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High efficiency CO2 systems


About this presentation

related to ATMOsphere Europe 2018
published on 21 November 2018
12 pages

Carrier explains their solutions to the problems with commercial refrigeration in warm climates.

About the speaker(s)

Sascha Hellmann


Sascha Hellmann grew up in the refrigeration business in his father’s company. He joined “Linde Kältetechnik” in 1999 as a trainee for refrigeration plant mechanic. He worked for several years as a service technician for commercial refrigeration (HFC refrigerants), then spent years in the industrial department on ammonia systems. In 2006 he graduated as a “Master Craftsman for Refrigeration Systems” - the highest skill level of a professional technician in Germany, and in 2010 obtained a diploma in Mechanical Engineering in Refrigeration System Technology.

In 2010 he began working in the Carrier Research & Design Center for commercial refrigeration as a Development Engineer for mechanical systems. Since 2013, he has held a position as a Project Leader for mechanical systems, mainly responsible for natural refrigerants such as CO2 or hydrocarbons, and increasing energy efficiency of transcritical CO2 systems.