Cash flow heaters?
Plug in, heat sustainably, hash and make money*! This is the future of heating with Bitcoin heaters from 21ENERGY. In addition to waste heat, these produce a permanent cash flow by calculating 10 to 120 trillion computing operations per second using high-performance computers. In this way, you reduce your heating costs*, save tons of CO2, stabilise the electricity grid and at the same time ensure the sensible use of surplus renewable electricity.
From whisper-quiet heating systems for your living room to large-scale business solutions for commercial and industrial applications, we have the perfect heating solution for your needs.
Made in Austria
Niko Jilch travelled to our factory in Tyrol and looked over the shoulders of Max and Lukas as they produced our Bitcoin heaters. We spoke to him about the history & future of 21ENERGY. We have also explained in detail why 21ENERGY Bitcoin heaters can be worthwhile for almost everyone:
Known from
Austrian Blockchain Award 2023
Only four months after our founding, 21ENERGY was already nominated as the best Austrian Blockchain Start-Up 2023.
Our new product:
S9 mini
| Heating capacity | up to 750 watts |
| Calculations | up to 10 TH/s |
| Efficiency | 100% |
| Silent Heating | as low as 40 dB |
| CO² savings | up to 3 tonnes / year |
| Space-saving & lightweight | 35 x 35 x 52 cm, 19 KG |
| Delivery from | Beginning/mid-December |
€ 460 / year Cash flow (48- months moving average)
Up to 10 trillion calculations per second
Highest efficiency thanks to latest hardware generation
Silent Heating: best suited for the living room
Bitcoin Heater S19
| Heating capacity | up to 2,800 watts |
| Calculations | up to 120 TH/s |
| Efficiency | 100% |
| Silent Heating | as low as 45 dB |
| CO2 saving | up to 10.8 tons / year |
€ 9.110 / year Cashflow (48- months moving average)
Up to 120 trillion calculations per second
Highest efficiency thanks to latest hardware generation
Silent Heating: best suited for the living room
Highest customer satisfaction
Media
Discover everything about us and our innovative Bitcoin heaters in words, sounds and pictures! Find out how our passion for advanced technology helps you to heat more efficiently, save money and why financial journalist Nico Jilch, for example, is enthusiastic about 21ENERGY.
You can find more reviews and opinions about our products here:
Blog
The Ultimate Bitcoin Heating Guide – Why Bitcoin Heaters Are Driving the Energy Transition
Bitcoin is not only revolutionizing the financial system, but also offering innovative solutions in other areas. One such innovation is Bitcoin heating, a method that balances environmental friendliness and...
BTC23 conference
BTC23 – The largest German-speaking Bitcoin conference Innsbruck was from 14th to 17th. September with the BTC23 conference will be the hotspot for German-speaking Bitcoin enthusiasts, as well as...
Blocktrainer Beach 2023
On Sunday, 23.07.2023, the Blocktrainer Beach Event took place in Oberhausen.At Germany’s biggest Bitcoin summer festival there was again the possibility to admire our Bitcoin Heater or to buy our Bitmain Antminer...
Partner & Cooperations
You can find everything about our partners and collaborations here:
Fully automatic payout to your bank account?
Sell the heated Bitcoins fully automatically and get the proceeds automatically transferred to your bank account every month in euros? Yes! With our partner Coinfinity, 21ENERGY customers can set up a Bitcoin withdrawal savings plan.
You can also use Bitcoin heaters to simply heat more cheaply, even if you are not (yet) a convinced Bitcoiner.
This means that companies can also use Bitcoin as a technology to heat more cheaply without having to add Bitcoin to the balance sheet.
To activate the Bitcoin withdrawal savings plan with Coinfinity, please send us a short email to entnahmesparplan@21energy.io.
The new heating standard
FAQ
Where can 21ENERGY products be delivered to?
We currently deliver our products to all EU countries, Switzerland and Norway (except Madeira, Malta & Cyprus). Register here for our waiting list for worldwide deliveries. We will then inform you immediately when we deliver to other countries.
Can I really save heating costs with the individual 21ENERGY products?
The savings potential varies depending on the given energy prices. If applicable, the cost savings can be very high. With our profitability calculator you can calculate your individual heating cost savings. https://21energy.io/en/profitability-calculator/
Is there a warranty for 21ENERGY products?
All our products are very robustly built so that they last for many years.
Should a device still become defective in the first year, we will of course replace it and are also available for very favorable replacement parts at any time after one year.
Are the individual products really safe?
Yes! The products are classic electrical devices. Thus, the usual precautions apply. All our products sold are CE compliant.
Where can I find more detailed information about the individual products?
You can find detailed information about the individual products directly in the product descriptions, as well as in the respective operating instructions.
Are the Bitcoin miners built or sold by 21ENERGY allowed to be overclocked?
The Bitcoin Heaters may be operated with a maximum power of 2.0 2.5 or 3.0 kW as specified for the respective product.
Overclocking miners will void the warranty with immediate effect.
Special conditions for bulk orders?
From 10 pieces we make you an individual offer. Please send us an e-mail to office@21energy.io.
