Revolution in heating technology: How efficient are electric heating systems really?

Übersicht Elektroheizung

In a world where energy efficiency and sustainability are becoming increasingly important, the question arises: are electric heaters a smart choice? This comprehensive blog post sheds light on the efficiency of electric heating and shows you how you can use modern technologies such as the Bitcoin heaters from 21energy to heat not only efficiently, but also in a future-oriented way.

What does heating efficiency mean?

The efficiency of a heating system describes how much of the energy used is actually converted into usable heat. Electric heating systems have a clear advantage here:

  • Almost 100% efficiency: electric heaters convert electricity directly into heat, without losses through exhaust gases or pipes.

  • Flexible use: They can be used in a targeted and demand-oriented manner, which avoids unnecessary energy consumption.

 

Advantages of electric heating in terms of efficiency
Advantages Disadvantages
Direct energy conversion No energy loss through pipes or exhaust fumes.
Fast response time HHeating at the touch of a button - ideal for temporary use.
Can be combined with green electricity Particularly sustainable when using renewable energies.
Easy to regulate Individual control possible for each room, which further optimizes energy consumption.

Challenges in the efficiency of electric heaters

Despite their many advantages, there are also aspects that should be taken into account:

  1. Electricity prices: In Germany, Austria and Switzerland, electricity costs are relatively high by international standards.

  2. Areas of application: Electric heating systems are less suitable as main heating for large, poorly insulated buildings.

  3. CO₂ balance: The environmental friendliness depends heavily on how the electricity is generated.

Laske vuotuiset lämmityssäästösi

Sähkökustannukset (/kWh)
-
0,24
+
81
Sähkön muuttuva hinta
PV-järjestelmä
Lämpöpumppu
Lämpöpumppu
- € 1.320
/ Vuosi
Kaasu ja öljy
Kaasu ja öljy
- € 4.324
/ Vuosi
Sähköinen
Sähköinen
- € 5.280
/ Vuosi
Bitcoin-lämmitin
Bitcoin-lämmitin
- € 5.280
/ Vuosi
+ € 4.927
/ Vuosi
Keskimääräiset lämmityskustannussäästöt vuodessa. *
€ 3.289
säästää jopa 10 tonnia hiilidioksidia vuodessa
Laske yksityiskohtaisesti
* Lämmityskustannussäästöt määritettiin vertaamalla niitä kaikkien lämmitysjärjestelmien keskimääräisiin lämmityskustannuksiin.

Bitcoin heating from 21energy: efficiency redefined

The Bitcoin heater from 21energy takes the concept of efficiency to a new level. It combines heat generation with cryptocurrency mining, allowing you to not only heat your home but also benefit financially at the same time.

Advantages of Bitcoin heating:

  • Maximum energy utilization: every kilowatt hour used is used twice - for heat and Bitcoin mining.

  • Sustainability: Particularly efficient in combination with green electricity or photovoltaics.

  • Cost reduction: Mining revenues can significantly reduce electricity costs.

"The Bitcoin heater from 21energy is more than just a heater - it's a step into the future."

Miksi valita Ofen 2

Enemmän lämpöä, enemmän bitcoinia eikä kompromisseja.
Ofen 2 Front

Ofen 2

Uusi
1.000 W
Teho*
50 m²
Lämmityspinta
32 dB
Melutaso
jopa 35 TH/s
Kaivosvoima*
€ 0,08 / kWh
Bitcoin-palkkio
(Ø 1 vuosi)**
€ 0,18 / kWh
Bitcoin-palkkio
(Ø 4 vuotta)**
90 x 32 x 14 cm
Koko
24 kg
Paino
* ± 10%
** As 06.2025
€1.590,00
sis. alv & toimituskulut
Ennakkotilaa nyt
Ilmainen toimitus
30 päivän palautus
Valmistettu Itävallassa

Comparison: Electric heating vs. other heating systems
Heating type Efficiency Flexibility Environmental friendliness
Electric heating 99 % Very high High (with green electricity)
Gas heating 80 – 95 % Medium Low
Heat pump 300 % (COP-Value) High Very high
Bitcoin heating 100 % + Mining High High (with green electricity)

Tips for the efficient use of electric heating

  1. Combine with green electricity: Use green electricity or install your own photovoltaic system.

  2. Room-by-room control: Avoid heating unused rooms with smart thermostats.

  3. Optimum insulation: Good windows and insulated walls significantly reduce energy consumption.

  4. Use innovative systems such as Bitcoin heaters: These not only provide heat, but also financial added value.

Conclusion: Efficiency and future-proof

Electric heating systems are extremely efficient and an excellent choice in many cases. They score particularly well thanks to their flexibility, ease of installation and combination with renewable energies. However, if you want maximum efficiency and sustainability, you should consider the Bitcoin heaters from 21energy. They combine state-of-the-art technology with the possibility of reducing energy costs through mining revenues.

„Heating has never been so efficient - take the step into the future with electric and bitcoin heaters.“

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Älä jää paitsi 21energyn uusista julkaisuista, erikoistarjouksista ja uutisista.

Maximilian Obwexer profile picture

Maximilian Obwexer

Maximilian Obwexer on 21energyn perustaja ja toimitusjohtaja. Hän jakaa asiantuntemustaan täällä blogissa ja puhujana eri konferensseissa. Pääaiheena on Bitcoin-louhinta ja sen hukkalämmön hyödyntäminen.

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