Refrigerated Cabinet. Photo credit: Carrier Commercial Refrigeration website
Refrigerated Cabinet. Photo credit: Carrier Commercial Refrigeration website

Carrier Commercial Refrigeration Joins as Silver Partner

The company manufactures CO2 refrigeration systems and heat pumps, as well as CO2 or R290 food display cases.

Carrier Commercial Refrigeration (CCR), a global supplier of refrigeration systems and services for the food retail industry, has joined the world’s leading natural refrigerant HVAC&R stakeholders as a silver partner of the marketplace.

The company manufactures subcritical and transcritical CO2 (R744) racks, CO2 heat pumps and chillers, CO2 condensing units, CO2 air and gas coolers, and refrigerated display cabinets that use CO2 or propane (R290). CCR has four factories total in Europe and Asia and research and engineering centers in Germany and China.

CCR offers natural refrigerant solutions for small stores to hypermarkets, with CO2 equipment capacities ranging from less than 1kW (0.3TR) to more than 1,500kW (427TR). Its commercial and industrial-sized CO2 heat pumps and chillers offer heating capacities from 230‒2,200kW (65‒626TR) with water outflow temperatures of 90°C (194°F).

Energy-saving equipment

In 2004, CCR installed its first transcritical CO2 system in a hypermarket in Switzerland, which led to the company developing and launching its CO2OLtec line in 2009.

“Today, CO2OLtec solutions keep food fresh in thousands of European supermarkets and hypermarkets while reducing their carbon footprints by approximately 50% compared to systems using R404A,” CCR says.

To support the transcritical operation of its Mini or MaxiCO2OL racks, the company suggests adding its CO2OLtec Evo, which contains its patented modulating vapor ejector technology and a CO2 pump. According to CCR, the CO2OLtec Evo can reduce energy consumption by roughly 20% compared to “standard” transcritical technology.

CCR recently released a CO2 efficiency booster skid dubbed CO2OLtec EB, which it says reduces rack energy consumption by up to 10% compared to conventional CO2 booster systems (with or without parallel compression). The increased energy efficiency comes from the optimization of evaporator operation in semi-flooded mode to reduce defrost time, according to CCR.

CCR has also mined energy savings by capitalizing on the heat output of CO2 refrigeration systems.

“CO2 and its excellent thermodynamic properties, including high discharge gas temperatures, allows [us] to recover up to 100% of the continuously generated heat,” CCR says. This “free heat” can be used for facility space heating, air-conditioning, sanitary hot water and district heating.

Using several heat exchangers, CCR says it can recover heat from its CO2 racks at three temperature levels: 15‒20°C (59‒68°F), 45‒60°C (113‒140°F) and up to 90°C.

Expanding product availability

Last December, U.S.-based Carrier Group entered an agreement to sell CCR to Haier Smart Home, a division of Chinese manufacturer Haier. The acquisition is expected to close in the second half of 2024, with the European Commission recently granting its approval.

At the time of the announcement, Li Huagang, Chairman and CEO of Haier Smart Home, said the acquisition would enable “growth opportunities” for the company in the food retail and cold storage sectors.

This past month, CCR announced its CO2 racks and heat pumps would be available in North America, with its CO2 condensing units to follow in the coming months. Previously, this equipment was only available in Europe, the Middle East and Africa.

Under the American Innovation and Manufacturing (AIM) Act, the U.S. Environmental Protection Agency (EPA) has set a GWP limit of 150 for many types of new refrigeration equipment, with compliance dates starting next year.

“We’re energized and eager to bring this innovative technology to North America to help create a more sustainable future,” said Jimmy Washington, CCR’s North America Managing Director.

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