By Isaac • October 23, 2026 7:08 am •
Bitcoin mining has always had a heat problem. Heatbit is trying to turn that problem into the product.
The company has introduced Bitwater, a $899 replacement element for an electric water heater that mines Bitcoin while it warms the tank. Instead of paying for electricity twice—once for computing power and again for household hot water—the pitch is to make the same watts do both jobs.
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That is a much more interesting idea than another countertop miner with a fan attached. A water heater already converts electricity into heat.
Bitcoin mining equipment produces heat as a byproduct of hashing. Bitwater attempts to put that byproduct exactly where a home already needs it.
Decrypt reports that the $899
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