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Emerson’s Andre Patenaude and Future Green Now’s Samantha Bothma present findings from a recent study of transcritical CO2 efficiency at ATMO America 2022.
June 28, 2022 Commercial refrigeration North America

ATMO America: Study Shows Efficiency Impacts of Transcritical CO2 Add-on Technologies in High Ambient Climates

Emerson and Future Green Now analyzed to what extent adiabatic gas coolers and other technologies improve efficiency in different climate zones.

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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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metro headquarters flags CROP
September 22, 2021 Commercial refrigeration Europe

METRO AG Continues Rollout of CO2 for Retrofits in Europe

Next year the German wholesaler is planning to refurbish 40 stores with transcritical CO2 and ejector technology, while using hydrocarbon equipment for “smart repairs.”

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Advasnor 1 CROP 2
September 7, 2021 Commercial refrigeration Europe

Norwegian Supermarket Saves 58% Energy With CO2 Rack and Ejectors

The supermarket in Røyken was the first to install the new Advansor ValuePack II, saving both energy and space with the compact solution.

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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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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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Kroll Carrefour final e1571708475487
October 23, 2019 Commercial refrigeration Europe

Carrefour Poland Retrofits 46 Stores with R744

Thirty-six are transcritical CO2 system, including 11 with parallel compressors and two with ejectors.

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Metro ruse.NEW 2
October 7, 2019 Commercial refrigeration Europe

Bulgarian Metro Store Installs Transcritical R744 System With Zero Downtime

Retrofit of 20-year-old R404A system is Metro’s 18th CO2 system with ejectors.

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METRO shopping cart finl e1565804736921
August 14, 2019 Commercial refrigeration Europe

METRO AG continues European rollout of ejector systems

The multinational German chain has transcritical CO2 systems using ejectors in 14 locations, with 10 more planned.

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Hillphoenix AM102 17 landscape
August 5, 2019 Commercial refrigeration North America

Distributed systems extend Hillphoenix’s R744 lineup

Minibooster and Tower units, imported from Europe, are designed for small stores and retrofits

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