Topic: The winter mining setup (Read 4003 times)
Interesting. Is there any stats if your mining (cost vs mined value vs profit)?
Curious to check.
Mining in this winter can be a good deal. The temperature is low, and the price of bitcoins has gone up a lot. Now we are still looking for countries where electricity has become cheaper.
Bitcoins mining is a criminal offense in some countries, have I read?
Bitcoins mining is a criminal offense in some countries, have I read?
Guys, I beg your pardon, please tell me if the farm can work autonomously with minimum capacities and how long can it work in this mode?
Of course, there is a lot of all kinds of information on the net, but there it is very hard to trust it, because they first of all run up their product and therefore can print a lie.
Of course, there is a lot of all kinds of information on the net, but there it is very hard to trust it, because they first of all run up their product and therefore can print a lie.
Okay I live in Howell NJ
my largest location with gear is in Clifton NJ
about 100 kilometers
about 60 mies away
We had the lockdown for covid this year.
March till June. I did not go to the Clifton Location. 101 days. we had 82 pieces of gear running. When I came there in June we were down to 78.
So if you set it up correctly You need to show up every 60-90 days.
More units done correctly mean you can afford a few to drop off.
82 dropping to 78 not a big deal
8 dropping to 4 a big deal
You can use TeamViewer and a pc to maintain the gear.
This stays at the site
https://www.ebay.com/itm/Lenovo-M93p-Desktop-Tiny-PC-i5-4570T-2-9G-8GB-RAM-128G-SSD-Win10-Pro-OEM-Adaptor/353273064249?
You can access it from your pc at home.
4 to 6 visits a year is possible
Winter times best efficient and right times for mining. This saving hardware lives and give high perdormance and low electric cost. Colding very important factor
Crunch time and my farm has been down for a bit. The M20S outside is still a brick at the moment. The worst was my M10's went down a few days apart and I didn't have the time until recently to open the enclosure and troubleshoot. Was really missing that heat. Thankfully this was simple enough - all 3 needed a factory reset. I don't know why but they all lost the ability to launch cgminer. Wasn't to bad because up until 3 days ago our temperatures had warmed up significantly, so it worked out that I needed the heat again and finally had the time.
Worst part was my frankenstein chain of routers finally saw it's first failure after nearly 3 years, that made it tricky to figure out the issue originally.
Worst part was my frankenstein chain of routers finally saw it's first failure after nearly 3 years, that made it tricky to figure out the issue originally.
water from a garden hose and some dawn in a bucket of warm water 💦.
a few rub with an old wet tee shirt of soapy dawn water then rinse with the hose..
I then blow dry with a hair dryer. our miners are in a large ware house with multiple trucks that come into the warehouse seven days a week to pick up and distribute food.
we get a black grime that needs dawn to clean it.
a few rub with an old wet tee shirt of soapy dawn water then rinse with the hose..
I then blow dry with a hair dryer. our miners are in a large ware house with multiple trucks that come into the warehouse seven days a week to pick up and distribute food.
we get a black grime that needs dawn to clean it.
That is an awesome setup. Way to take advantage of the renovation period to find a very efficient way to heat the home. It's a weird problem running into the HVAC and the miners fighting each other for a stable temperature. I've never delved to deeply into the automation side or smart home systems. I would think though that you should be able to remove the home thermostat entirely from the equation for fan control. Have one upstairs that sends the heating/cooling demand to the fan circuits, and the main one is there to handle the house HVAC only. Maybe a different brand as you mention you think Ecobee is the issue there.
