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Ofen Pro Heater/Miner

Regular price26.106,00 kr Sale price

Power: 500-1000 Watt

Area heated: up to 40 m²

Noise level: whisper quiet under 40dB at 500 watts

Mining power: up to 40 TH/s, efficiency up to 20 J/TH (+-10%)

Ease of use: simple thanks to plug & play commissioning

Warranty & safety: 1 year warranty & very affordable spare parts available - CE compliant

Pre-order: Delivery from April 2024

Product details

  • Power & ease of use: The Ofen Pro from 21energy offers a heat output of up to 1000 watts and enables uncomplicated plug & play commissioning for particularly easy handling. This combination of performance and user-friendliness enables effortless use and optimum heat supply. Simple connection via WLAN and initial configuration takes just a few minutes. With the supplied operating instructions and a video tutorial, installation is very easy and child's play even for non-technical users.


  • Heating technology & volume: Thanks to the innovative combination of convection and radiation, the heater provides even heat distribution. Even at its high output, the Ofen Pro remains extremely quiet and ensures quiet operation with less than 40 dB at 500 watts, creating a pleasant room climate.


  • Design & mining power: The striking octagon design made of high-quality, black matt-painted steel not only gives the heater an aesthetic appearance, but also ensures robustness and durability. With a mining power of up to 40 TH/s and an efficiency of up to 20 J/TH, the Ofen Pro offers impressive performance.


  • Protection & durability: The air and dust filters of the Ofen Pro provide effective protection against dirt deposits in the appliance, protecting the internal hardware and extending the life of the heater. The galvanized sheet metal provides durability and corrosion resistance, ensuring reliable use of the heater in a wide range of conditions.


  • Mining pool: The built-in Antminer S19 is compatible with various mining pools and can also be used for solo mining.


  • Operating system: The Ofen Pro comes with the Braiins OS+ operating system, which offers automatic optimization and increases efficiency by up to 30%. This auto-tuning function enables improved cash flow and a higher hashrate of up to 30% with the same power consumption.


  • Savings potential: The savings potential of the Ofen Pro depends on individual energy costs and Bitcoin mining profitability. Calculate your individual heating cost savings now with our profitability calculator.


  • Savings potential: The savings potential of the Ofen Pro depends on individual energy costs and Bitcoin mining profitability. Calculate your individual heating cost savings now with our profitability calculator.


  • Origin: The Ofen Pro was developed and manufactured in Austria. This not only underlines its high-quality production, but also its commitment to quality, innovation and sustainability.
  • Measurements and weight: 58x38cm, 27kg