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Author Topic: My set-up to heat house using bitmain S7 (UPDATE 03JAN2016)  (Read 8881 times)
FIN_BTC
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January 13, 2016, 01:10:47 PM
 #41

Quite a good idea to be honest, I like the way you are saving money on heating and using that to run the bitcoin miner, very efficient  Roll Eyes

I disagree that. It is not efficient simple reason that miners will not earn money back because difficult level rising all the time and when you use example 1000w keep miners running you will get only 1000w heat. If you use air source heat pump you will get 2000-6000W heat per one 1KW so it is much more efficient for heating than running miners.

So you have to spend 2-6times more electricity when using miners compared heat pump or other efficient heater to heat house for same temperature. Keep that mind when doing calculations.
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torepia
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January 13, 2016, 04:16:39 PM
 #42

Quite a good idea to be honest, I like the way you are saving money on heating and using that to run the bitcoin miner, very efficient  Roll Eyes

I disagree that. It is not efficient simple reason that miners will not earn money back because difficult level rising all the time and when you use example 1000w keep miners running you will get only 1000w heat. If you use air source heat pump you will get 2000-6000W heat per one 1KW so it is much more efficient for heating than running miners.

So you have to spend 2-6times more electricity when using miners compared heat pump or other efficient heater to heat house for same temperature. Keep that mind when doing calculations.

I see your point, but you can't really compare the two.
Sure, if your goal is to use as little electricity as possible to heat your house, then there are more effective ways. Insulating walls, roof, windows and burning wood comes to mind.
Throw in a heat pump in the mix and you're good to go.

But, if you eitherway are going to mine, its more efficient to use the heat, instead of just pumping it out of the house.

This is how I do it:
Family and friends are heating their houses with 1000-2000W electrical heaters. So I replace their heaters with miners. I pay half the electricity.
They get: Same heat for half the electricity price.
I get: Location to host miner, half price on electricity.

This is how you ROI a miner today  Cheesy
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January 13, 2016, 05:29:58 PM
 #43

Quite a good idea to be honest, I like the way you are saving money on heating and using that to run the bitcoin miner, very efficient  Roll Eyes

I disagree that. It is not efficient simple reason that miners will not earn money back because difficult level rising all the time and when you use example 1000w keep miners running you will get only 1000w heat. If you use air source heat pump you will get 2000-6000W heat per one 1KW so it is much more efficient for heating than running miners.

So you have to spend 2-6times more electricity when using miners compared heat pump or other efficient heater to heat house for same temperature. Keep that mind when doing calculations.

I see your point, but you can't really compare the two.
Sure, if your goal is to use as little electricity as possible to heat your house, then there are more effective ways. Insulating walls, roof, windows and burning wood comes to mind.
Throw in a heat pump in the mix and you're good to go.

But, if you eitherway are going to mine, its more efficient to use the heat, instead of just pumping it out of the house.

This is how I do it:
Family and friends are heating their houses with 1000-2000W electrical heaters. So I replace their heaters with miners. I pay half the electricity.
They get: Same heat for half the electricity price.
I get: Location to host miner, half price on electricity.

This is how you ROI a miner today  Cheesy

I support Torepia answer on this.

The goal wasn't buying the miners to heat the house over my furnace. trust me it is far cheaper to use my gas furnace. The goal was to utilize the heat blown off the miners. Instead of blowing the heat elsewhere, I can use it to heat house.

At this stage in mining, it will take 6 months+ to get ROI mining straight bitcoin (depends on electricity cost). But most people who keep say "ROI is an issue" they refuse to mention or include the fact that reselling the miner will easily get you over your ROI. Even if you don't mine enough to get your ROI, the reselling will.

Look at prices currently on the marketplace section, ebay, craigslist, amazon, etc.

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January 13, 2016, 08:44:37 PM
 #44

Thanks for good reply torepia and rockyforever. My first post was little bit narrow minded,sorry. I am using miners as well to heat my house. I want to be part of network and collect some acknowledge about how bitcoin works and that's why I am mining right now. Heat it just extra that I use for. I have 2 x antminer s3, 2 x antminer s5, 1 x Dragon 1THs and one bitmain.ch 600ghs. Overall 5Ths hashpower and those keep warm my whole house (100m2) and garage. Here is about -5 to -35C degrees outside so all heat coming for purpose in winter time. Antminer S5s are good for garage because those are little bit a noisy there it won't trouble and S3s are good for bedrooms because those are quiet even running overclocked. I paid about 1200e for all these and those have been mined for 500e after I got those, electricity bill is about 70-100e bigger than normally but now I keep garage plus degrees normally won't, so electricity bill is about the same now if you compare that heat for the garage what I still need. Let's see what happens after halfing that should I go to buy heat pump and keep only S5 running in the garage.
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January 14, 2016, 12:50:25 AM
 #45

