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Armin
October 18, 2021 Commercial refrigeration Europe

Norwegian Researchers Develop Simplified Ejector-Based CO2 System

Professor Armin Hafner sees this and other innovations expanding the market for CO2 HVAC&R systems.

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Armin Hafner e1611147790941
January 21, 2021 Commercial refrigeration World

Many Stakeholders Bullish on R744

Transcritical systems, with energy enhancements and integrated with AC, will continue to flourish around the world.

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Armin Hafner e1611147790941
January 20, 2021 Commercial refrigeration World

Engineers Urged to Exploit R744 Properties in Design

CO2 evaporators should be operated without superheat, heat recovery should be employed, says Professor Armin Hafner.

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39328904 l CROP 2
October 30, 2020 Commercial refrigeration Middle East

Middle East’s First Transcritical System Is an Energy Saver

Amman, Jordan, store is saving 40,000kWh per year in a high-temperature climate after leap-frogging from R22 to CO2, bypassing HFCs.

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Armin Hafner e1626357102294
September 10, 2020 Commercial refrigeration Europe

Integrated R744 HVAC&R Systems Found Suitable for Stores in Southern European Climate

The EU-funded MultiPACK project is testing the performance of cooling/heating CO2 solutions in supermarkets and other buildings.

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CaseStudy2 21
June 21, 2018 Commercial refrigeration Europe

GL 2018: CO2-cooled supermarkets in Spain

CO2-based technology can provide efficient heating and cooling in Spanish supermarkets despite the country’s warm climate, according to a paper presented by experts from the NTNU and SINTEF at Gustav Lorentzen this week. Estimations based on six representative cities show how HFC-free solutions lead to remarkable energy savings. The EU F-Gas Regulation bans the use…

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CaseStudy1
June 19, 2018 Commercial refrigeration World

Future of CO2 in Valencia spotlight

Technology innovations are helping to broaden the market for CO2 technology, heard participants in day one of the Gustav Lorentzen conference today.

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People 8
February 19, 2016 Asia Commercial refrigeration

Hafner projects future potential for natural refrigerants

Armin Hafner gave one of the most inspiring presentations at ATMOsphere Asia 2016, highlighting some of the latest technological advances in ejectors, transport, and industrial refrigeration solutions.

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