Natural Refrigerants: CO2 vs. Hydrocarbons in Supermarkets

grocery store refrigeration

How can retailers save money with natural refrigerants in the long run? As Europe’s food retail sector strives to improve its energy efficiency, Accelerate Europe compares how CO2 and hydrocarbons are helping to reduce energy consumption in supermarkets. Written by Charlotte McLaughlin, r744.com, July 17, 2018 Supermarkets are estimated to be responsible for around 3-4% of the total … Read more

Larger CO2 Compressors Launched by Emerson

Honeywell cascade refrigeration

Emerson debuts larger CO2 compressors Written by Michael Gary, R744.com, February 21, 2018 Emerson has launched 35 and 40 HP semi-hermetic reciprocating Copeland CO2 compressors, with the 50 HP version slated for late fall. The compressors offer capacity ranging from 40,000 BTU/h to 320,000 BTU/h at 20°F SST. “There is a demand for larger CO2 compressors because CO2 is … Read more

First Transcritical Co2 Supermarket in the Middle East is Inaugurated

Middle East’s first CO2 supermarket opens in Jordan R744.com, March 5, 2018 The first transcritical CO2 supermarket in the Middle East was inaugurated today at the Al-Salam supermarket in Amman, the capital of Jordan. The CO2 transcritical system installed in Amman, a pioneer in the Middle East, is designed to cope with temperatures reaching up to 32°C between … Read more

Italian Winery Is Using C02 Bases Water-brine Chillers for Heating and Cooling

CO2 at heart of Italian winery r744.com, December 5, 2017 Two Yukon CO2-based water-brine chillers from Italian firm Enex provide heating and cooling at the Abazzia di Novacella winery in the Alto Adige (South Tyrol) region of Italy. Water enters the system at 6°C and is cooled to 1°C. The system is capable of functioning in ambient outside temperatures … Read more

Carrier Naturaline Co2 Refrigeration Systems Are Being Tested in Shipping Containers

Shipping Containers

Maersk begins testing CO2-cooled shipping containers r744.com, September 18, 2017 In a move that could lead to wider uptake of natural refrigerant-based cooling solutions in the maritime sector, Maersk Line, the world’s largest container shipping company, has begun testing 100 refrigerated shipping containers fitted with Carrier Transicold’s NaturaLINE CO2 refrigeration system at the port of Santa … Read more

UK Store Converting up to 100 Stores to CO2 Refrigerants

Refrigeration

Aldi converts UK stores to CO2 refrigerants Gas World, August 16, 2017 By the end of 2018, up to 100 of Aldi’s stores are set to be converted at a cost of around £20m. The move will see a reduction in Aldi’s potential refrigerant gas carbon emissions by 99%, with an annual average decrease of … Read more

A CO2-Based Cooling Solution for the Fishing Industry

Advansor refrigeration

Advansor enters CO2 fishing race R744, April 19, 2017 According to Advansor, of the 4.7 million small and medium-sized fishing vessels currently active worldwide, approximately 80% use climate-damaging refrigerant R22. The Danish firm and other companies are teaming up with UNIDO and the Danish Technological Institute (DTI) in a joint working group to develop a … Read more

A Brief History of CO2 as a Refrigerant

refrigerant Paris Agreement

Bryan Kilgore, ERS, for Zondits Using CO2, or R-744, as a refrigerant is not a new concept, but it has not had widespread commercial use since the 1930s. The use of CO2 as a refrigerant was replaced in 1930 with a new synthetic refrigerant, developed by DuPont and General Motors, known as Freon. Freon is … Read more

Ask the Expert: Is a CO2 Refrigeration System a Good Option?

Question: When is a CO2 Refrigeration System a Good Option for a Supermarket/Convenience Store? Bryan Kilgore, ERS, for Zondits The cost margins for retail food stores are razor thin, so when does upgrading or replacing an old refrigeration system with a new CO2 system make sense? Will the system be efficient, reliable, safe, and cost-effective? Answer: … Read more

Panasonic Debuts New Cascade CO2 System for Supermarkets

Bryan Kilgore, ERS, for Zondits Panasonic has released a new 30-horsepower CO2 refrigeration system that they created by linking their 20 hp and 10 hp CO2 systems already in production. This hybrid/cascade system is intended to meet the capacity needs of supermarkets, where their two smaller systems are popular with convenience stores. In Japan the size of … Read more