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Nina Piesch, speaking at the IIR Conference about Co2 heat pump in electric Vehicles
May 15, 2023 Europe Heat Pumps

CO2 Heat Pumps Found to Offer High Efficiency at Low Ambient Temperature in Electric Vehicles

Their efficiency comes from increased suction vapor density, which is a significant advantage in colder climates, says NTNU researcher

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NTNU/SINTEF laboratory
April 25, 2023 Commercial refrigeration Europe

‘Hybrid Ejector’ Found to Boost Efficiency of Transcritical CO2 Refrigeration by Up to 42%

New study found ejector system outperformed a conventional booster system across all ambient conditions

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Integrated R744 HVAC&R Systems
June 2, 2022 Air conditioning Europe Heating & Ventilation

Integrated R744 Heat Pump Systems Proven ‘Reliable’ Solution for Hotels

The EU funded MultiPACK project tested Integrated CO2 heat pump systems in two Italian hotels and found COP values up to 6, depending on the ambient temperatures

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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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green cooling summit keynote speaker armin hafner
May 28, 2021 Europe Policy

NatRef Expert Hafner Urges More Public Support of Green Cooling

Professor Armin Hafner of NTNU calls for governmental loans to overcome higher costs of NatRef systems.

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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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Trondheim website e1555668841854
April 19, 2019 Europe Heating & Ventilation

First all-in-one CO2 heat pump at hotel saves up to 69% energy

The first combined CO2 heat pump installed at a Scandinavian hotel delivers significant energy savings of up to 69%, heard the audience at a recent conference in Ohrid.

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CaseStudy2 19
June 26, 2018 Asia Commercial refrigeration

India’s first CO2 transcritical system

India’s first CO2 transcritical system was among the presentations at last week’s Gustav Lorentzen conference in Valencia.

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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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