Thanks! My circuit will effectively be like what you mentioned - but more advanced. I will monitor the exterior temperature, the miner intake temperature, the temperature of the interior space being heated, and the temperature of the room the miner cabinet is located in - or the exhaust heat (toggle-able) if the room temp isn't an issue. This will allow for blending air from outside to keep the intake at proper temps if too cold - and with code changes and available relays also looping in cooling sources in warm weather. It will act as a thermostat for the interior heated space in terms of the miners. Just have to set the HVAC thermostat to heat just below and cool to just above. I will be integrating this with MQTT so as to allow some integration with home automation systems like OpenHAB for remote and dynamic adjustments as well as my only remote management site. The circuit will also have smoke detection built in so intake and exhaust sides of the miner cabinet can be monitored for smoke - allowing the circuit to power down everything. To be able to do that - it will also be able to turn on/off the miners via power relays. With the MQTT integration this would allow for remote shutdown and restart when software control to a miner cannot be gained remotely. Manual overrides on the circuit via push buttons and via the MQTT system to force airflow in whatever direction in preferred - outside or interior - or turning dynamic temperature control off - meaning fans blow outside, or and outright shut down. It's pretty cool! Most of this is already coded. I need to integrate the MQTT aspects and the intake blending - but the rest is done. The circuit is designed and the breadboard prototype is operational. It will have the main PCB and sub-PCBs for the remote temp/humidity sensors that will be connected via standard CAT5/5e/6 network cables with standard network wiring - so no special pin-outs. Sensors should be good out to around 200' if I recall properly (haven't looked for a bit on that spec).
I have more deeper areas to delve into on the home automation side as well - but MQTT helps with that as well.
Anyway - it has been a fun project and I'd say right now - between heat pump power and propane - it has saved us around $2500 dollars so far. I also put in a separate commercial service to the house - it REALLY cut down on the power bills. Home power is like $0.107/KWh and the commercial power feed is running a bit under $0.07/KWh. So right now - my S9's with stock firmware are still profitable even without the power and propane considerations on the home side. I'm still a happy camper at the moment!
a suggestion is get washable air filters. other then that i truly like your setup.
https://www.amazon.com/gp/product/B0013QYB3W
you can find them for less then the one above.
we have about 12 for our setup.
https://www.amazon.com/gp/product/B0013QYB3W
you can find them for less then the one above.
we have about 12 for our setup.
Thanks @philipma1957! I just may get those. I have been buying low priced MERV 3/4 throw aways - at 12 for $36 - so that gets me to about $144 per year - so in a little over 1 year these would pay for themselves and they look like they would be easier to deal with as well. Do you use either of the cleaning/deodorizing sprays they suggest? Considering these do have the air coming into the home air space - what would be your though on these from your experience? That adds another $50 to the cost for these two sprays per what time frame...
a suggestion is get washable air filters. other then that i truly like your setup.
https://www.amazon.com/gp/product/B0013QYB3W
you can find them for less then the one above.
we have about 12 for our setup.
https://www.amazon.com/gp/product/B0013QYB3W
you can find them for less then the one above.
we have about 12 for our setup.
That is an awesome setup. Way to take advantage of the renovation period to find a very efficient way to heat the home. It's a weird problem running into the HVAC and the miners fighting each other for a stable temperature. I've never delved to deeply into the automation side or smart home systems. I would think though that you should be able to remove the home thermostat entirely from the equation for fan control. Have one upstairs that sends the heating/cooling demand to the fan circuits, and the main one is there to handle the house HVAC only. Maybe a different brand as you mention you think Ecobee is the issue there.
