Chillventa – the exhibition for energy efficiency, heat pumps and refrigeration

Experts from the Fraunhofer Institute for Solar Energy Systems (ISE) will give presentations throughout the Chillventa exhibition on current research topics as part of the forum on heat pumps, and will be available for direct discussion afterwards at the special display area “Heat pumps, one key technology for the successful energy transition”. This is something that heat pump experts should not miss.

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Geoscientists Study Possibilities of Heat and Cold Storage in Aquifers. Supply of cold in the summer and heat in the winter: A hotel and two office buildings in Bonn use an underground aquifer for this purpose. Researchers of the GeoSpeicher.bw project coordinated by Karlsruhe Institute of Technology (KIT) are studying alternatives with a reduced energy consumption. These include storage and later retrieval of heat and cold in underground water-bearing layers, so-called aquifers.

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The quotas set down in the F-Gas Regulation have driven up the prices for many refrigerants, and some are now simply no longer available on the market. In most cases, refrigeration equipment has a very long service life and requires regular servicing. The refrigerant contained in the equipment system is a particularly valuable asset.

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