Thanks for good reply torepia and rockyforever. My first post was little bit narrow minded,sorry. I am using miners as well to heat my house. I want to be part of network and collect some acknowledge about how bitcoin works and that's why I am mining right now. Heat it just extra that I use for. I have 2 x antminer s3, 2 x antminer s5, 1 x Dragon 1THs and one bitmain.ch 600ghs. Overall 5Ths hashpower and those keep warm my whole house (100m2) and garage. Here is about -5 to -35C degrees outside so all heat coming for purpose in winter time. Antminer S5s are good for garage because those are little bit a noisy there it won't trouble and S3s are good for bedrooms because those are quiet even running overclocked. I paid about 1200e for all these and those have been mined for 500e after I got those, electricity bill is about 70-100e bigger than normally but now I keep garage plus degrees normally won't, so electricity bill is about the same now if you compare that heat for the garage what I still need. Let's see what happens after halfing that should I go to buy heat pump and keep only S5 running in the garage.

I have my S7s blowing in through my HVAC and now have 3 Avalon 4.1 I bought from Droid in my house. My house is now too hot lol, I have to open the windows now in my house even though its 35f outside

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January 14, 2016, 07:33:03 PM
 #46

very very nice project !!!

 Cool


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January 14, 2016, 09:32:42 PM
 #47

I've just switched on a 2nd hand S1 in the cheapo version of the project.
Seeing the coldest nights of the year forecast for the w/e and plenty of sun for the solar panels, A little bit of extra heat is useful to me.

Unlike the writer, who is using an efficient S7, I'm sometimes using an old S1.  The quantity of bitcoin/Watt made is 10x less; the bitcoin mining is only a by-product of using a 2nd hand miner for heating.
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January 15, 2016, 12:24:15 AM
 #48

God that looks dangerous. Hopefully you have an extinguisher, smoke detector and insurance handy to keep your family safe.
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January 15, 2016, 12:35:51 AM
 #49

I am using 2 S7s to heat some rooms in my house. I was able to cut a hole into my hvac duct and utilize the warm air to blow into the hvac.

Below are a few pics and links to the items I bought to do this.

http://imgur.com/BPmFPK1
http://imgur.com/v5AAZH5
http://imgur.com/UEBJ4Q6
http://imgur.com/igWW4tr

The ducting I used that fits perfectly over the S7 fan and connected to the exhaust blower fan. I ran this from the miners to the a register box http://www.homedepot.com/p/Master-Flow-10-in-x-4-in-to-6-in-90-Degree-Register-Box-90RB10X4X6/100198141 . the register box was connected to the blow fan and than additional flexible duct was run to the hole in the hvac. It was sealed with foil tape. http://www.homedepot.com/p/Nashua-Tape-1-89-in-x-50-yd-322-Multi-Purpose-HVAC-Foil-Tape-1207792/100030120

http://www.homedepot.com/p/Master-Flow-6-in-x-25-ft-Insulated-Flexible-Duct-R6-Silver-Jacket-F6IFD6X300/100396935

The blow fan to suck the air from the S7s to my already existing hvac system. http://www.amazon.com/VenTech-VT-IF-6-B-Variable-Controller/dp/B005KMPN0K

EDIT

Sound Reduction Box made from scraps (looks stupid and ugly but effective)

Did this today. Was cleaning out garage and the PSU is loud (Finsky set-up, works amazing but sounds like a jet engine). My son (20 months) kept walking over to is and putting his finger on his lips and saying "shhhh"

Was bored so here it goes.....

So I decided to build a sound reduction box around the rigs and PSU to reduce the sound. This is by no means suppose to look nice, it was left over scraps. I used hvac aluminum tape, nails, screws, scrap wood and insulated with roxul safe 'n' sound insulation. http://www.homedepot.com/p/Roxul-Safe-n-Sound-3-in-x-15-1-4-in-x-47-in-Soundproofing-Stone-Wool-Insulation-12-Roll-RXSS31525/202531875 The insulation is amazing stuff, fireproof and sound reduction.

Video of roxul product under blowtorch https://www.youtube.com/watch?v=A5ipuxnIzyM

Pictures are below

http://imgur.com/um79DUE
http://imgur.com/fOECzyj
http://imgur.com/rIQxmbj
http://imgur.com/W4FJyuw
http://imgur.com/8nAQWac
http://imgur.com/X0Sg80F
http://imgur.com/c6Mapzj
http://imgur.com/foDBM0g
http://imgur.com/7K1kFt9



Very good
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January 15, 2016, 01:46:01 AM
 #50

God that looks dangerous. Hopefully you have an extinguisher, smoke detector and insurance handy to keep your family safe.

umm why? please explain. If your referring to the insulation you didnt read or click on the links provided.

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January 16, 2016, 06:59:00 AM
 #51

Older (read broken in) miners are safer to use if the exhaust is going to be inhaled directly.  If the heat is exchanged then there is no issue.

