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Heatbit introduces water heater element that doubles as a Bitcoin miner

The Bitwater is designed for compatible tank-based heaters in the US and Canada, with the first batch scheduled to ship in the first quarter of 2027.

By Mei Ling Tan

Illustration of an electric water heater beside a computer chip
Photo: Notebookcheck

Heatbit has unveiled a Bitcoin-mining device called Bitwater that replaces an existing heating element in a household electric water tank. Shipments of the initial Genesis batch are scheduled for the first quarter of 2027.

According to Heatbit, 20 BM1370 ASIC chips provide a mining rate of up to 34 TH/s and continuous heat output of up to 600 watts. The company says the device can mine Bitcoin without increasing the electricity bill. Mining requires a Wi-Fi connection, and users can choose another pool instead of Heatbit’s.

Intended for do-it-yourself installation, Bitwater fits compatible tanks sold in the US and Canada with capacities of 30 to 80 gallons and a 1-inch NPSM screw-in connection. Models from Rheem, GE, Kenmore and Whirlpool are among those supported.

Heatbit says lower operating temperatures reduce limescale accumulation, while a titanium anode helps prevent corrosion. The company also says water-contact components satisfy NSF/ANSI/CAN 372 lead-free requirements and comply with the US Safe Drinking Water Act.

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