Bitmain Antspace HK3

Bitcoin Appliances

The Bitmain Antspace HK3 is a containerized Bitcoin mining solution with integrated liquid cooling and heat recovery. Designed for small-to-medium operations that want to capture waste heat for buildings, greenhouses, or district heating.

Details

Notes: Immersion cooling container unit for ASIC miners, commercial-grade
Category: Commercial Immersion Cooling
Hashrate: varies (commercial)
Hash Rate: Container-scale
Price Usd: 15000+
Power Watts: varies
Price Range: Commercial pricing
Product Type: container_miner

Links

twitter

More Bitcoin Appliances

Heatbit

Heatbit is a Russian-designed, internationally available Bitcoin mining space heater that combines air purification, space heating, and Bitcoin mining in a single home appliance. The Heatbit Trio generates approximately 35 TH/s and 1,000W of heating power, while the Heatbit Maxi Pro offers up to 60 TH/s and 2,000W. The devices are UL-certified for home safety and connect to the Heatbit app for monitoring earnings. Heatbit positions itself as a lifestyle product that earns Bitcoin passively while serving a practical heating function.

Superheat

Bitcoin mining water heater that generates BTC while heating your water. Unveiled at CES 2026, claims ~$1K/year in BTC rewards plus 80% utility bill offset. Repurposes mining heat into practical home use.

21energy

21energy is a Swiss startup that manufactures Bitcoin-powered smart space heaters for homes and offices. The company's heaters use ASIC mining chips to generate both Bitcoin and heat simultaneously, turning electricity costs into dual-purpose outputs. Products are sold primarily in Europe and feature smart home integrations and remote monitoring.