June 10-11
ATMOsphere America Summit 2024
Washington D.C.
If you’re looking to gain insight into the future of natural refrigerant-based technologies, this event is for you!
















































The 13th edition of ATMO America is coming back to Washington D.C. in 2024! It will gather key HVAC&R industry experts, policy makers, end users and contractors to learn about the very latest developments in natural refrigerants-based solutions.
Keynote presentations
End user and contractors experiences with natural refrigerants
Policy and standards updates, including the latest from the U.S. Environmental Protection Agency (EPA)
Discussion on the impact of PFAS refrigerants on health and safety
Applications of natural refrigerant heat pumps
Market trends & technology trends
Latest innovative technology presentations
Panel discussions
If you’re looking to gain insight into the future of natural refrigerant-based technologies, this event is for you
End users, policy makers, manufacturers, researchers, academia, consultants, NGOs, associations, media, and other relevant key industry experts & thought leaders.
Discover energy-efficient, sustainable, economical, and future-proof solutions
Learn about market trends and the latest and most innovative technologies
Find out how end users are benefitting from natural refrigerant systems
Understand the relevant laws, regulations standards from key policy and government experts
Hear from top industry CEOs
Learn about the health and environmental impact of f-gas refrigerants
Moderators: Marc Chasserot & Michael Garry, ATMOsphere
Robert Bilott, Award-Winning Environmental Attorney. Read more
Moderator: Michael Garry, ATMOsphere
Mindi Messmer, Senior Research Scientist, MedStar Health, Former Member of the New Hampshire House of Representatives | Unpacking PFAS: Understanding Their Impact on Health and Lessons from the Past
Richie Kaur, Non-CO2 Climate Pollution Reduction Advocate, Climate & Energy, Natural Resources Defense Council (NRDC) | Navigating the HFC Phasedown and the PFAS Pollution Crisis
Gabriel Salierno, Green Chemist, Toxics Use Reduction Institute | HFOs: Climate Friend or Foe?
Michael Garry, Editor-at-Large, ATMOsphere | F-gases and TFA: The Growing PFAS Threat
Moderator: Marc Chasserot , ATMOsphere
Subodh Sharma, Director of Systems Product Management, Hillphoenix | Natural Refrigeration – Accelerating Adoption
Michael Lehtinen, Senior Product Leader – CO₂ Solutions, Hussmann | Natural Refrigerant Products, Challenges & Solutions
Kurt Knapke, VP – Marketing & Solution Strategy, Copeland | 10 Innovations Transforming Retail Operations
Ignacio Chaparro, Sustainability & New Technologies Manager, Kysor Warren Epta US | Refrigeration Market Trends
John Miranda, Director of CO₂ Strategy, Industrial Refrigeration – North America, Johnson Controls – Frick® & M&M Carnot | Market Trends
James Seabrook, President, Vitalis | R744 Market Trends
Moderator: Michael Garry, ATMOsphere
Megan Rodriguez, Senior Manager of Refrigeration, Grocery Outlet | Grocery Outlet and the Journey to Natural Refrigerants
Nova-Aer Teale, Director of Engineering, Lineage Logistics | Grasping the Situation
Robert Ellison, Vice President of Operations, General Refrigeration | Natural Refrigerant for Office Cooling and some ….
Moderator: Michael Garry, ATMOsphere
Senthilkumar K Shanmugam, Technical Program Manager, & Scott Martin, Senior Director of Industry Relations and Compliance, Hillphoenix | Charge Preservation: Approaches to Mitigate Charge Loss During Power or Service Events
Kurt Knapke, VP – Marketing & Solution Strategy, Copeland, & Wynand Groenewald, Founder, Future Green Now | Lowering Evaporator Superheat to Improve Efficiencies in CO2 Systems
Peter Dee, Director Sales Services CO₂, Energy Recovery; Ignacio Chaparro, Sustainability & New Technologies Manager, Kysor Warren; & Michael Dellecave, Sr. Manager of Refrigeration Strategy & Mechanical Design,The Kroger Co. | From Innovation to Application: Kroger, Energy Recovery, and Kysor Warren on Energy Efficient CO₂ Refrigeration
Akash Bhatia, Director Systems Engineering & Masterflux Business Development, Tecumseh, & Prabhakar Doppalapudi, Chief Engineering and Technical Services Officer, TruMed Systems | Variable Speed DC Refrigeration System for Stationary Medical Cooling With Natural Refrigerant
