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Bratislava
January 21, 2021 Commercial refrigeration Europe

Overfed Evaporators for R744 Refrigeration Save up to 7.5% Energy in New Study

Researchers also looked at the effects of mechanical subcooling and vapor ejectors, using a model developed with field measurements taken from an Italian supermarket.

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research e1588587880335
May 5, 2020 Europe Industrial Refrigeration

Boosting the Efficiency of TC R744 Systems With Economizers

According to new study, economizers and extra compression make transcritical suitable in most European climates, saving up to 8.5% in energy consumption.

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39062724 m CROP 2
March 24, 2020 Commercial refrigeration World

Boosting the COP of Small-Capacity Transcritical R744 Systems

A subcooling system equipped with thermoelectric modules improves cooling capacity up to 33%, and COP upto 24%, a study found.

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Collins at IIAR19 final
March 17, 2020 Industrial Refrigeration North America

R744 Delivers Low Operating Costs in Ice Rink Chiller Study

Transcritical chiller offers payback on 47% premium in a few years, says Zero Zone paper that compares CO2, NH3 and R448A.

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80088450 l crop
January 20, 2020 Commercial refrigeration Europe

Enhancing a CO2 System’s Efficiency with an Absorption Chiller

A study by the National Technical University of Athens shows a mean 23% COP improvement via subcooling with an ammonia absorption chiller.

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CaseStudy2 9
September 6, 2018 Commercial refrigeration Europe

Multi-ejectors pushing ‘CO2 equator’ south

A recent study illustrates how multi-ejector CO2 technology can lead to significant energy-efficiency gains in supermarkets in warm regions.

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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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CaseStudy2 44
January 17, 2018 Commercial refrigeration Europe

Supermarkets ‘could save millions’ with hydrocarbons over CO2

A study conducted by Emerson and ILK Dresden concludes that integral hydrocarbon display cases are more efficient than remote CO2 transcritical rack systems.

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CaseStudy2 37
December 18, 2017 Commercial refrigeration Europe

Study: ‘Several hundred’ CO2 ejectors in Europe

The study, supported by the Swiss Federal Office of Energy and published in the magazine Kälte Klima Aktuell, is called ‘Ejector cooling system conquers the market’.

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CaseStudy1 107
February 9, 2017 Oceania

ATMOsphere Australia to showcase more CO2 case studies

The ATMOsphere Review Panel has selected new speakers from SCM Frigo, CAREL Australia, Emerson, CRS, KAV Consulting and Kawasaki Heavy Industries to be presented at ATMOsphere Australia 2017.

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