I have 12 miners running on my bottom floor - almost a basement - but not. It is still in renovation stage. So, I have a place where two large windows are going to eventually go. I have 2 gable fans mounted on the wall where the windows will go to blow air outside with automatic gable shutters over them. In front of this, I built a cabinet with a division wall between the front of the miners and the exhaust side. The exhaust side encloses the 2 gable fans that blow outside. The front side is enclosed using 4 1"x16"x20" MERV3 air conditioning filters to filter the incoming air from the room. Then on the top of the enclosure - also pulling air out of the exhaust side I put 2 more gable fans that blow the air up. I then built a duct over top of these two fans that bring the air through a 2'x2' hole in the floor going into the main floor of the house (second floor). Next to this 2'x2' hole is another 2'x2' hole - all with side walls and chicken wire put over them so stuff cannot fall into them - including pets. This second 2'x2' area allows air from the main floor to flow into the bottom floor - creating a way for air cycling without having to use the HVAC system fans to try to move the air around. Besides that - the HVAC cannot match the air flow capacity of the gable fans. I have all 4 gable fans on smart outlets. I use an Ecobee 3 thermostat in the house. It can be used with IFTTT to turn on/off the two pairs of fans based on the house internal temp. However, I ran into issues where IFTTT alone was not switching all 4 fans at the same time - sometimes with a few minutes delay - not cool. So, I found the servie APILIO.com that allows deeper logic programming integration with IFTTT. So now, when the temp in the house goes below 69F in the house - IFTTT sets a boolean variable on APILIO to true. This triggers APILIO to turn off the 2 outside fans and turns on the 2 inside fans - this happens practically simultaneously - MUCH better then IFTTT doing it. And equally, if the inside temp goes above 69F, then the APILIO variable of set to false and then APILIO then turn off the 2 fans blowing inside and turns on the fans blowing outside.
With my 8 - S9's and 4 -L3+/++ units - in central - higher elevation WV (USA) I can heat our 1800sqft house down to about 12F outside temps. The 3000+cuft per minute of air flow from 2 gable fans cycles the air fast enough that it heats the house faster than out central HVAC system does. With the cabinet built as is and the ducting (about 8') horizontally away from being directly over the miners - the miner sound is really very mild.
I keep the Ecobee set to heat the house if the inside temp goes below 68 and to cool it to 70. So the house usually sits very nicely at 69 without the HVAC system comming on at all in winter and only to cool in warmer weather. As the miners are blowing outside in that case it works very well. The bottom floor usually stays in the 60's on its own - which actually help to cool the miners in summer. I allow outside air to come into the bottom floor as well so that it doesn't pull cooled air from the house when the HVAC is trying to cool.
The biggest issue I have had so far is Ecobee has been having problems for a while now where they are not pushing the house temp changes to IFTTT consistently - so, on occasion the house ends up at 75+ degrees with the HVAC trying to cool it back to 70 or the heat kick on on the HVAC because the miners are still having their warm air blown outside. I use Amazon Alexa and have setup routines there so that I can tell Alexa to send the miner heat inside or outside - but I cannot do it based on thermostat readings from there - at least that I have figured out yet. But still it is working much more than not - it has it's phases. Sometime this is working very well, other times there are days in a row where it is constantly messing up and has to be manually dealt with. Again - I currently believe Ecobee is 99.9% of the problem.
I am 95% done with a custom circuit design to take this logic over completely - including all temp sensors, fan relays, etc. All designed and coded - but need to get the PCBs made and then I can build it. Then the Ecobee problem goes away.
The 2'x2' holes in the floor are also temporary as this is in the location where a set of stairs will be built from the main floor to the bottom floor - probably this summer.
This has almost completely heated our home for last winter and this. Only a few times - while it is working properly - has the HVAC needed to kick in for lower temps that the miners could not handle on their own. We filled our propane tank before last winter and the gauge has barley moved since. We have a heat pump on the HVAC - but the miners have rendered it useless for heating as the heat well below its cutover point from heat pump to switching over to the propane aux heat. It does still handle the cooling though.
Once the reno is done - I will still blow the fans out of the installed windows and will be adding a duct from outside that can be blended with inside air so that when the weather get too cold for the miners to run - the air can be blended on the intake to warm it a bit. They don't like running near the freezing point. In my top duct into the main floor - I have a small opening there that allows some of the heat to go down there to help heat the bottom floor a bit. As it is still open to outside air - in the low 20's the air in the bottom floor will approach freezing - with this little opening - it keeps it in the low to mid 40's.
I'm really overall pretty happy with it - and will love it when my circuit is in my hands
These images are before I added in the top fans and duct to upstairs.
