ATMOsphere Australia 2025
The event for advancing natural refrigerants
This event has ended — thank you to everyone who joined us in Sydney.
- Date
- 12–13 May 2025
- Location
- Sydney, Australia
- Venue
- Sheraton Grand Sydney Hyde Park
About
Attendees
End users, policy makers, manufacturers, researchers, academia, consultants, NGOs, associations, media, and other relevant key industry experts & thought leaders.
On the agenda
- Market and technology trends
- Latest policy developments
- Impact of HFOs: PFAS and global warming
- End user presentations
- Industrial refrigeration and heat pumps
- Commercial HVAC
- New applications for natural refrigerants
You will learn
- 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




























Programme
- 8:00AM
Registration & Welcome Coffee
Participants are invited to the registration table to pick up their name badge upon arrival.
- 8:45AM
Introduction to Day 1
Welcome and introduction by ATMOsphere: Marc Chasserot, Founder & CEO, and Jan Dusek, COO & head of APAC
Welcome and introduction by Jan Dusek, Co-founder, Group COO, Head of APAC, ATMOsphere
- 9:15AMPanel
Market Trends: Industrial Refrigeration & Heat Pumps Panel
Key experts will share the latest market trends related to natural refrigerant heat pumps and industrial refrigeration technologies in Australia and New Zealand. The trends affecting the industry—either driving or impeding the adoption of natural refrigerants—will also be addressed.
ModeratorJan Dusek, ATMOsphere
Stefan Jensen, Managing Director, ScantecThe renaissance of ammonia - How much energy does low charge NH3 save?
Christopher Paulson, Director, MB Group Solutions
Terry Presley, Regional Manager Pacific, Industrial Refrigeration, Johnson ControlsNatural refrigerant – A packaged product perspective
Jarrod Leak, CEO, Australian Alliance for Energy Productivity (A2EP)Billion-dollar decarbonisation opportunity with heat pumps in Australia
- 10:30AM
Networking Break
Coffee, tea and light snacks will be served in the sponsor exhibition area.
- 11:00AMSession
Policy, Standards and Training
Key representatives will discuss the policy and standards developments impacting the uptake of natural refrigerants in Australia and New Zealand
ModeratorMarc Chasserot, ATMOsphere
Matthew Darby, HVAC&R Industry - Trustee, Cool-Safe (NZ)
Ron Pulido, Sector Lead, National Australian Built Environment Rating System (NABERS)Emissions in the built environment – Measuring, reporting and compliance
Peter McQueen, Engineer and Trainer, PL & D McQueenTraining Australia – Naturally
Mike Nasser, Senior Compliance Engineer, AAPT GroupHydrocarbon safety and compliance requirements in Australia
Ben Adamson, Director, RedynamicsCertification of imported hydrocarbon packages and what needs to change
- 12:30PM
ATMO Networking Lunch
- 1:30PMSession
End User Case Studies
Leading end users and manufacturers will share their experiences using different types of natural refrigerant technologies, including benefits, challenges and future plans.
ModeratorJan Dusek, ATMOsphere
Graeme O'Brien, Managing Director, Fernhurst, Ludi Kuijpers, International Sales, GEA, & Stefan Jensen, Managing Director, ScantecWhy low-charge ammonia is the smart choice for industrial refrigeration
Trevor McCarren, Director Technical Services Pacific North, Accor Hotels & Terry Plaisted, Director, Automatic HeatingEnhancing sustainability & energy efficiency: CO₂ heat pumps at Mercure Hotel
John Di Losa, CEO, Cold Xpress; Dave Moffat, Contract Manager, & Orfy Panaccio, Managing Director, Inner City Refrigeration; Adrian Bukmanis, Technical Officer, The Natural Refrigerants Company CO₂ transcritical refrigeration with heat reclaim and hot gas defrost – a comparative case study from cold storage in Melbourne
- 2:30PM
Networking Break
Coffee, tea and light snacks will be served in the sponsor exhibition area.
- 3:00PMSession
Technology Case Studies
Case studies presented by leading manufacturers, about commercial and industrial applications of natural refrigerants.
ModeratorJan Dusek, ATMOsphere
Peter O’Neill, Director/General Manager, Mayekawa Australia & Eujin Tan, Senior Engineer, Hoctor RefrigerationNH3 heat pump technology - Meat processing application
Rickey Du, Product and Technology Manager, Industrial Refrigeration, Johnson Controls, & Huey Liew, Engineer, City Facilities ManagementThe first approved propane chiller installation in QLD
Martin Millow, General Manager NZ, Mayekawa Australia & Dylan Wedding, Director of Engineering, Excel EngineeringAmmonia / CO₂ cascade - A retrofit for the future
Michael Bellstedt, CEO, MINUS40 Group & Christopher Paulson, Director, MB Group Solutions Advanced CO₂ refrigeration system with heat recovery & thermal storage at food processing facility
- 4:30PMSession
Conclusions
Summary of Day 1 with key takeaways
- 7:00PM
Networking Reception
Participants are invited to join us for a networking dinner reception in the Grand Ballroom, on the 2nd floor of the Sheraton Grand Sydney Hyde Park, our conference venue.
Speakers
Venue
Sheraton Grand Sydney Hyde Park
Sydney, Australia
Announcements

Last chance to register at the standard rate!
