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ACR-MAR23-PG25.qxp_Layout 1 27/2/23 14:13 Page 1


REFRIGERANTS


Reducing energy consumption and operating costs, as well as avoiding downtime, are critical to a supermarket’s bottom line.


Food and Rural Affairs found that retail food outlets are responsible for around 3% of the UK’s total electrical energy consumption. With climate change continuing to threaten our planet, supermarkets must be doing more to ensure they operate to the highest energy efficiency standards, but every supermarket is unique in terms of size, layout, age, and geographic location, which all play an important part in determining which refrigerant is best suited for the store. To help, Honeywell has developed a new tool for decision-making and asset management based upon the eco-efficiency concept. The platform is vendor-agnostic and was independently validated by Cemafroid, a global consultant in cold chain, refrigeration and air conditioning. The platform incorporates a set of parameters and simulates the performance of different refrigerant options within those parameters to reveal which offers the lowest environmental impact at the lowest possible total cost of ownership (TCO) for a particular store or asset portfolio. This will allow supermarket owners and


operators to make informed decisions about which systems and refrigerants will help them reach their sustainability goals most cost-effectively. Parameters for the calculation include the type and architecture of the refrigeration


system, the system lifetime, the size of the sales area, geographical location of the store and the type of refrigerant chosen. Sensitivity considerations are also factored in such as low carbon tax, cost and carbon footprint of electricity production, system lifetime, plant leakage rate and refrigerant price fluctuations.


How one supermarket in Italy is re- ducing emissions and saving on cost Recently, a new MD Discount (MD) store in San Giovanni in Persiceto, Italy, became the first supermarket in the country to use HFO-based refrigerant, Solstice L40X (R-455A). With support from their contractor ARNEG, and using the eco-efficiency approach, MD selected Solstice L40X for its projected optimal energy-efficiency and cost- effectiveness.


16:08 Page 1


Solstice L40X is a ready-now, low-global- warming-potential (GWP), energy-efficient HFO-blend solution for commercial refrigeration applications such as small- and medium-size supermarkets, food service, cold rooms and freezer rooms.


Using the eco-efficiency approach, it was determined that for that store alone, Honeywell Solstice L40X is projected to support a lifetime cost savings of approximately €260,000 and 25% lower lifetime emissions compared with carbon dioxide as a refrigerant. This was key data for MD’s decision-making process. In addition, the refrigerant has a low-GWP of 146, which allows MD to remain compliant with the European Union Fluorinated Greenhouse Gases Regulation calling on retailers to phase down the use of high- GWP refrigerants. Solstice L40X can also be installed and serviced by routine contractors. Its high critical temperature and low critical pressure characteristics make it ideal for high ambient temperatures. These are significant improvements that will support MD in driving towards their environmental targets while improving their bottom line. This example illustrates how energy-efficiency is a critical piece for a supermarket evaluating their sustainability goals, while also contributing more broadly to decarbonisation goals.


AD Download the ACR News app today www.acr-news.com • March 2023 25


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