With my 8 - S9's and 4 -L3+/++ units - in central - higher elevation WV (USA) I can heat our 1800sqft house down to about 12F outside temps. The 3000+cuft per minute of air flow from 2 gable fans cycles the air fast enough that it heats the house faster than out central HVAC system does. With the cabinet built as is and the ducting (about 8') horizontally away from being directly over the miners - the miner sound is really very mild.
I keep the Ecobee set to heat the house if the inside temp goes below 68 and to cool it to 70. So the house usually sits very nicely at 69 without the HVAC system comming on at all in winter and only to cool in warmer weather. As the miners are blowing outside in that case it works very well. The bottom floor usually stays in the 60's on its own - which actually help to cool the miners in summer. I allow outside air to come into the bottom floor as well so that it doesn't pull cooled air from the house when the HVAC is trying to cool.
The biggest issue I have had so far is Ecobee has been having problems for a while now where they are not pushing the house temp changes to IFTTT consistently - so, on occasion the house ends up at 75+ degrees with the HVAC trying to cool it back to 70 or the heat kick on on the HVAC because the miners are still having their warm air blown outside. I use Amazon Alexa and have setup routines there so that I can tell Alexa to send the miner heat inside or outside - but I cannot do it based on thermostat readings from there - at least that I have figured out yet. But still it is working much more than not - it has it's phases. Sometime this is working very well, other times there are days in a row where it is constantly messing up and has to be manually dealt with. Again - I currently believe Ecobee is 99.9% of the problem.
I am 95% done with a custom circuit design to take this logic over completely - including all temp sensors, fan relays, etc. All designed and coded - but need to get the PCBs made and then I can build it. Then the Ecobee problem goes away.
The 2'x2' holes in the floor are also temporary as this is in the location where a set of stairs will be built from the main floor to the bottom floor - probably this summer.
This has almost completely heated our home for last winter and this. Only a few times - while it is working properly - has the HVAC needed to kick in for lower temps that the miners could not handle on their own. We filled our propane tank before last winter and the gauge has barley moved since. We have a heat pump on the HVAC - but the miners have rendered it useless for heating as the heat well below its cutover point from heat pump to switching over to the propane aux heat. It does still handle the cooling though.
Once the reno is done - I will still blow the fans out of the installed windows and will be adding a duct from outside that can be blended with inside air so that when the weather get too cold for the miners to run - the air can be blended on the intake to warm it a bit. They don't like running near the freezing point. In my top duct into the main floor - I have a small opening there that allows some of the heat to go down there to help heat the bottom floor a bit. As it is still open to outside air - in the low 20's the air in the bottom floor will approach freezing - with this little opening - it keeps it in the low to mid 40's.
I'm really overall pretty happy with it - and will love it when my circuit is in my hands
These images are before I added in the top fans and duct to upstairs.
Well winter has finally hit so I can think about moving more hashrate into the house. I was provided a LP firmware, but am waiting on Yang to send me a file of what I currently have loaded - Not sure I can just pull it from the miner at least nothing I've seen shows me how or where to find it.
The numbers that where mentioned to me should drop me off about 16TH at normal level but that should drop it quiet enough to move in next to the M10's. More than a good trade off as I won't be paying to heat the garage anymore. We'll see how it goes I may still fire up the 741's that are just waiting collecting dust at the moment.
I was hoping to get one of the hotmine space heater miners but they haven't responded after sending me shipping costs through Christmas which I was good with. I might try them again, but I hate chasing people to give them money.
Been a weird few months for me so I've been slow and less enthusiastic about doing things. Pretty much through and past that so there will be updates on this regardless in a few days... I may even just upgrade the firmware and move it then I can wait on the other version from support. I'll update my M20S thread with power draw readings and numbers once done.
The numbers that where mentioned to me should drop me off about 16TH at normal level but that should drop it quiet enough to move in next to the M10's. More than a good trade off as I won't be paying to heat the garage anymore. We'll see how it goes I may still fire up the 741's that are just waiting collecting dust at the moment.