Tania Herrera, Product Engineer & Key Account Manager – Refrigeration Specialist, Güntner, Dan O´Brien, President, Zero Zone | Sustainable Storage: The Advantages of Natural Refrigerants and Adiabatic Gas Coolers in Cold Storage Facilities
Moderator: Michael Hines, ATMOsphere
Johari Gregorio, Application Engineer North America, Embraco, & Rob Dody, Senior Engineering Manager, Structural Concepts | Full Product Line Conversion From HFOs To Low Charge R-290 Variable-Speed Technology
Reed Portney, Assistant Product Manager, Evapco, & Andy Eversole, General Manager Industrial Refrigeration Division, ColonialWebb | Converting Liberty University’s LaHaye Ice Center to Low Charge Ammonia
Bill Carr, National Account Manager, Smart Care | Eco-Friendly Refrigeration System Designed for Cold Storage Warehouse
Jorge “JT” Coneybeer, Senior Engineering Consultant, VEIC | Field-Testing of Flooded Evaporator Grocery Store CO₂ System in Minnesota
Marc Chasserot, Founder & CEO, ATMOsphere
Dave Sholtis, Vice President & General Manager, M&M Carnot
Andreas Meier, Managing Director, TEKO Refrigeration
Moderator: Maria Noordover, ATMOsphere
Danielle Wright, Executive Director, North American Sustainable Refrigeration Council (NASRC), & Mike FitzGibbon, Branch Chief, Research Division, California Air Resources Board (CARB)
Moderator: Michael Garry, ATMOsphere
Andy Baker, Owner & Project Manager, YourCleanEnergy | The Natural Refrigerant Heat Pump Market in North America: Opportunities & Obstructions
Moderator: Michael Hines, ATMOsphere
Rusty Walker, Training Director, North American Sustainable Refrigeration Council (NASRC) | Training Service Techs (Harder than Calculus)
Jim Barron, Executive Director, Refrigerating Engineers and Technicians Association (RETA) | Natural Refrigerants Training
Scott Ercole, Vice President of Technical Sales, Coolsys | Raising the BAR with CO₂ Based Training
Moderator: Andy Baker, YourCleanEnergy
Scott Martin, Senior Director of Industry Relations and Compliance, Hillphoenix, & Peter Reist, Director of Product & Sales Strategy, Flō Energy Solutions | Leveraging Heat Reclaim to Enhance CO₂ ROI
Giacomo Pisano, CO₂ Compressors Business Development Manager, Dorin | CO₂ Heat Pumps: Safe and Efficient Operation With Low Ambient Temperatures
Robbie Svidron, Corporate Trainer, Intellihot | Public School Improves Emissions Grade With Tankless Heat Pump Water Heater
Michael Garrabrant, President & CEO, Stone Mountain Technologies | Cold Climate Heat Pump Using Ammonia Absorption
Sean Jarvie, CTO, Flow Environmental Systems, & Rongxin Yin, Technology Researcher III, Lawrence Berkeley National Laboratory | Decarbonizing and Creating Load Flexibility with CO₂ Heat Pumps
Moderator: Michael Garry, ATMOsphere
John Collins, Director of Industrial Sales, Zero Zone, & Scott Ercole, Vice President of Technical Sales, Coolsys | Beyond Boundaries: The Future of Industrial Transcritical CO₂ Systems
Jonathan Tan, Co-Founder, Ratio Institute | NPV Calculation and Benefit of Natural Refrigeration Systems
John Barnes, Senior Engineering Consultant, VEIC | Packaged Propane Refrigeration Unit Performance
Amrit Robbins, Co-Founder, Axiom Cloud | Using AI-based “Automatic Leak Detection” to Enable Refrigerant Leak Rate Reductions
Moderator: Marc Chasserot, ATMOsphere
Cindy Newberg, Director, Stratospheric Protection Division at the Office of Atmospheric Programs, U.S. Environmental Protection Agency (EPA) , to provide an update on the U.S. AIM Act
Nancy Skinner, CA State Senator SD9, State of California to discuss her new bill, SB 903, which would regulate PFAS.
Ram Narayanamurthy, Deputy Director, Building Technologies Office, Department of Energy (DOE) | Ultra-Low GWP Refrigerants for Refrigeration, Water Heating, and HVAC Applications
Moderator: Marc Chasserot, ATMOsphere
Suzanne Hagell, Chief of the GHG Mitigation Bureau, Office of Climate Change, New York State Department of Environmental Conservation | New York State HFC Policy Update
Beth Porter, Senior Climate Policy Analyst, Environmental Investigation Agency (EIA) | Climate Imperative of Removing Barriers to Hydrocarbons
Dr. Rajan Rajendran, Advisor – EIA, Five Rivers Research and Consulting | Safety Standards and Flammable Refrigerants
Tony Lundell, Senior Director of Standards and Safety, International Institute of All-Natural Refrigeration (IIAR) | Progress in Codes & Standards Related to Natural Refrigerants (NH3, CO₂, HCs)























































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