ATMOsphere America Summit 2025

Name: ATMOsphere America Summit 2025
Start: 2025-06-11
End: 2025-06-12
Location: Omni Atlanta Hotel at Centennial Park

If you’re looking to gain insight into the future of natural refrigerant-based technologies, this event is for you!

This event has ended — thank you to everyone who joined us in Atlanta.

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Date: June 11–12, 2025
Location: Atlanta, United States
Venue: Omni Atlanta Hotel at Centennial Park

About

The 14th edition of ATMO America headed to Atlanta in 2025. The event brought together leading HVAC&R industry experts, policymakers, end users, and contractors to explore the latest advancements in natural refrigerant-based solutions.

Attendees

End users, policy makers, manufacturers, researchers, academia, consultants, NGOs, associations, media, and other relevant key industry experts & thought leaders.

On the agenda

Keynote presentations
End user and contractors experiences with natural refrigerants
Policy and standards updates
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

You will learn

Explore energy-efficient, sustainable, cost-effective, and future-ready solutions.
Gain insights into market trends and cutting-edge technologies.
Discover the benefits end users are experiencing with natural refrigerant-based systems.
Understand key regulations and standards from leading policy and government experts.
Hear from top industry experts.
Learn about the environmental and health impacts of F-gas refrigerants.

Program

8:00AM
Registration & Welcome Coffee
Participants are invited to the registration table to pick up their name badge upon arrival.
8:45AM
Introduction
Welcome and introduction by Marc Chasserot, Founder & CEO, ATMOsphere.
9:05AM
Keynote
Keynote: The Business Case for Natural Refrigerants —Why End Users Are Making the Switch
Wynand Groenewald will deliver a keynote on how end users can save money with natural refrigerants, and find certainty in uncertain times. It will address the benefits of natural refrigerants with real-world examples from commercial and industrial refrigeration, showing how businesses can future-proof against regulations, stay ahead of evolving policies, reduce operational costs, and achieve cooling efficiency.
ModeratorMarc Chasserot, ATMOsphere
Wynand Groenewald, Founder, Future Green Now
9:45AM
Session
Policy & Standards Session - 1
This session will provide critical insights from leading policymakers and industry representatives on the challenges and opportunities in today’s evolving regulatory landscape.
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’s Part 494 Regulation
Avipsa Mahapatra, Climate Campaign Director, Environmental Investigation Agency (EIA)A Turning Point in Climate Responsibility for the Cooling Sector
Tom Kacandes, Senior Consultant, VEICWhat Useful Support for Conversion to Natural Refrigerants Can We Create?
10:45AM
Networking Break
Coffee and tea will be served in the sponsor exhibition area.
11:15AM
Session
Policy & Standards Session - 2
This session will provide critical insights from leading policymakers and industry representatives on the challenges and opportunities in today’s evolving regulatory landscape.
Moderator: Marc Chasserot, ATMOsphere
Tamara Dumitrescu, Environmental Specialist, HFC Climate Policy, Washington State Department of EcologyWashington Hydrofuorocarbon Rule
Elizabeth Scheehle, Chief - Research Division, California Air Resources Board (CARB) CA Refrigerant Policy Landscape
Eric Smith, Vice President and Technical Director, International Institute of All-Natural Refrigeration (IIAR)The Latest From International Institute of All-Natural Refrigeration
12: 15PMPM
ATMO Networking Lunch
1:15PM
Session
Refrigeration Market Trends
Leading North American suppliers will deliver strategic and visionary presentations, highlighting recent success stories, key lessons learned, ongoing challenges, and future plans for natural refrigerant-based technologies.
ModeratorMarc Chasserot, ATMOsphere Subodh Sharma, Director of Product Management, Systems Division, Hillphoenix Natural Refrigeration: Accelerating Adoption
