The best heating system for a detached house: comparing your options

 Choosing the right heating system for a single-family home is a decision that will affect both your energy costs and your environmental footprint in the long term. Depending on the year of construction, energy requirements and personal goals, there are various heating systems to choose from. In this article, we compare the best options and show how pioneering heating solutions such as our innovative heating systems can offer additional benefits.

Ofen 2 in a nutshell

More warmth, more bitcoin, & zero compromise.

Ofen 2

New

1,000 W

Power

50 m²

Area heated

32 dB

Noise level

up to 35 TH/s

Mining power

€ 0.10 / kWh

Bitcoin reward
(1-year average)
As of 06.2025

€ 0.22 / kWh

Bitcoin reward
(4-year average)
As of 06.2025

90 x 32 x 14 cm

Size

24 kg

Weight

€1.650,00

-21%

€2.090,00

incl. VAT & shipping

Buy now

Free shipping

30-day-return

Made in Austria

Factors to consider when choosing the right heating system

Before you decide on a heating system, you should consider these aspects:

• Energy requirements: New buildings require significantly less heating energy than old buildings due to better insulation.
• Availability of energy sources: Is there a gas connection or would you prefer to rely on renewable energies?
• Costs: Consider the purchase and long-term operating costs.
• Environmental friendliness: Modern heating systems help to reduce CO₂ emissions and contribute to climate protection.

Comparison of heating systems: advantages and disadvantages

Here are the most popular heating systems for single-family homes, together with a tabular overview of the advantages and disadvantages:

Heating system	Advantages	Disadvantages
Heat pump	Low operating costs Environmentally friendly Attractive funding opportunities	High acquisition costs Efficiency depends on good insulation
Gas heating	Proven technology Low acquisition costs	Fossil fuel Rising CO₂ levies
Pellet heating	Sustainable and renewable Eligible for funding	Space required for storage Higher maintenance costs
Hybrid heating	Flexible and adaptable Reduces fossil fuel consumption	Higher acquisition costs
Electric heating solutions with added value	Additional income through Bitcoin mining Easy integration into existing heating concepts Sustainable and future-proof	Requires a stable electricity infrastructure

Which heating system is right for your detached house?

The choice of heating system depends on your individual requirements:

• For new builds: Heat pumps, hybrid heating systems or our innovative heating systems are ideal for energy-efficient homes.
• For old buildings: Pellet heating systems or gas heating systems with modern condensing technology can be a sensible choice.
• Subsidies: Take advantage of government subsidy programs to reduce costs. Find out about the BAFA's funding opportunities.

€20 Off: Subscribe to our Newsletter

Don't miss new releases, special offers & news about 21energy.

Image by Pexels from Pixabay