Just over two weeks left until ATMO Australia 2025! These are the last few days to secure your pass at the standard rate, until 25 April – make sure to book it today! Seize this opportunity to join 85 confirmed organisations at the premier thought leadership conference on future-proof HVAC&R technologies and grow your business with NatRefs. Register here End user case…
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Last call for sponsors I List of organisations attending
Showcase your market leadership ATMO Australia 2025 offers a unique platform to highlight your leadership and expertise in environmentally friendly, future-proof solutions to an audience of HVAC&R stakeholders. Don’t miss this final opportunity to secure your place as a key sponsor and position your organisation at the forefront of the industry. Explore the sponsorship benefits and contact Jan Dusek today to…
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Meet our newly announced speakers!
Welcome the newest additions to the ATMO Australia 2025programme – see who’s joining the speaker line-up this week! Preshit Fadnis, HVAC Solutions Consultant, Panasonic & Hussmann | The future of natural refrigerants through strategic partnerships Claudia Fullford-Hurst, Head of Key Accounts – Australia & New Zealand, Arneg Oceania | Natural refrigerant application trend in commercial refrigerated showcase in Australia & New Zealand market Policy, Standards and…
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Welcome our new speakers!
More industry leaders are joining ATMO Australia 2025! This week, we’re excited to welcome new presenters who will share their expertise on the latest trends, challenges, and innovations with natural refrigerant-based technologies. Policy, Standards and Training Mike Nasser, Senior Compliance Engineer, AAPT Group | Hydrocarbon safety and compliance requirements in Australia End User Case Studies Yan Gu, Senior Showcase Engineer, Woolworths, &Naimul…
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Welcome our new speakers
We’re excited to introduce more top experts to the ATMO Australia 2025 programme! With deep industry knowledge and hands-on experience, our speakers will share valuable insights and perspectives on key topics. Expect engaging discussions on the latest trends, challenges, and opportunities shaping the future of the clean cooling and heating industry. Market Trends: Industrial Refrigeration & Heat Pumps…
Read more
New Speakers Announced!
Real Impact of HFOs & PFAS Panel ATMO Australia 2025 is addressing one of today’s most pressing environmental challenges: the impact of HFOs and their TFA (trifluoroacetic acid) degradation product on health, safety, and the environment. The importance of defining PFAS (“forever chemicals”) to include certain HFOs, HFCs and TFA will be addressed. We’re excited to introduce our…
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First Speakers Announced
We’re excited to announce the first group of speakers for ATMO Australia 2025, taking place on May 12-13 in Sydney. Join us in giving them a warm welcome! Market Trends: Industrial Refrigeration & Heat Pumps Panel Policy, Standards, and Training Panel End User Case Studies Stay tuned, more speaker announcements and news coming soon.
Read more
Tentative programme announced!
Programme Features ATMOsphere Australia 2025 promises to be the ultimate destination for those seeking in-depth knowledge about current trends and future developments in natural refrigerant-based technologies, in the Australian and New Zealand markets. Explore below the innovative two-day programme we’re preparing for you, and keep an eye out for more news coming soon!
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Call for Case Studies!
You’re invited to submit your technology case studies showcasing natural refrigerants for ATMOsphere Australia 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 Australian and…
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Registration now open! Early Bird offer
Registration for ATMOsphere Australia 2025 is now open! Don’t miss the opportunity to register early and secure your conference pass at a special discounted rate of AU$200.After 5 years, ATMO Australia is back with exciting programme features. The tentative agenda will be published in January, showcasing insights from local and international experts.Expect discussions on market and technology trends, latest policy…
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Welcome our new sponsors
Building on the excitement from our previous announcement about Woolworths‘ keynote at ATMOsphere Australia, we are thrilled to welcome our new Gold Sponsor Mayekawa (MYCOM) Australia, and Bronze Sponsors Dorin, Henry Technologies, and Vahterus. Their support highlights the growing momentum of the event, and we’re eager to showcase their contributions to the industry. The conference will gather key HVAC&R industry experts,…
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Keynote – The Future is Natural: Decarbonising Supermarkets
We’re excited to welcome our first end-user keynote speakers from Woolworths at ATMOsphere Australia. They will share strategies and practices that supermarkets can adopt to reduce their carbon footprint and promote sustainability. Dario Ferlin, National Sustainable Engineering Manager, Woolworths Samantha Bothma, Senior Refrigeration Engineer, Woolworths In addition, welcome to our new Gold sponsor, Arneg Oceania! Join us in Sydney on 12 &…
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Welcome to our new sponsors
We’re excited to announce the addition of new sponsors showcasing their natural refrigerant HVAC market leadership at the upcoming ATMOsphere Australia, taking place on 12-13 May 2025 in Sydney. GOLD SPONSORS: Geoclima and Panasonic BRONZE SPONSOR: Temprite Sponsor the conference Would you like to be a part of ATMOsphere Australia 2025? Sign up now to maximise your return on investment – this…
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Save the date! Welcome to our first sponsors!
Exciting news! After five years, ATMOsphere Australia returns on 12-13 May 2025 in Sydney. The event will be held at the Sheraton Grand Sydney Hyde Park. This event will bring together leading local and international HVAC&R industry experts, policymakers, end users, and contractors to explore the latest advancements in natural refrigerant-based solutions. Expect a packed agenda featuring keynote speeches; insights into market…
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