Heat pumps are regarded as one of the key technologies for climate-friendly heat generation. But while they have long been standard in new buildings, the question often arises in older buildings: is it worth installing them here too?
Check technical requirements
For efficient use, the building should be well insulated. Without sufficient insulation, heat pumps work less effectively as the flow temperature required for older radiators is often too high. If you renovate your property to make it more energy efficient - for example by improving insulation and installing new windows - you create the ideal conditions for operating a heat pump.
Which systems are suitable?
High-performance air-to-water heat pumps or geothermal heat pumps are particularly suitable for old buildings. Modern high-temperature heat pumps can even support existing heating systems with higher flow temperatures if a complete retrofit is not possible.
Use funding programs
The state generously promotes the installation of heat pumps - both in new builds and when renovating old buildings. Subsidies and low-interest loans make the investment more attractive and help to cushion the additional costs compared to conventional heating systems.
Conclusion
Installing a heat pump in an old building can also make sense - especially if the building has already been renovated to make it more energy efficient or if renovation measures are planned. Owners should check the individual requirements and seek comprehensive advice in order to exploit the full savings potential.
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