Exclusive Interview with Marketing Director of Carrier Commercial Refrigeration

By R744.com team, Jan 20, 2010, 12:41 3 minute reading

R744.com had the chance to visit the Carrier Lead Design Center in Germany to pose questions to Juergen Goeller, Marketing Director of Carrier Commercial Refrigeration. He talks about energy savings, Carrier's future plans for CO2 refrigeration and heat pump applications, completed projects and the role of incentive programmes.

As of December 2009, Carrier had already installed its CO2OLtecTM system in more than 100 stores. What are your projections regarding the product roll-out in 2010?

Juergen Goeller: In 2009, CO2OLtec systems were installed in Germany and elsewhere, including the Netherlands and Switzerland, Austria, the Czech Republic, Hungary, Scandinavia and the U.K. We expect further market penetration with our CO2 technology in 2010.

What has been your feedback from your customers in terms of energy savings and reliability of the system?

Goeller: Our customers have given us very positive feedback on the reliability of our CO2OLtec systems. Also, energy savings have been confirmed by our customers, with the results differing on a case-by-case basis depending on competing system designs. On average and compared to a conventional HFC direct expansion refrigeration system, a CO2 installation has very minimal global warming impact resulting from refrigerant leakage and improves energy efficiency by about 10 percent in mild to cold climate conditions.

Do you have any plans to further improve your system?

Goeller: We are focused on improving the energy efficiency of the CO2OLtec system and on broadening the product line for wider applicability.

To what extent has the German incentive programme for commercial refrigeration systems using natural refrigerants played a role in boosting the number of your CO2 system installations? Have you faced any obstacles in the process, and how could the programme be improved in your view?

Goeller: The German incentive programme for the promotion of commercial refrigeration systems based on natural refrigerants has helped to increase the number of CO2 system installations in Germany, in particular in supermarkets owned and operated by family entrepreneurs. Such incentive programs are good government policy that promote environmental stewardship.

The higher investment cost associated with CO2 technology is one of the main barriers to its wide deployment. In the Lead Design Center, unique in its focus on R744 component and system testing in the world, Carrier invested €10 million to optimise the performance of commercial refrigeration based on R744. What is Carrier doing to render CO2 systems more competitive compared to other retail refrigeration solutions?

Goeller: Carrier continues to invest in research and development to improve the efficiency of the system and lower total lifecycle costs of CO2 systems versus HFC systems

Now that CO2 refrigerant has been approved for retailer applications under the U.S. EPA SNAP process, are you considering expanding your CO2 business in the country?

Goeller: The U.S. EPA decision is new, and we are still studying it.

Are you also considering the use of natural refrigerants in your logistics/container refrigeration business? Which natural refrigerant would be the most suitable for the purpose?

Goeller: Carrier constantly evaluates potential refrigerants and technologies for container refrigeration. We will work to determine the best refrigerant choice for our container customers.

Have you assessed the use of CO2 for your heat pump offering?

Goeller: The integration of waste heat recovery and heat pumps into our CO2 refrigeration systems to boost renewable energy will become more important in the future. Up to now, heat pump solutions have been integrated in our CO2 refrigeration systems in response to custom design requirements. Where suitable, these solutions use CO2 as refrigerant.

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By R744.com team (@r744)

Jan 20, 2010, 12:41




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