Rewarding the self-control of heat pumps – towards a fair comparison of heat pump efficiency
References
- ADEME, Enertech, Dupret, M and Bramkamp, U. 2025. Performance Pompes à chaleur : réalisation d’une campagne de mesure sur des pompes à chaleur en résidentiel individuel. ADEME, Angers.
- BAM. 2025. Test guideline for a load-based performance testing (corresponding to PythonPackage v1.0). BAM, Berlin.
- Bulut, Y, Kemp, REJ, Koot, J and Wijhe, A. 2022. ‘Assessing hybrid heat pump performance in simulated fieldtrial’. IOP Conf. Ser.: Earth Environ. Sci. 1085
012 . DOI: 10.1088/1755-1315/1085/1/012032 - CEN. 2022a. Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors – Parts 1 to 4. CEN, Brussels.
- CEN. 2022b. Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and cooling, commercial and process cooling – Testing and rating at part load conditions and calculation of seasonal performance. CEN, Brussels.
- EC. 2021. Regulation (EU) 2021/1119 of the European Parliament and of the Council of 30 June 2021 establishing the framework for achieving climate neutrality and amending Regulations (EC) No 401/2009 and (EU) 2018/1999 (‘European Climate Law’). European Commission, Brussels.
- EC. 2026. Commission Regulation (EU) setting ecodesign requirements for space heaters, combination heaters and solar devices, repealing Council Directive 92/42/EEC. European Commission, Brussels.
- Erden, HS and Wachau, A. 2025. Validation of the Compensation Method for Hydronic Heat Pumps: Round Robin Test Results – Interim Report. BAM, Berlin.
- Göbel, S, Zottl, A, Noack, R and Mock, D. 2022. How to calibrate heat pump test stands for load-based testing – towards technology-neutral prescriptions. Bochum.
- Göbel, S, et al. 2026. From Refrigerant Cycle to Product Testing: Fostering Innovation in Heat Pump Controllers through Real-Life Testing. Proceedings of HPC2026, Wien.
- Günther, D, Wapler, J, Herkel, S, Helmling, S, Geimer, K., Miara, M, Nienborg, B, Uhl, A, Kähler, J and Langner, R. 2025. WP-QS im Bestand – Entwicklung optimierter Versorgungskonzepte und nachhaltiger Qualitätssicherungsmaßnahmen für Wärmepumpen im EFH-Bestand. Project report.
- IEA. 2024. Evaluation and Demonstration of Actual Energy Efficiency of Heat Pump Systems in Buildings. Report of EBC Annex 88. International Energy Agency.
- Klingebiel, J. 2025. Bedarfsgesteuerte Abtauung von Luft-Wärmepumpen durch Reinforcement Learning. PhD Thesis. RWTH Aachen.
- Malenković, I. 2025. Challenges and Loopholes in Current Testing Methodology, Stakeholder Meeting on Test Methods to Measure and Calculate the Seasonal Performances of Heat Pumps.
https://circabc.europa.eu/ui/group/418195ae-4919-45fa-a959-3b695c9aab28/library/3b5b42f2-527d-4892-8171-120b3a03d032/details . - Malenković, I, et al., 2019. Ecotest final report – WP7 electrical heat pumps. Final report of the WP7 of the Ecotest project. CEN, Brussels.
- Melograno, PN, Mauro, A, Toppi, T, Göbel, S, Erden, SH, Menegon, D and Wachau, A. 2026. Experimental comparison of heat pump seasonal efficiency using EN 14825 and a dynamic load emulation approach. Proceedings of the 15th IEA Heat Pump Conference, Wien.
- Palkowski, C, Zottl, A, Malenkovic, I and Simo, A. 2019. Fixing Efficiency Values by Unfixing Compressor Speed: Dynamic Test Method for Heat Pumps. Energies, 12(6):
1045 . DOI: 10.3390/en12061045 - Simo, A, Palkowski, C and Wachau, A. 2019. Proposal for the revision of the harmonised test standard EN 14825:2016, for the testing and rating of air conditioners and heat pumps at part load conditions and calculation of seasonal performance. BAM, Berlin.
- VHK. 2019. Review Study existing ecodesign & energy labelling SPACE HEATERS & COMBINATION HEATERS. Task 1: Scope – Policies & Standards. Final report. EU, Brussels.
- Wachau, A, Göbel, S, Vering, C and Müller, D. 2023. Increasing energy efficiency and acceptance of heat pumps through realistic test procedures – Proof of concept on compensation method – Final Report.
- Wachau, A, Mock, D and Minelli, P. 2023. BAM technical report on load-based testing of hydronic heat pumps – compensation method. BAM, Berlin.
DOI: https://doi.org/10.66506/essp.8-249-26 | Journal eISSN: 2001-7960
Language: English
Page range: 59 - 59
Submitted on: Mar 20, 2026
Accepted on: May 9, 2026
Published on: Oct 15, 2026
Published by: European Council for an Energy Efficient Economy (eceee)
In partnership with: Paradigm Publishing Services
Keywords:
© 2026 Ivan Malenković, André Wachau, Marie Baton, Stephan Göbel, Hamza Salih Erden, Andreas Zottl, published by European Council for an Energy Efficient Economy (eceee)
This work is licensed under the Creative Commons Attribution 4.0 License.