Antminer S21 Hydro (Bitcoin Heating)

Bitcoin Appliances

The Bitmain Antminer S21 Hydro is a water-cooled Bitcoin ASIC miner designed for liquid heat recovery applications. Unlike air-cooled models, it pumps hot water (up to 60°C) through a heat exchanger, making it ideal for district heating, swimming pool heating, greenhouse climate control, and industrial hot water systems powered by Bitcoin mining. At 335 TH/s with 5360W power draw, it delivers substantial heat output. Several European and North American deployments use the S21 Hydro to heat buildings while mining Bitcoin commercially.

Details

Price: ~$3,000–$5,000
Cooling: liquid
Based On: Antminer S21 Hydro (liquid-cooled for silent home heating)
Hashrate: 335
Price Usd: 3000-5000
Efficiency: 16
Device Type: hydro_asic_miner
Form Factor: rack_mount
Hashrate Th: 335
Open Source: No
Power Watts: 5360
Applications: district heating, pools, greenhouses
Bitcoin Only: Yes
Manufacturer: Bitmain
Heat Recovery: water (up to 60°C)

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