BLOG: Multi-Source Heat Pump for Sustainable Heating and Cooling in Greece

PSYCTOTHERM develops a heat pump using as sources solar & geothermal field and ambient air to provide efficient heating and cooling for a residential building at Democritus University (Greece), promoting decarbonization and sustainable energy use.

Heat pumps have long been an efficient solution for heating and cooling, typically relying on a single source such as air or ground. However, utilizing multiple sources can enhance energy use and performance, particularly in variable climates, leading to improved efficiency.

In the context of the REHOUSE project, a cutting-edge multi-source heat pump has been developed to address the heating and cooling needs of a residential building at Democritus University of Thrace (DUTH) in Xanthi, Greece. This system utilizes solar, geothermal, and ambient air sources, dynamically selecting the most efficient source or combination of sources through advanced control algorithms. These algorithms ensure that the heat pump operates in the most efficient mode based on current conditions. This innovative approach not only showcases cutting-edge design but also has the potential to revolutionize energy efficiency and sustainability in residential buildings by optimizing performance in real-time. The multi-source heat pump was designed and manufactured by PSYCTOTHERM, a Greek company specializing in refrigeration and air conditioning systems, particularly for marine and industrial applications. As part of the REHOUSE project, PSYCTOTHERM will finalize the design and develop an optimal control strategy for the heat pump. This will maximize its efficiency, robustness, and modularity, ensuring the system meets commercial standards and adapts to various energy sources for enhanced performance.

The project benefits the EU community by advancing energy-efficient, sustainable technologies, reducing greenhouse gas emissions, and promoting economic growth through innovation and job creation in the clean energy sector.

Author’s name: Dr. Apostolos Gkountas, R&D engineer, PSYCTOTHERM

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