Collections Archive — 21energy

Skip to content

Trustpilot

English
Deutsch
Français
Norsk
Svenska
Suomi

Heaters
For Bitcoiners
Support
About us
Business Solutions

English
Deutsch
Français
Norsk
Svenska
Suomi

No account yet? Create Account

Language

English
Deutsch
Français
Norsk
Svenska
Suomi

Heaters
Ofen 2

2 Colours
White Black

Ofen 2

€1.570,00

€2.090,00

Ofen 2 Pro

2 Colours
White Black

Ofen 2 Pro

€1.970,00

€2.490,00

Edge

Edge

€6.400,00
For Bitcoiners
Ofen 2

2 Colours
White Black

Ofen 2

€1.570,00

€2.090,00

Ofen 2 Pro

2 Colours
White Black

Ofen 2 Pro

€1.970,00

€2.490,00

Bitmain Antminer S19k Pro

Bitmain Antminer S19k Pro

€670,00

€740,00

Canaan Avalon Q 90 TH

Canaan Avalon Q 90 TH

€1.970,00

€2.190,00

Bitmain Antminer S9 13.5 TH

Bitmain Antminer S9 13.5 TH

€59,00

€94,00
Support
About us
Business Solutions

Verifying your email...

All products
Bitcoin Heater
Bitcoin Miner
Bitcoin Mining Equipment
Deals on Heating Solutions & Bitcoin Miners
Electrical Heater
Heater Accessories
Industrial Bitcoin Heater

Sustainable heating

About

Profitability Calculator
PV-Mining Calculator
Blog
Careers
Press
Manuals

About

Profitability Calculator
PV-Mining Calculator
Blog
Careers
Press
Manuals

Legal

Refunds & Returns
Terms & Conditions
Privacy policy
Legal Notice

Legal

Refunds & Returns
Terms & Conditions
Privacy policy
Legal Notice

Account

Create Business Account
My Account

Account

Create Business Account
My Account

Language

English
Deutsch
Français
Norsk
Svenska
Suomi

Currency

© 2026 21energy • Cookie Settings

Search

Shopping cart

Your cart is empty

Start shopping

Loading...

Recommendations for you

Ofen 2

Ofen 2

Ofen 2

€1.570,00 €2.090,00

The 21energy Ofen 2 is perfect for you, if you want to heat your home and earn Bitcoin at the same time. Imagine havi...

Bitmain Antminer S19k Pro

Bitmain Antminer S19k Pro

Bitmain Antminer S19k Pro

€670,00 €740,00

Hashrate: 110TH/s - 115 TH/s - 120 TH/s Power: 2,530-2,760 W Algorithm: SHA-256 Condition: New Efficiency: Up to 18 ...

Bitmain Antminer S19 86 TH

Bitmain Antminer S19 86 TH

Bitmain Antminer S19 86 TH

€440,00 €490,00

Hashrate: 86 TH/s Power: 2,967 W Algorithm: SHA-256 Condition: Refurbished Efficiency: Up to 26 J/TH with Braiins OS ...

Bitmain Antminer S9 13.5 TH

Bitmain Antminer S9 13.5 TH

Bitmain Antminer S9 13.5 TH

€59,00 €94,00

Hashrate: 13.5 / 14 TH/s Power: 1,420 W Efficiency: Up to 75 J/TH Algorithm: SHA-256 Condition: Refurbished

Only left until free shipping

Shipping costs:

📦 Weight: 0.0kg

🌍 Zone: ...

💰 Current shipping: ...

Business customer

Check out with net prices and receive a VAT-compliant invoice.

Sign in or create a business account

Total:

€0,00

You've earned 3.5% off!

Welcome! You've been referred by a friend and earned 3.5% off your order with our refer-a-friend program. Start shopping to use your discount!

Choosing a selection results in a full page refresh.