Dale Sizemore, Director of Technical Services, Kysor WarrenAdvancing CO₂ Refrigeration Technologies: Technical Growth and Workforce Training
Andre Patenaude, Director Solutions Strategy, CopelandIndustry Stewardship
John Miranda, Director of CO₂ Strategy, Industrial Refrigeration - North America, M&M CarnotA Pioneer in Transcritical CO₂ Refrigeration and Cooling Systems
Michael Lehtinen, Senior Product Leader - CO₂ Solutions, Hussmann The Evolving Retail Landscape
2:00PM
Session
Refrigeration Case Studies - Part 1
Case studies presented by leading manufacturers, about commercial and industrial applications of natural refrigerants.
ModeratorJan Dusek, ATMOsphere
Joe Sigg, Senior Project Engineer, Wakefern, & Derek Gosselin, Director CO₂ Business Development and Strategic Planning, Hillphoenix HFC to CO₂ Conversion - Large Northeast Retailer Case Study
John Miranda, Director of CO₂ Strategy, Industrial Refrigeration – North America, M&M Carnot The Emergence of Transcritical CO₂ Data Center Cooling in North America
Bill Jongsma, Owner, William & John Jongsma Dairy; & Jim VanderGiessen Jr., CEO and Co-Founder, Damon Reed, Chief Operating Officer, Sergio Romero, Refrigeration Engineer, Pro RefrigerationHow Farms Benefit from Switching from Traditional Synthetic-Based Chillers to PROGreen CO₂ Systems
Senthilkumar K. Shanmugam, Technical Program Manager - CO₂ Center of Excellence, HillphoenixA Successful Installation of CO₂ in Puerto Rico and Energy Comparison to an Existing HFC System
3:15PM
Networking Break
Coffee, tea and light snacks will be served in the sponsor exhibition area.
5:15PM
Session
ATMO Awards / North America Ceremony
The ATMO Awards / North America ceremony will recognize companies and individuals leading the transition to natural refrigerant-based technologies.
5:45PM
Networking Drinks Reception
Participants are invited to join us for networking drinks in the Atrium, located in the South Tower of the conference venue.
3:45PM
Session
Refrigeration Case Studies - Part 2
Case studies presented by leading manufacturers, about commercial and industrial applications of natural refrigerants.
Moderator Jan Dusek, ATMOsphere
Andre Patenaude, Director Solutions Strategy, Copeland Copeland CO₂ Supermarket Lab Update
Alessandro Silva, Senior Application Engineer, Bitzer US , Nathan Sullivan, Design Engineer, Zero Zone & Scott Ercole, Vice President of Technical Sales, CoolSysEnergy Efficiency Evaluation of One of the Largest Transcritical CO₂Systems in the U.S. for a Grocery Distribution Center with Eight-Cylinder Compressors and Ejectors.
Fardis Najafifard, Refrigeration Application Engineer, Energy Recovery, & Ousama Sabra, Senior Product Manager, HillphoenixMaximizing CO₂ System Performance with the PX G1300 Pressure Exchanger
Scott Timms, CEO, G&D Chillers GD-70H-2CNR Chiller with R290 Refrigerant
Masood Ali, Global Refrigeration Manager, Zero Zone Walgreens & Zero Zone Leading the Way in CO₂ Refrigeration & Education

Speakers

Venue

Omni Atlanta Hotel at Centennial Park

Atlanta, United States

Announcements

Innovation of the Year awards ATMO America

3 June 2025

Vote for the Innovation of the Year

Voting for the ATMO Awards / North America 2025 ‘Innovation of the Year’ is now open. The nominees are… OLAB: FastPro and ProShield HILLPHOENIX: ChargeSecure™ BITZER: Fender software DANFOSS: The BOCK HGX56 CO₂ T Read more and cast your vote to help spotlight the technology that’s shaping the future of our industry. The winner will be revealed during…

ATMOsphere America Summit 2025 - natural refrigerant technology case studies and market trends

2 June 2025

Last Call for Registration!

Seize your chance to register at the standard price forATMOsphere America 2025! After June 6, last-minute registration prices will apply. ATMO will be a key opportunity to connect and engage with top industry professionals from 135+ organizations. The program will offer crucial insights into current market trends, standards and regulations, the impact of PFAS, cutting-edge technologies, and real-world applications – equipping…

ATMOsphere America 2025 Summit will take place on June 11-12 in Atlanta

2 June 2025

New Case Studies!

