The simpler case of an electric-only bitcoin miner-heater would be great. For example knowing how many BTUs is required to heat, the cost of electricity and what return might be expected from mining. Electric heating is brutally expensive in Canada (in Ontario, at least) - anything that could offset that expense would be great. Imagine buying one of these at Best Buy!
I haven't done the math, but a few factors to consider:
Additional infrastructure cost of genny
Extent of efficiency losses (new vs old genny)
Price of sats now vs future (some will mine at loss anticipating appreciation)
Some folks have looked into similar set ups
https://x.com/SoftwarmLLC/status/1850585505018323227?t=QUQTXV96EsupXd1YnKfp_g&s=19
Though most just use grid power and recycle heat from what I've seen (they've reported lowering nat gas costs, but can't find tweet rn & to what extent it offsets power cost)
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