STAR-115-Volt-Electronic-Room-Air-Conditioner-AEL12AV/206685303?MERCH=REC-_-PIPHorizontal1_rr-_-206685301-_-206685303-_-N [/quote] Would small box fans such as those be adequate for up to 10 rigs or so? Seems like you would need to move more air but I dont really have a good baseline. On one hand I need to just get started and move forward (trial and error). On the other I dont want to spend money on things tat ultimately end up useless because they are under or oversized. Title: Re: Garage Mining Post by: wheelz1200 on May 06, 2017, 01:20:06 PM Dont know what your garage set up looks like but you can certainly instal one of these mini split AC systems. They are ductless and efficient. If you do buy fujitsu.....dont buy any knockoff crap if will bust in a year.
http://www.fujitsu-general.com/us/residential/index.html If your garage has a good seal then this will help with heat. Title: Re: Garage Mining Post by: Sequoia93 on May 06, 2017, 02:55:24 PM Would an A/C really be that efficient while you are also circulating air in/out of the garage with fans?
Also, has anyone tried anything like this? http://www.homedepot.com/p/Master-Flow-4500-CFM-24-in-Direct-Drive-Whole-House-Fan-with-Shutter-WHFS24M/100018252 I believe @yun9999 says he has two 5000CFM fans for ~200 GPUs in Texas. So one of these in the ceiling, and some vents in the garage door should be plenty for about up to 100 GPUs just about anywhere, no? Title: Re: Garage Mining Post by: QuintLeo on May 06, 2017, 10:22:41 PM I don't know if there is actually a humidity issue or not. That is what I am wondering. At what point do you guys worry about it? or not at all? If your mining room is 10 degrees F or more above ambient, you don't have to worry about humidity. In my case, even when it's raining outside and I have my largish Brisa Evap cooler running, I only see 40% or so RH at the most, and most of the time closer to 30% - but that's with somewhat over 15KW worth of mining gear running. Title: Re: Garage Mining Post by: Icarusfixius on May 07, 2017, 03:50:10 AM I don't know if there is actually a humidity issue or not. That is what I am wondering. At what point do you guys worry about it? or not at all? If your mining room is 10 degrees F or more above ambient, you don't have to worry about humidity. In my case, even when it's raining outside and I have my largish Brisa Evap cooler running, I only see 40% or so RH at the most, and most of the time closer to 30% - but that's with somewhat over 15KW worth of mining gear running. What area are you in if you dont mined me asking? How well does the evap cooler work? Title: Re: Garage Mining Post by: QuintLeo on May 09, 2017, 02:39:08 AM Central Washington - and the evap works quite well, most months we only see 2-3 days it precipitates at all and I rarely see 40% humidity 5 feet from the OUTPUT of the evap.
I'm thinking I might need to get a second one at some point once I move into the new place I should be relocating to in a month or two (better ventilation than where I'm at now AND twice the power availability). Semi-arid biome, bloody near a desert - I think we average 10-12 inches of rain/equivilent a year or thereabouts. For an evap to work noticeably better, you'd have to move to an actual desert like the Mohave or Death Valley. There's a reason the Grand Coulee Dam was built primarily to irrigate the region I'm in (the power generation was a LESSER design function in it's initial buildout, a lot of the power generation was added in later "upgrades"). Title: Re: Garage Mining Post by: Icarusfixius on May 09, 2017, 01:11:44 PM Miners have been moved out to the garage. During the day with an ambient temp of 85F the garage has been reaching right about 100F. I have a carpet drying fan blowing air out underneath the cracked garage door but it doesnt seem like that will even begin to put a dent in the temps. Not ideal anyway as it is exhausting heat from near the floor. I was thinking of using one of those air extractor fans with a duct to draw hot air away from right above the miners and blow it out underneath the garage door. I feel like that would be better but perhaps still not enough. I currently have 4 machines out there but would ultimately like to have somewhere between 7 and 10.
