This Bitcoin Boiler Pays for Itself in 2 Years

Elmeri Suomi runs a heating company that happens to mine Bitcoin. His product, the SunBit Bitcoin Boiler, drops one or two hydro-cooled ASICs into a water tank, heats a house to 60°C, and lets the mining revenue pay the power bill — in the best case leaving the homeowner in profit on their heating. He started in water-to-air heat pump sales, began mining as a hobby in 2020, and founded SunBit in 2023 once the two worlds clicked.

In this episode we get into the economics that make consumer-scale mining work at 7–12¢/kWh power: not fat mining margin...