Study 38 – State of the art on high-temperature heat pump systems – Part 2

In 2021, ALLICE carried out an initial technical study on very high-temperature heat pumps (VHT heat pumps) for industry. This study provides an overview of the current state of the art in existing solutions and analyses in detail three heat pump technologies considered particularly relevant to the industrial sector. To build on this analysis, ALLICE launched three new studies in 2024 aimed at identifying the barriers and drivers to the deployment of these technologies.

This second study updates the 2021 research on high-temperature heat pumps (THT) by incorporating the latest technological advances (R&D; and feedback from practical experience). It focuses on three alternative technologies:- Helium-based heat pumps with Stirling engines

– Thermoacoustic heat pumps

– Coupling a ‘conventional’ high-temperature heat pump with mechanical vapour compression (MVC)

The study also lists demonstrators and pilot projects in Europe.

This is followed by Section 3, which focuses on the integration of heat pump technology in industry.