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Europe // End User

The CO2 projects that we’ve implemented this year and last year have shown that in Romania, there are companies that know how to work with the requested CO2 technology. – Vasile Casian, Mega Image

CO2-cooled cabinets, Straduintei store

“We share and discuss information and experiences that ultimately lead to the harmonization of solutions and equipment used for HVAC&R technology,” he said. “Our targets refer to reaching a certain level of GWP and reducing our CO 2 emissions,” he added. “To reach these targets, natural refrigerants are the best choice and the long-term solution.” As a member state of the European Union, Romania is subject to the HFC phasedown that is taking place under the bloc’s F-Gas Regulation. Commercial refrigeration is one area in which the F-Gas Regulation, which regulates the EU's f-gas use, is already beginning to bite. In 2022, bans on using certain HFCs with GWPs above 150 in new centralized and plug-in commercial refrigeration equipment will come into effect.

Accelerate Magazine // June 2019

NEW STORES IN BUCHAREST AND CONSTANTA Last year, Mega Image opened two new stores in Bucharest, Romania’s capital, that use CO 2 transcritical booster systems. The first, located in the Drumul Jilavei district, opened on in July 2018, and the second, in the Straduintei district, in September. A third supermarket, in the Palazu Mare district of Constanta, Romania, debuted in April of this year. That store uses Epta’s Full Transcritical Efficiency concept, a CO 2 booster system with external sub-cooling that harnesses an intelligent liquid receiver. “The CO 2 projects that we’ve implemented this year and last year have shown that in Romania, there are companies that know how to work with the requested CO 2 technology,” Casian said.

He acknowledged the higher cost of the transcritical systems. “So far, for HVAC&R, the CO 2 scenario has involved higher investment costs – 16%-45% higher than an old-fashioned synthetic refrigerant-based scenario,” he said. To strengthen the business case for choosing CO 2 , Casian recommends combining it with heat recovery. Mega Image strives to ensure that its own staff members receive all the support they need to use advanced CO 2 installations, which can feature numerous electronic devices. Minimizing the risk of accidental system shutdowns is particularly important, as downtime “can affect the profitability of shops,” Casian noted. “Our staff in the technical department and the people involved in choosing, designing and implementing the HVAC&R technology regularly attend dedicated training and seminars on using refrigeration plants with natural refrigerants,” he said. AW

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