Newer miners (or any electronics for that matter) will give off more volatile chemicals when heated so consider that if you want to heat your house.  I won't say they'll cause cancer at a certainty but they are definitely not safe at higher concentrations.
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January 16, 2016, 06:18:22 PM
 #52

definitely not safe
BS WARNING ! BS WARNING ! BS WARNING ! BS WARNING ! BS WARNING !
So how many deaths and incurable diseases per million population would you expect from fumes from an S7 and how does that compare to the fumes from other heat sources such as a new fridge or a new microwave oven or a new coal fire ?
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January 16, 2016, 07:11:03 PM
 #53

hey guys...i have a question about this s7 antminer

I have ordered 2 from bitmain batch9 starting to deliver on 20 Jan,SO my question is :

Can you sleep in the same room with 2 s7 antminers working ?Smiley how loud are they realy?
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January 16, 2016, 08:56:27 PM
 #54

I don't have any S7; only the S1 which is a two year older design, so take this with a pinch of salt and let us know how you get on.
The S7 differs from the S1 in having push-pull twin fans, which should make it quieter for a given heat output, tri blade design (smaller fins) which should necessitate faster airflow, and 1300 Watts power in place of 360 Watts.  That is, I'd expect it to sound like too much of a jet turbine to try to sleep next to it.  It would be safe, just noisy.

On my S1, fans typically end up at 2000 rpm in normal weather increasing to 3600 rpm in warm conditions.  It is only quieter than that in the first half hour before it has warmed up or if underclocked to 2/3 of its design hashing rate.

I have slept in the same room as my running S1 without problem but usually prefer to shut the door on it because it is a little louder than the cooling fans of a server.

The other consideration is what to do with 2.6kW of heat, which is about the same as an electric oven.  Those tend to have a vent bashed through the brickwork and still make the room rather warm if used for a few hours.
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January 16, 2016, 08:59:58 PM
 #55

hey guys...i have a question about this s7 antminer

I have ordered 2 from bitmain batch9 starting to deliver on 20 Jan,SO my question is :

Can you sleep in the same room with 2 s7 antminers working ?Smiley how loud are they realy?

They are loud. Small jet engine. That insulated duct I linked has a bigger version (8x25, 10x25, 12x25). I can't remember which works perfect but Philip listed one that you can stick inside which will reduce the noise incredibly.

Which PSUs are you going to use? If you use the 1300 G2 that thing is quiet but if you use the 2880 ones they are too loud. The 4k package from finsky is quiet as heck but needs 208V + outlet, the 1300 G@ EVGA only needs 120v outlet.

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January 16, 2016, 09:01:32 PM
 #56

hey guys...i have a question about this s7 antminer

I have ordered 2 from bitmain batch9 starting to deliver on 20 Jan,SO my question is :

Can you sleep in the same room with 2 s7 antminers working ?Smiley how loud are they realy?

If you want a really quiet miner the Avalon 4.1 is quiet and can heat a room nicely. You can find them on Ebay or the marketplace section. They only do 1th/s but they are WAY quieter than the S5 which is comparable.

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January 16, 2016, 09:31:19 PM
 #57

hey guys...i have a question about this s7 antminer

I have ordered 2 from bitmain batch9 starting to deliver on 20 Jan,SO my question is :

Can you sleep in the same room with 2 s7 antminers working ?Smiley how loud are they realy?

If you want a really quiet miner the Avalon 4.1 is quiet and can heat a room nicely. You can find them on Ebay or the marketplace section. They only do 1th/s but they are WAY quieter than the S5 which is comparable.

you know the thing is that this is the main problem I have made the order for 2 PSU 1600 bitmain stuff for 140$ each,im guessing those are gonna be louder that the miner itself:)?
does any one know for sure?please would be realy helpfull
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January 16, 2016, 10:59:08 PM
 #58

hey guys...i have a question about this s7 antminer

I have ordered 2 from bitmain batch9 starting to deliver on 20 Jan,SO my question is :

Can you sleep in the same room with 2 s7 antminers working ?Smiley how loud are they realy?

If you want a really quiet miner the Avalon 4.1 is quiet and can heat a room nicely. You can find them on Ebay or the marketplace section. They only do 1th/s but they are WAY quieter than the S5 which is comparable.

you know the thing is that this is the main problem I have made the order for 2 PSU 1600 bitmain stuff for 140$ each,im guessing those are gonna be louder that the miner itself:)?
does any one know for sure?please would be realy helpfull


Just as loud as the miner. Not much to quiet both unless you stick in that insulated duct but even then that is lots of noise

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January 17, 2016, 04:00:04 PM
 #59

shit...ok thanks for you support guys !appreciate it
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January 17, 2016, 11:10:00 PM
 #60

gonna forward this to my boss Cheesy great job on posting here Cheesy

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