I was hoping to get one of the hotmine space heater miners but they haven't responded after sending me shipping costs through Christmas which I was good with. I might try them again, but I hate chasing people to give them money.
Been a weird few months for me so I've been slow and less enthusiastic about doing things. Pretty much through and past that so there will be updates on this regardless in a few days... I may even just upgrade the firmware and move it then I can wait on the other version from support. I'll update my M20S thread with power draw readings and numbers once done.
With the latest SW/FW from Canaan they made the A841 easy-peasy to turn into a heater. As I said before, just use the Low Power mode and in the additional commands use:
--Avalon8-fan 10-30
You now have an instant quiet heater pulling around 750W and giving around 8.5THs. When it 1st starts up for the next 3 minutes the fans run at 100% while the miner does some tests. After the 3 minutes have elapsed -- near silence In a room around 72F and lower the fan coasts along at only 15-20% speed and is extremely quiet, in a room 75F and higher it will run up to 30% fan speed and yet still be very quiet. At 30%miner fan speed the fan in the APW3++ PSU I use is louder.
The only drawback to them is the need to use a RasPi controller in each location you have them though of course you can run multiple miners in each location off the 1 controller.
--Avalon8-fan 10-30
You now have an instant quiet heater pulling around 750W and giving around 8.5THs. When it 1st starts up for the next 3 minutes the fans run at 100% while the miner does some tests. After the 3 minutes have elapsed -- near silence
In a room around 72F and lower the fan coasts along at only 15-20% speed and is extremely quiet, in a room 75F and higher it will run up to 30% fan speed and yet still be very quiet. At 30%miner fan speed the fan in the APW3++ PSU I use is louder.The only drawback to them is the need to use a RasPi controller in each location you have them though of course you can run multiple miners in each location off the 1 controller.
I prefer using Canaan's Avalon 841 for quiet heaters. I have a few spread around our facility and a couple at home.
In low-power mode and fans set 30% max can be used in TV room and even bedroom if ya don't mind a little white noise from whatever PSU you use. Will run at 8.5 THs or better.
In low-power mode and fans set 30% max can be used in TV room and even bedroom if ya don't mind a little white noise from whatever PSU you use. Will run at 8.5 THs or better.
yeah the a841 was really good to use for a heater.
in many ways my favorite miner from avalon.
we are getting a pair of a1066 units soon. i will see if i like them.
If I remember right Kano had a sweetspot setting for running a 741 in their living room. A lot of the older gear was easy to tweak to get it right to where you wanted it. Most people though only wanted the max hash. Now that they are either unprofitable or close to it, they make great little heaters if they were sitting around. I would love to run some of this gear in certain spots around the house, but it's not practical for me to do anything other than turn my basement into my furnace air exchange.
On that note, today we had a random power outage. I don't know the specifics of Transformers on a pole but what I could tell was a switch up there was open. We have new neighbors and are the end of the line so I'll blame them. It was nice having that extra heat in the basement as I just opened the door to let it flow up naturally and keep the kiddos warm while they played DS. Only took the utility company a few hours to pop out and repair, but in an old drafty house with one room gutted waiting for insulation I was glad to have an unseasonably warm day. Super happy I didn't have any hardware issues firing back up either.
On that note, today we had a random power outage. I don't know the specifics of Transformers on a pole but what I could tell was a switch up there was open. We have new neighbors and are the end of the line so I'll blame them. It was nice having that extra heat in the basement as I just opened the door to let it flow up naturally and keep the kiddos warm while they played DS. Only took the utility company a few hours to pop out and repair, but in an old drafty house with one room gutted waiting for insulation I was glad to have an unseasonably warm day. Super happy I didn't have any hardware issues firing back up either.
I prefer using Canaan's Avalon 841 for quiet heaters. I have a few spread around our facility and a couple at home.
In low-power mode and fans set 30% max can be used in TV room and even bedroom if ya don't mind a little white noise from whatever PSU you use. Will run at 8.5 THs or better.
