ATMOsphere, publisher of, has announced that the dates for its ATMOsphere (ATMO) America Summit 2023 will be Monday, June 12, and Tuesday, June 13, 2023, in Washington, D.C., and registration is open.

This 12th annual edition of ATMO America will gather key industry experts, including manufacturers, policy makers, end users and contractors, to learn about the latest developments in natural refrigerant-based HVAC&R systems, including those using CO2, hydrocarbons and ammonia. Last year’s ATMO America conference was held in Alexandria, Virginia, just outside of Washington, D.C.

You can now register for the event here and find the preliminary program and other information on the event website.  ATMOsphere is offering an Early Bird discount of up to US$150 on standard tickets until February 24. End users can register for free, and contractors/installers of HVAC&R systems are eligible to receive one free ticket per organization, with a 50% discount on additional tickets.

The Platinum sponsor of ATMO America 2023 is Hillphoenix. Gold sponsors are M&M Carnot, Kysor Warren and Emerson. Information on sponsorships can be found here.

The program will feature a keynote presentation; end users’ experiences with natural refrigerants; applications of natural refrigerant heat pumps; policy and standards updates, including the latest from the U.S. Environmental Protection Agency (EPA) on its “Technology Transitions” proposed ruling; a discussion on the impact of PFAS refrigerants on health and safety; market and technology trends; and case study presentations.

Presentations from last year’s ATMO America can be found here.