Announcing two exciting new additions to the ATMOsphere America 2025 program: Fardis Najafifard, Refrigeration Application Engineer, Energy Recovery, & Ousama Sabra, Senior Product Manager, Hillphoenix | Maximizing CO₂ System Performance with the PX G1300 Pressure Exchanger Scott Timms, CEO, G&D Chillers, & Andy Collins, Utilities and Carbon Neutral Engineer, New Belgium Brewing I GD-70H-2CNR Chiller with R290 Refrigerant Is Your Ticket Secured? ATMO America 2025 will once again bring together key stakeholders…

ATMOsphere America Summit 2025 - natural refrigerant technology case studies

16 May 2025

New End User I List of Organisations Attending!

New End User Panelist! We’re thrilled to welcome our new speaker joining Aldi and Ahold Delhaize USA on stage! Nicholas Fletcher, Senior Manager of Design Engineering, Americold We look forward to their valuable insights and end user perspectives on the challenges, benefits, and future plans for using natural refrigerants. Don’t miss out – Secure your Room by May 20! Rooms are…

14 May 2025

Unlocking Funding for Natural Refrigerants

Partnering with the North American Sustainable Refrigeration Council (NASRC), we are thrilled to announce a new session at ATMO America: Unlocking Funding for Natural Refrigerants.The session will explore the current and future landscape of funding programs for natural refrigerants. It will also present insights from the $65 Million CARB FRIP program and provide a roadmap for future funding opportunities. Danielle…

7 May 2025

Keynote: Forecasting the Future in a Time of Tariffs – How to Future-Proof your Business!

We’re excited to welcome Keven Prather to ATMOsphere America 2025. The session will explore how tariffs – and the threat of tariffs – are impacting the future of the natural refrigerant industry and outline steps to future-proof businesses. It will address the uncertainty tariffs bring to the full supply chain, who is most affected, and the key…

24 April 2025

HFOs and TFA: The Growing Threat of PFAS

Join us at ATMOsphere America 2025 for an expert-led panel discussion on why f-gases such as HFOs are considered PFAS and how their atmospheric degradation product trifluoroacetic acid (TFA) is proliferating in the environment and turning up in human blood, with potential health implications. Marc Chasserot, Founder & CEO, ATMOsphere, will provide an update on the EU’s progress in regulating PFAS…

17 April 2025

Refrigeration Market Trends I More Case Studies!

Refrigeration Market Trend On Day 1 of ATMOsphere America, leading North American suppliers will deliver strategic and visionary presentations, highlighting recent success stories, key lessons learned, ongoing challenges, and future plans for natural refrigerant-based technologies. We look forward to an engaging discussion with our expert panelists! Subodh Sharma, Director of Product Management, Systems Division, Hillphoenix Ignacio…

ATMO Awards North America - contribution to the development of natural-refrigerant technologies

15 April 2025

Nominations Open for the ATMO Awards 2025 / North America!

We are excited to announce that nominations are now open for this year’s ATMO Awards / North America, celebrating excellence in advancing natural-refrigerant technologies. The awards will be presented on June 11, during ATMOsphere America Summit 2025. This year, we will recognize outstanding contributions in four categories: Do you know an individual, company, or project that…

11 April 2025

Heat Pumps Market Trends I More Case Studies!

Welcome the newest additions to the ATMOsphere America Summit 2025 program – see who’s joining the speaker line-up this week! Policy & Standards Session CARB will be joining the session alongside the other expert panelists announced, adding valuable insights to the discussion. Aanchal Kohli, Scientist, California Air Resources Board (CARB) Heat Pumps Market Trends and Overcoming Barriers to Propane Adoption…

7 April 2025

Press Release

ATMO America Conference to Offer ‘Matchmaking” Meetings for Refrigeration Manufacturers and Contractors/End Users Contractors and end users can address their requirements for natural refrigerant applications with major manufacturers at June conference. Atlanta, GEORGIA (April 7, 2025) – The ATMOsphere (ATMO) America Summit 2025, which will take place in Atlanta June 11-12, will feature special “matchmaking” opportunities for…

4 April 2025

Policy Panel!