https://i.imgur.com/qW6pYPZ.jpg (http://imgur.com/qW6pYPZ) Title: Re: Garage Mining Post by: Marvell1 on May 09, 2017, 06:11:32 PM Miners have been moved out to the garage. During the day with an ambient temp of 85F the garage has been reaching right about 100F. I have a carpet drying fan blowing air out underneath the cracked garage door but it doesnt seem like that will even begin to put a dent in the temps. Not ideal anyway as it is exhausting heat from near the floor. I was thinking of using one of those air extractor fans with a duct to draw hot air away from right above the miners and blow it out underneath the garage door. I feel like that would be better but perhaps still not enough. I currently have 4 machines out there but would ultimately like to have somewhere between 7 and 10. https://i.imgur.com/qW6pYPZ.jpg (http://imgur.com/qW6pYPZ) install a downblast extractor fan in the celing, a heavy duty like this https://www.zoro.com/dayton-exhaust-vent-20-in-4yu88/i/G1133221/ 3000 or so CFM should be enough for that amount of rigs. you can probably get cheaper one on ebay or Amazon or used one Title: Re: Garage Mining Post by: Icarusfixius on May 09, 2017, 07:59:05 PM The only issue with that is my master bedroom is directly above that. Currently the only way for the heat to get out is out the garage door. I was thinking of using something like this.
https://www.amazon.com/MaxxAir-HVHF-08COMBO-Cylinder-20-foot/dp/B004GHNKT6/ref=sr_1_1?ie=UTF8&qid=1494356774&sr=8-1&keywords=MaxxAir+8%22 Title: Re: Garage Mining Post by: Marvell1 on May 09, 2017, 08:12:24 PM The only issue with that is my master bedroom is directly above that. Currently the only way for the heat to get out is out the garage door. I was thinking of using something like this. https://www.amazon.com/MaxxAir-HVHF-08COMBO-Cylinder-20-foot/dp/B004GHNKT6/ref=sr_1_1?ie=UTF8&qid=1494356774&sr=8-1&keywords=MaxxAir+8%22 yea that will work make sure you get at least a 2000 cfm model or more Title: Re: Garage Mining Post by: Icarusfixius on May 09, 2017, 08:25:21 PM The only issue with that is my master bedroom is directly above that. Currently the only way for the heat to get out is out the garage door. I was thinking of using something like this. https://www.amazon.com/MaxxAir-HVHF-08COMBO-Cylinder-20-foot/dp/B004GHNKT6/ref=sr_1_1?ie=UTF8&qid=1494356774&sr=8-1&keywords=MaxxAir+8%22 yea that will work make sure you get at least a 2000 cfm model or more Why do you say 2000CFM? Is there some math you were able to do to determine that, Something i should make myself aware of? I have been struggling with fan sizing and how to to know what I need. Title: Re: Garage Mining Post by: VoskCoin on May 09, 2017, 09:52:43 PM Instead of clogging your thread I made my own and some other great members already added a lot of good info in it may be worth a look to you
https://bitcointalk.org/index.php?topic=1907942 I'm dealing with pretty much the same problems and by the end of next week will have similar amount of rigs going in there Ultimately it seems that one way or another we need to have an intake fan and exhaust fan as thats the only efficient way to do it. . This was some of their recent input, you could potentially apply this concept to your setup I just did a quick read through the posts and could have missed something. I would use exhaust fans as recommended but I would separate the mining room from the house. Do not draw the air from inside the house, pull the air from outside. Arrange the rigs so that the air pulls directly across the rigs. You want a exhaust fan big enough to exchange the air in the room several times per minute. Even if the temps are 100f outside, when you are pulling that air across your 65c to 70c card temps they will stay cool. 70c is 158f so the outside air will cool if you have proper air flow. 3000cfm is a good starting point. I am moving my rigs out to a 12x26 storage unit that I had set in the back yard. I am going to go with 7,500 to 10,000 cfm because i want the air to be exchanged many times to keep the heat minimized. There