High-performance air-source heat pumps
When it comes to heating commercial or industrial buildings sustainably, standard solutions are often not enough.
A high-performance air-source heat pump reliably covers large heating requirements. This is particularly true when air-to-water heat pumps are operated modularly in a cascade. This allows demanding projects in commercial and industrial construction, in neighborhoods, and in other types of buildings to be efficiently supplied with renewable energy: scalable, reliable, and sustainable.

For which projects is a high-performance air-source heat pump suitable?
A high-performance air-source heat pump is the right choice when high loads and strict sustainability targets come together. Typical areas of application are:
- Commercial property (e.g. office, retail, hotel, logistics)
- Industrial properties with high heat requirements (e.g., proximity to production and processing, depending on temperature level)
- Neighborhoods and site developments (decentralized heat generation)
- Housing industry and large apartment buildings
- Public buildings with long operating hours and a focus on CO₂ reduction
For planners, architects, and builders, air-to-water technology offers a good combination of availability, space flexibility, and quick implementation - even where geothermal energy is not possible or only possible to a limited extent.
Sustainably high heat output from renewable sources
A high-performance air-source heat pump uses outside air as an energy source, consuming electricity in the process, and thus supports the decarbonization of heat supply. In combination with a suitable system concept (e.g., buffer storage, intelligent control, peak load/hybrid if necessary), large heat requirements can be efficiently covered and requirements for CO₂ balance, ESG targets, and long-term operating costs can be addressed.

Why use air-to-water heat pumps in the high output range as a cascade?
In reality, high performance is often achieved using multiple units. A cascade of air-to-water heat pumps offers clear advantages in this regard:
- Scalability in modules The total power required can be precisely mapped - and expanded later if necessary.
- Efficiency across the entire load profile At partial load, only as many modules as necessary are in operation. This increases efficiency when demand fluctuates.
- Redundancy and availability Multiple units increase operational reliability. Maintenance can often be carried out without complete shutdown.
- Flexibility for different building types Cascades are suitable for central heating systems as well as for phased expansion strategies in neighborhoods.
Product overview: Air-source heat pump cascades for high output ranges
The following list contains air-to-water heat pumps for high output ranges that can be combined in a cascade depending on the project requirements.
Compare output classes and equipment options to identify the right high-output air heat pump for your project. We are happy to support you with preliminary planning, dimensioning, and system design, from the initial draft to implementation.
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We would be happy to advise you personally on suitable products, system design, and available subsidies.









