Carbon dioxide

Japanese OEM Nihon Netsugen System (NNS), a pioneer in CO₂ (R744) refrigeration in Japan, exhibited its SUPER GREEN, an industrial CO₂ refrigeration system.

Mayekawa, a leading Japanese manufacturer of natural refrigerant refrigeration equipment, exhibited the new fourth-generation model of its NewTon ammonia (R717)/CO₂ (R744) industrial refrigeration unit.

OEM Kysor Warren Epta US has announced that it expects to bring its new CO₂ (R744)-based condensing unit to the U.S. market by the end of 2022, according to a recent presentation by the company’s Sustainability and New Technologies Manager, Ignacio Chaparro.

Global HVAC&R wholesaler and manufacturer Beijer Ref has partnered with Superior Training Centre, an Australian education provider, to offer Australia’s only nationally accredited CO₂ (R744) training course at the newly opened Beijer Ref Academy in Sydney.

Integrating a building glycol loop to a supermarket transcritical CO₂ (R744) system in Canada yielded “superior” results, according to Phillip Walker, Arneg’s Director of Refrigeration Solutions, who spoke during the ATMOsphere America 2022 conference on June 7–8.

The first hypermarket opened by French multinational retailer Carrefour in Cameroon is also the first to feature CO₂ refrigeration.

Konvekta, a German manufacturer of CO₂ (R744) heat pump systems for commercial vehicles, has developed a new software module – “Additional Energy Storage (AES) Mode” – that eliminates the need for an electric heater in electric buses, reducing both costs and energy consumption.

Manufacturer trial of new technologies designed to run on CO₂ refrigerant have concluded that efficiency improvements are possible across various types of climate.

Cimco Refrigeration, a Toronto-based industrial refrigeration contractor, has reduced energy consumption at a Quebec-based meat-processing plant operated by Viandes Paquette by 2.5 million kWh annually with a low-charge ammonia/NH₃ (R717) system. By reclaiming excess heat from the ammonia system, Cimco removed the need for any boilers at the plant.

U.S.-based supermarket chain Hannaford has equipped the entire frozen section of its new store in Brunswick, Maine, with propane (R290) self-contained cases, according to a recent presentation by Harrison Horning, Director of Maintenance, Retail Business Services – Hannaford and Stop & Shop, part of Ahold Delhaize.

Supermarket giant releases findings from store trial looking at energy efficiency impacts of switching from older CO₂ solution to a lower flammability A2L system.

The Centre for Energy Technology (ZET) at the University of Bayreuth has handed over a CO₂-powered air conditioning system to the Kulmbach Vocational School Centre (BSZ) for use in its operations and teaching.

A COVID-19 vaccine storage warehouse, opened in Spain last year, selected a PowerCO2OL CO₂ (R744) refrigeration rack from OEM Carrier Commercial Refrigeration for its cooling needs.

SIAD, an Italian provider of gases, has for the first time publicly presented its COOOL FreeToGo compressor-free refrigeration transport system, which uses liquid CO₂ (R744) evaporation to generate cooling without the traditional vapor-compression cycle.

German OEM TEKO has entered a new market with its CO₂ (R744) cooling technology, introducing a unit called ROXSTAtrain for kitchens on trains, and other applications with very limited space.

Italian OEM Epta announced the availability of a new version of its Eco2Large commercial transcritical CO₂ rack that includes integration of its FTE (Full Transcritical Efficiency) 2.0 and ETE (Extreme Temperature Efficiency) technologies during a recent webinar on the Life-C4R – Carbon 4 Retail Refrigeration project.

Environmental test chamber manufacturer Weiss Technik has proven the long-term compatibility of Danfoss AKV expansion valves with its newly developed cryogenic refrigerant R469A.

Air conditioning and refrigeration manufacturer Panasonic has announced details of a new series of online training sessions in the use of CO₂.

Tanpopo Japanese Food, a UK-based food wholesaler, has opted to use Panasonic CO₂ condensing units for its new frozen and chilled warehouse in Feltham, West London.p>.

Danish logistics company Maersk has opened a new 23,700m² refrigerated warehouse in St Petersburg – the largest commercial cold store in Russia using CO₂ refrigeration.