We’re thrilled to announce the Policy & Standards Session taking place at day one of ATMOsphere America Summit 2025 . This session will provide critical insights from leading policymakers and industry representatives on the challenges and opportunities in today’s evolving regulatory landscape. Don’t miss this chance to stay informed and engage with those shaping the industry’s future. Suzanne Hagell, Chief…

4 April 2025

New End User I First Round of Case Studies Announced!

We’re thrilled to share exciting news today! As we continue to build our program of industry leaders, we’re pleased to announce the addition of Ahold Delhaize USA to the end user panel, joining previously confirmed Aldi USA. Wayne Rosa, Director of Engineering Strategy, Ahold Delhaize USA In addition, discover below the first confirmed refrigeration case study presentations. Refrigeration Case Studies…

20 March 2025

Keynote: The Business Case for Natural Refrigerants —Why End Users Are Making the Switch

We’re excited to announce that Wynand Groenewald, Founder of Future Green Now, will take the stage at ATMOsphere America Summit 2025 to deliver an essential keynote on how end users can save money with natural refrigerants, and find certainty in uncertain times. Wynand will explore the benefits of natural refrigerants through real-world examples from commercial and industrial refrigeration, showing how businesses…

27 February 2025

Last Call for Case Studies!

Don’t miss your chance to showcase your innovative technology case study with natural refrigerants at ATMOsphere America Summit 2025, taking place on June 11-12 in Atlanta! The deadline for submissions is March 7. We’re seeking case studies on heat pumps, industrial and commercial refrigeration, commercial HVAC, and other innovative applications. Manufacturers should present alongside end-users or installers…

17 February 2025

In the Spotlight: Our Conference Venue

ATMOsphere America Summit 2025 will be hosted at the Omni Atlanta Hotel at Centennial Park, offering a prime location in downtown Atlanta. With modern and spacious meeting areas it provides the perfect setting for business interactions, collaboration, and innovation! Book Your Room Today for Best Rates & Availability Take advantage of exclusive room rates starting at US$289 + tax. Stay…

22 January 2025

Call for Case Studies!

You’re invited to submit your technology case studies showcasing natural refrigerants for ATMOsphere America 2025! We are looking for case studies by manufacturers which can be presented along with end-users or installers. Due to limited availability, the selection process will be highly demanding. Please ensure that your submission is also relevant to the American market…

ATMOsphere LATAM conferencia, Ciudad de México, 19-20 de febrero. Industria HVACR y refrigerantes naturales.

10 January 2025

Panel de contratistas I Contractors panel

Continuamos anunciando sesiones y ponentes al programa de ATMOsphere LATAM 2025! Panel de contratistas Démosles una cálida bienvenida a los ponentes que conformarán el panel de contratistas. Allí compartirán sus experiencias con el uso de diferentes tipos de tecnologías con refrigerantes naturales, incluidos los beneficios, los desafíos y los planes futuros. Lisandro Salas Mora, Gerente General, Refrigeración y Soluciones…

Early Bird ATMOsphere America Summit 2025

9 January 2025

Early Bird Offer I ALDI US: first speaker announced!

Get ready for another outstanding edition of ATMOsphere America Summit! Join us in Atlanta on June 11-12 for cutting-edge insights into the cooling and heating industry. Take advantage of our EARLY BIRD registration and save up to US$200 on your pass! Get your tickets here! Expect a strong program with top industry experts, including our first confirmed end user…

Save the Date! ATMOsphere America 2025 Summit will take place on June 11-12 in Atlanta

17 December 2024

Save the Date! I Holiday Offer on Registration

We are extremely pleased to announce the 2025 edition of ATMOsphere America Summit, June 11-12 in Atlanta! Book your pass today Registration is now open! Don’t miss out on our SPECIAL HOLIDAY OFFER – book your pass today and save up to US$ 250. REGISTER HERE. This conference is your chance to connect and exchange insights with top industry…