Awesome project! I'm in.
I was also thinking about some extra heat utilization caused by mining. Sure, all miners were thinking that

The only question I got what if mining become not profitable at all? Is there Plan B?
This is a very good idea because it helps to exploit bitcoin without consuming electricity, which is very useful for protecting the environment sustainably. I think that in the future there should be more use of clean energy-using crypto farms to help protect the environment.