Wanted to share my company’s second heating system project the Bitcoin Boiler.
We have been building and installing immersion and hydro heating systems in Finland for 2 years now.
Our current heating system is designed to both home heating and small scale industrial use cases.
Boiler holds 1-2 Hydro antminers and produces 5,3 - 11 kW of heat.
System has realy which is controlled by spot electricity price.
System pushes 60C degrees into a puffer tank, 3way valve controlled with thermostat so that during summer extra heat is pumped to a drycooler outside.
What do you think?
I would like to have some feedback and ideas. We have sold our systems so far just locally but this year we are aiming to build our online shop and start to sell it worldwide.
Here are couple pictures and our website etc:
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This is awesome. Few questions:
- Is it three phase power? We can’t use Bitmain hydro miners here in the states for residential applications because homes only have single phase power.
- Are you doing any software control to ramp up and down mining power? Or just with the 3way valve?
- Is the dry cooler necessary? What if you only want to mine when you want heat?
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Yes, the system is three phase since every house in the nordics has at least a 3 x 25A main electrical cabin. I have to consider changes if and when im able to go to the us market somewhere in the future hopefully 
Im currently doing it with a relay witch follow ecletricity spot price. I have tried to find softwares that could help with ramp up / ramp down according to temperatures but haven’t figured that one out yet.
Do you have any ideas or recommendations. I read about LUXos but im not sure if its compatible with s21 hydros.
-Yes and no. If we install the software to ramp up/down then its not necessary. Often electricity price is near 0-5cents per kWh during summer time so its extra income for the household.
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