is no reason to put in a 200 amp panel right now unless you have the money and know you will add several more rigs in the future. Its gonna cost so be prepared. I have 9 rigs on my main 200 amp panel. I dedicated 4 double pole 240v breakers just for mining. You dont want the breaker to be loaded more than 80 percent. If you run your rigs on 240v you can double the amperage of a 120v circuit and run more efficiently. At 240v you could run approx 20+ rigs on a 200 amp panel. The wire racks work perfectly. It gives very good air flow for the cards. Unless you are rolling in the money there is no reason to buy those expensive sever racks. 75 bucks will allow you to set up 6 to 8 rigs on a nice wire rack. Thats my 2 cents. I was actually thinking of this. Haven't decided on fan size yet. http://www.homedepot.com/p/iLIVING-5000-CFM-Power-30-in-Single-Speed-Shutter-Exhaust-Fan-ILG8SF30S/207174738 this is my idea for him he needs to cut 1 vent in back corner of his garage. he needs a strong exhaust fan so air is pulled from cooler home. this setup keeps gear away from car and lets a car be parked. only one cut in garage for vent. and cooler air flows into garage from basement if ac bill goes too high he can close basement door and open garage door 2 inches use this from garage door to vent inside door shut http://www.perforated-pipe.com/perforatedpipe/perforated-square-tube.html https://i.imgur.com/AVliYsF.png from inside to vent https://i.imgur.com/wWDQ0OO.jpg Title: Re: Garage Mining Post by: Icarusfixius on May 10, 2017, 12:54:40 PM I believe the cylinder fan with a duct is probably the way to go for me. How do you guys determine the required size of a fan though?
Title: Re: Garage Mining Post by: VoskCoin on May 10, 2017, 02:13:30 PM I believe the cylinder fan with a duct is probably the way to go for me. How do you guys determine the required size of a fan though? What's your plan for outlets / surge protection? As far as fan I'm trying to figure that out myself lol normally it's based on sq ft but our situation is a bit different Title: Re: Garage Mining Post by: Icarusfixius on May 10, 2017, 03:15:24 PM I honestly havent done anythign with surge surpession yet. I will likely install something on the main panel for whole house surge suppression. MY main breaker panel is directly below where the miners sit in the basement. I have been running 2 outlets up there on a 20amp breaker to do 2 miners per breaker.
Title: Re: Garage Mining Post by: VoskCoin on May 10, 2017, 04:15:23 PM I honestly havent done anythign with surge surpession yet. I will likely install something on the main panel for whole house surge suppression. MY main breaker panel is directly below where the miners sit in the basement. I have been running 2 outlets up there on a 20amp breaker to do 2 miners per breaker. At that rate how many max miners do you think you'll be able to achieve? Title: Re: Garage Mining Post by: Icarusfixius on May 10, 2017, 04:40:38 PM My limiting factor will likely be cooling long before anything else. The 6 month goal is to be at 10 rigs.
Title: Re: Garage Mining Post by: VoskCoin on May 10, 2017, 04:43:27 PM My limiting factor will likely be cooling long before anything else. The 6 month goal is to be at 10 rigs. Do you have an option for a shed? I've scrapped my plan here https://bitcointalk.org/index.php?topic=1907942.new#newbecause it's just not feasible for the way my garage/house is setup and will have to go the shed route Title: Re: Garage Mining Post by: Vaccinus on May 10, 2017, 04:54:47 PM My limiting factor will likely be cooling long before anything else. The 6 month goal is to be at 10 rigs. you can do good with 3 fan in front of the gpu and for exaust you can use a tube with radiators to direct the air outside, or what about an air conditioner even better no? just put the temperature to 20° and you are done Title: Re: Garage Mining Post by: newtybar on May 10, 2017, 05:14:37 PM How are you guys able to set up so many rigs? Did you guys have to have an electrician come out? Aren't you overloading the circuits?
