Heatbit has spent the past few years selling space heaters and air purifiers that also mine bitcoin, earning a CES Innovation Award along the way and drawing reviews from outlets like Wired and The New York Times. The Delaware-based company, founded around 2020 by Alex Busarov, is now taking the same idea into the utility closet with Bitwater , a replacement heating element that screws into the electric water tanks already found in many households and uses bitcoin-mining chips to generate the heat.

Introducing Bitwater: the water heater element that mines Bitcoin.

It screws into the electric tank you already have.

Physically decentralized mining that runs no matter what 🧵

Heat water. Mine Bitcoin. Same tank. pic.twitter.com/pRdxPbmpXM

— Heatbit (@heatbit_com) October 22, 2026

According to Heatbit, Bitwater replaces the resistance wire in a standard electric water-heater element with twenty Bitmain BM1370 mining chips.…