In low-power mode and fans set 30% max can be used in TV room and even bedroom if ya don't mind a little white noise from whatever PSU you use. Will run at 8.5 THs or better.
The s17pro set to low speed is okay.
Or a modded s9 see my s9 mod thread.
https://bitcointalksearch.org/topic/what-to-do-with-all-the-old-s-9s-5160194
https://www.youtube.com/watch?v=Rzkub23R8QU
https://www.youtube.com/watch?v=Ztc7XIX_Jtg
https://www.youtube.com/watch?v=rvHlfQpNH38&t=338s
also look at my youtube videos on a sound tunnel
https://www.youtube.com/watch?v=DySrCBras3w&t=15s
https://www.youtube.com/watch?v=QbH79FdVxpE&t=3s
https://www.youtube.com/watch?v=M-9sGDZAWEM
https://www.youtube.com/watch?v=_Mqxy28jPvw&t=1s
https://www.youtube.com/watch?v=hlB5LikKeiw&t=4s
Or a modded s9 see my s9 mod thread.
https://bitcointalksearch.org/topic/what-to-do-with-all-the-old-s-9s-5160194
https://www.youtube.com/watch?v=Rzkub23R8QU
https://www.youtube.com/watch?v=Ztc7XIX_Jtg
https://www.youtube.com/watch?v=rvHlfQpNH38&t=338s
also look at my youtube videos on a sound tunnel
https://www.youtube.com/watch?v=DySrCBras3w&t=15s
https://www.youtube.com/watch?v=QbH79FdVxpE&t=3s
https://www.youtube.com/watch?v=M-9sGDZAWEM
https://www.youtube.com/watch?v=_Mqxy28jPvw&t=1s
https://www.youtube.com/watch?v=hlB5LikKeiw&t=4s
Ceiling insulation there is paper backed fiberglass roll. It's stapled along the sides. Two car garage that's about 6' wider and 8' deeper than typical two car garages. So it would be a task to remove/replace insulation. Because I would want it back in place for the summer months.
Putting a miner in the back patio wouldn't be a feasible plan for me. I'd need it completely silent, as that space has become the primary activity area 24/7. That's were my 65" and Xbox are. And my chair. You know us old guys have our chair.
The miners in the garage is the perfect spot for their noise. Can barely hear them in the room above, right next to elec service panel, and the garage is rarely used other than the wife parking her Benz in there. And the easiest place to duct exhaust heat out.
Slight slope to the property, so garage entrance is street level, back wall of garage ends up about 6-7' below grade. But the second story, at grade in the rear of the property, cantilevers out past the first floor/basement foundation wall about 2'. On the left back corner of the garage, that cantilever soffit sits about 12" above grade. So, with the miners on a shelf at the back left corner of the garage at the back wall, ducts only have to run about 2' to go over the top of the block foundation wall, and dump outside thru that soffit
Putting a miner in the back patio wouldn't be a feasible plan for me. I'd need it completely silent, as that space has become the primary activity area 24/7. That's were my 65" and Xbox are. And my chair. You know us old guys have our chair.
The miners in the garage is the perfect spot for their noise. Can barely hear them in the room above, right next to elec service panel, and the garage is rarely used other than the wife parking her Benz in there. And the easiest place to duct exhaust heat out.
Slight slope to the property, so garage entrance is street level, back wall of garage ends up about 6-7' below grade. But the second story, at grade in the rear of the property, cantilevers out past the first floor/basement foundation wall about 2'. On the left back corner of the garage, that cantilever soffit sits about 12" above grade. So, with the miners on a shelf at the back left corner of the garage at the back wall, ducts only have to run about 2' to go over the top of the block foundation wall, and dump outside thru that soffit
Yeah that's a tough call on what would be best. I hate the idea of "wasting" any of the heat I produce in winter, because I have to pay for it anyways. I'm all for temp modifications/demolitions to make it happen. Within reason of course as I'm not looking to add to my costs. In your case how is the ceiling insulation secured in the garage? Most attached garages are sealed against CO, but if it isn't and you don't run a car in there, you could always pull down the insulation for the winter while you ran the miners in there. It would help warm the floor and transfer some heat. If you are handy with carpentry I've seen a couple of boxes built, for noise reduction you could extend one of the circuits out to your patio area and run a single miner in a box venting to the space for heat. It does make sense to keep the garage heated though, as you said it shares a non insulated wall with the house.
