21Energy Ofen 2 – Earn Smart Bitcoin Heater

Not just heat. The Ofen 2 is warmth with purpose: sleek on your wall, silent in your home, and quietly mining Bitcoin as it keeps you comfortable. Pure function, pure freedom.

Key Features:

• Wall-mounted design with premium finish
• Mining power: up to 35 TH/s while heating up to ~50 m²
• Noise level: 32 dB – as quiet as a fridge
• Size: 90 × 32 × 14 cm
• Weight: 24 kg
• Power consumption: ~1000 W
• Built in Austria, CE-compliant, 30-day returns, FREE SHIPPING provided by 21energy

The operation of the Ofen can save up to 3 tons of CO₂ per year compared to conventional heaters, which underlines the environmentally friendly nature of the appliance. In addition, the Heater is CE-compliant and meets the highest safety standards.

All the heaters are equipped with a special operating system designed to prevent overheating by shutting down the device beforehand.

Yes, our products are designed for use in residential spaces like traditional homes. They are conventional electrical appliances. Therefore, the usual precautions for children apply.