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This product is a PDF that contains links to files that consist of PowerPoint slides synchronized with the audio-recording of the speaker (recorded presentation), PDF files of the slides, and audio only (mp3) as noted.

A decade of intensive research and development in the implementation of natural refrigerants in refrigeration and air-conditioning resulted in a large number of supermarket refrigeration systems worldwide that were designed, commissioned, and have been in operation sufficient time to assess their performance, efficiency, and environmental impact. This seminar presents a review of refrigeration systems using natural and low-GWP substances as refrigerants. The real-life performance and efficiency of these systems will be provided and compared to the simulation predictions during the design phase.

  1. Practical Issues With Low GWP Replacements for R404A in Commercial Refrigeration Applications
    Gustavo Pottker
    This product contains: Recorded Presentation, Recorded Presentation (mp4), Audio (mp3), Slides (pdf)
  2. Implementation of Natural Refrigerant R744 (CO2) in Supermarket
    Shitong Zha, Ph.D.
    This product contains: Recorded Presentation, Recorded Presentation (mp4), Audio (mp3), Slides (pdf)
  3. Best Practice HFC DX Design vs. Two CO2 System Alternatives for a Small Supermarket
    Kyle Larson
    This product contains: Recorded Presentation, Recorded Presentation (mp4), Audio (mp3), Slides (pdf)

Citation: ASHRAE Seminar Recordings, 2013 Annual Conference, Denver, CO.