When I first got into BTC I was talking with a guy who I never did meet but was only supposed to be a few hours away. He was working on using a rad system to heat his shop space. I wonder if he ever got that off the ground. He was going to run the infloor heating through an old radiator he had sitting around, then point a couple of S9's at it.
When I first got into BTC I was talking with a guy who I never did meet but was only supposed to be a few hours away. He was working on using a rad system to heat his shop space. I wonder if he ever got that off the ground. He was going to run the infloor heating through an old radiator he had sitting around, then point a couple of S9's at it.
My garage is partially insulated and partially sealed. In that, the ceiling has older insulation, but heat/cold still move thru it, but at a rate greater than newer homes. There is no wall insulation between the garage and the other part of the downstairs.
As far as sealed, the two garage doors are insulated, but don't seal up tight. The exterior man door is poorly weatherstripped, and the door to the interior is just a basic hollow core door. It's actually just about the perfect amount of "not fully sealed and insulated."
Running three miners ducted outside does not draw negative pressure in the garage like a properly sealed room would.
It's just gonna be a balancing act to warm up the garage and let it bleed thru to the rest of the house, vs making too much heat in the garage where the miners draw their intake air.
In a perfect world, I'd spend a few hundred more bucks and run the exhaust ducts into one collection box. Then duct that another 30' outside along the back of the house to the finished enclosed patio area, with a high cfm inline fan. The enclosed patio is not tied into the house radiator system and uses elec baseboard heat/window ac
As far as sealed, the two garage doors are insulated, but don't seal up tight. The exterior man door is poorly weatherstripped, and the door to the interior is just a basic hollow core door. It's actually just about the perfect amount of "not fully sealed and insulated."
Running three miners ducted outside does not draw negative pressure in the garage like a properly sealed room would.
It's just gonna be a balancing act to warm up the garage and let it bleed thru to the rest of the house, vs making too much heat in the garage where the miners draw their intake air.
In a perfect world, I'd spend a few hundred more bucks and run the exhaust ducts into one collection box. Then duct that another 30' outside along the back of the house to the finished enclosed patio area, with a high cfm inline fan. The enclosed patio is not tied into the house radiator system and uses elec baseboard heat/window ac
Nice. Unless your garage roof is sealed and insulated then you will definitely benefit from the warmer garage. If it is sealed and insulated then it will just heat the garage for the most part. I had to do something similar with 1 of my M10's before I moved them in the house as my garage temps were dropping to low to keep the machines running stable. So it was exhausting to the other 3 miners, and was removed back from the outside air intake.
I'm a couple days away from having my M20S in the house now. So far noise is a complete non-issue, but there may be to much heat. The basement is warm, probably near 25C. while the rest of the house is closer to 19C. I have a few older doors, that I think I will modify to be partially screened and replace the door at the top of my basement stairs. I can close the 2 vents near there and force more airflow to the second floor. I know I could run 1 or 2 M10's in LPM, but I just don't want to after the success in noise reduction.
I'm a couple days away from having my M20S in the house now. So far noise is a complete non-issue, but there may be to much heat. The basement is warm, probably near 25C. while the rest of the house is closer to 19C. I have a few older doors, that I think I will modify to be partially screened and replace the door at the top of my basement stairs. I can close the 2 vents near there and force more airflow to the second floor. I know I could run 1 or 2 M10's in LPM, but I just don't want to after the success in noise reduction.
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