Title: Re: Garage Mining Post by: Icarusfixius on May 10, 2017, 05:56:52 PM My limiting factor will likely be cooling long before anything else. The 6 month goal is to be at 10 rigs. you can do good with 3 fan in front of the gpu and for exaust you can use a tube with radiators to direct the air outside, or what about an air conditioner even better no? just put the temperature to 20° and you are done It would take damn near a 5 TON AC unit just to cool the rigs and it would run all the time. That is not cost effective in any shape or form Title: Re: Garage Mining Post by: Marvell1 on May 10, 2017, 06:34:00 PM My limiting factor will likely be cooling long before anything else. The 6 month goal is to be at 10 rigs. you can do good with 3 fan in front of the gpu and for exaust you can use a tube with radiators to direct the air outside, or what about an air conditioner even better no? just put the temperature to 20° and you are done It would take damn near a 5 TON AC unit just to cool the rigs and it would run all the time. That is not cost effective in any shape or form you need to exhaust the heat out using fans Title: Re: Garage Mining Post by: Sequoia93 on May 10, 2017, 10:23:28 PM How are you guys able to set up so many rigs? Did you guys have to have an electrician come out? Aren't you overloading the circuits? Many of us have an electrician add additional circuits if mining at a residence. Title: Re: Garage Mining Post by: QuintLeo on May 13, 2017, 01:11:54 AM Instead of clogging your thread I made my own and some other great members already added a lot of good info in it may be worth a look to you https://bitcointalk.org/index.php?topic=1907942 I'm dealing with pretty much the same problems and by the end of next week will have similar amount of rigs going in there Ultimately it seems that one way or another we need to have an intake fan and exhaust fan as thats the only efficient way to do it. . Having both an intake AND an exhaust fan is redundant and usually a waste of electricity - the only thing that does is reduce backpressure a LITTLE, does not add significantly to airflow. Have you considered putting louvres in your garage door, as opposed to drawing air in from inside your house? Title: Re: Garage Mining Post by: CryptoWatcher420 on May 13, 2017, 02:30:16 AM Central Washington - and the evap works quite well, most months we only see 2-3 days it precipitates at all and I rarely see 40% humidity 5 feet from the OUTPUT of the evap. awesome to see another washintonian on here lol!I'm thinking I might need to get a second one at some point once I move into the new place I should be relocating to in a month or two (better ventilation than where I'm at now AND twice the power availability). Semi-arid biome, bloody near a desert - I think we average 10-12 inches of rain/equivilent a year or thereabouts. For an evap to work noticeably better, you'd have to move to an actual desert like the Mohave or Death Valley. There's a reason the Grand Coulee Dam was built primarily to irrigate the region I'm in (the power generation was a LESSER design function in it's initial buildout, a lot of the power generation was added in later "upgrades"). Title: Re: Garage Mining Post by: VoskCoin on May 14, 2017, 01:49:03 PM Instead of clogging your thread I made my own and some other great members already added a lot of good info in it may be worth a look to you https://bitcointalk.org/index.php?topic=1907942 I'm dealing with pretty much the same problems and by the end of next week will have similar amount of rigs going in there Ultimately it seems that one way or another we need to have an intake fan and exhaust fan as thats the only efficient way to do it. . Having both an intake AND an exhaust fan is redundant and usually a waste of electricity - the only thing that does is reduce backpressure a LITTLE, does not add significantly to airflow. Have you considered putting louvres in your garage door, as opposed to drawing air in from inside your house? I have since changed plans to simply modify a shed with louvre intake and exhaust fan outtake. . just trying to figure out what fans currently Title: Re: Garage Mining Post by: Icarusfixius on May 14, 2017, 02:37:47 PM A shed was a though I had early on based on yun9999's build. It does not look like my HOE will allow that though. For now I am limited to what I can easily cool in the garage. Once I get to a return on that investment I may consider leasing a space somewhere and going bigger, Much bigger. OF course that said, assuming the profit margins still make it worthwhile a few months from now.
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