The ATMOsphere Podcast Network

The articles in the podcast are as follows: ATMOsphere Launches Global Directory for Natural Refrigerant Equipment Manufacturers, Distributors, Installers and Consultants ATMO America: IIAR Updating CO2 Safety Standard to Address High-Pressure Issues ATMO America: M&M Carnot Outlines Advantages of CO2 for Data Center Cooling EIA Urges U.K. to Adopt National Cooling Plan that Includes Natural R...

The Environmental Investigation Agency (EIA)’s London office has released a briefing urging the U.K. government to publish a National Cooling Action Plan that, among other things, calls for an accelerated phaseout of f-gases and the adoption of natural refrigerants. Read the full story on NaturalRefrigerants.com

Singapore’s National Environment Agency (NEA) has announced a limit of GWP 150 for refrigerants in supermarket refrigeration and mobile air-conditioning (MAC), with the supermarket restriction coming into force July 2027 and the MAC restriction July 2028.  Read the full story on NaturalRefrigerants.com

With 10 years of experience in CO2 (R744)-based data center cooling in North America, M&M Carnot, a subsidiary of Johnson Controls, outlined the refrigerant’s advantages and key market trends in a presentation at ATMOsphere America Summit 2026. M&M Carnot has deployed over 260 CO2 systems for data center cooling, including 200 computer-room air conditioners (CRAC), 41 chiller/heat pumps an...

Star Refrigeration has installed a 290kW (82.4TR) low-charge ammonia (R717) system in a warehouse in Daventry, England, for British pub operator J D Wetherspoon. The 192,000m3 (6,780,416ft3) warehouse stores food, drink and other consumables and serves as a national distribution hub for the chain. The facility is divided into three areas: a 31,000m3 (1,094,754ft3) frozen store, a 24,000m3 (847,552...

The International Institute of All-Natural Refrigeration (IIAR) is updating its safety standard for CO2 (R744) to reflect new approaches to high pressures in transcritical CO2 systems. The updates were explained by Eric Smith, IIAR’s Vice President and Technical Director, at the ATMOsphere (ATMO) America 2026 conference in Tarrytown, New York on June 2. Read the full story on NaturalRefrigerants.c...

ATMOsphere, publisher of NaturalRefrigerants.com, has launched a global directory for natural refrigerant equipment manufacturers, distributors, installers and consultants. The directory contains listings for more than 550 companies across 53 countries on six continents, with new companies added daily. Marc Chasserot, CEO of ATMOsphere, said the goal is to have 5,000 companies in the directory in...

Italian manufacturer Arneg offers propane (R290) chillers with an integrated glycol pump as part of its portfolio of natural refrigerant solutions for small-format stores, according to Enrico Zambotto, the company’s Technical Engineering Director of Refrigeration Systems. Read the full story on NaturalRefrigerants.com

Lync by Watts showcased the flexibility of its CO2 domestic hot water heat pump for large-scale electrification at ATMOsphere America Summit 2026, highlighting its availability in air-source, water-source and hybrid configurations. Andrew Macalusco, Senior Product Manager of System Solutions at Lync by Watts, outlined the technology in a presentation about commercial HVAC market trends. Read the f...

In addition to what we published this week, these stories caught our eye. ATMOsphere and Arneg Korea Host Event in Seoul ECOOLTEC’s TRUs a Fit for Most Electric Trucks LG Releases Launches New R290 Heat Pump in Europe U.S. Supreme Court Refuses to Hear Challenge to AIM Act Read the full story on NaturalRefrigerants.com

The articles in the podcast are as follows: ATMO America: M&M Carnot CO2 Chillers Cool 1.3MW Heat Load at Evocative’s California Data Center ATMO America: Alternative Cooling Start-Ups Seek Industry Partners to Commercialize Technology AHRI and Other Trade Groups Challenge U.S. EPA’s Reconsideration of Technology Transitions Rule Volkswagen Canada Offers the ID.4 EV with a CO2 Heat Pump System...

There are more than 1 million Volkswagen electric vehicles (EVs) on the road with CO2 (R744) heat pumps , which includes a handful in Canada . Volkswagen Canada has offered the ID.4 since 2021, and many of the vehicles sold in Canada have been equipped with a CO2 heat pump, according to the Mobile Air-Conditioning Society.  Read the full story on NaturalRefrigerants.com #GoNatRefs #NaturalRefriger...

The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) and the Alliance for Responsible Atmospheric Policy on June 25 petitioned the United States Court of Appeals for the District of Columbia Circuit to review a final reconsideration rule revising the 2023 Technology Transitions Rule that was announced on May 21 by the U.S. Environmental Protection Agency (EPA). Read the full story on...

Danish component manufacturer @ Danfoss has launched a new line of oil separators and receivers for transcritical CO2 (R744) systems, rated at a maximum working pressure of 140bar (2,030psi). Suitable for CO2 chillers, heat pumps and refrigeration systems, the new OUB line spans capacities from 89 to 1,400kW (25.3 to 398.1TR) and is available in both serviceable and hermetic models.  Read the full...

Global HVAC supplier Systemair has launched Geniox HP DFN, a new packaged air-handling unit (AHU) with an integrated propane (R290) heat pump. Systemair positions the R290-based unit as a future-proof solution that complies with relevant EU environmental regulations; it meets strict f-gas requirements and is PFAS-free under REACH (Registration, Evaluation, Authorization and Restriction of Chemical...

Three start-up companies that have developed alternative cooling and heating technologies that don’t use standard vapor compression are seeking to partner with manufacturers of natural refrigerant-based systems to bring their products to the marketplace. Read the full story on NaturalRefrigerants.com

Lithuania-based manufacturer Refra has delivered a 2.4MW (682TR) CO2 (R744) refrigeration system for an entire cold-storage facility in London operated by a foodservice wholesaler. The 44,129m2 (475,001ft2) facility “is designed to become a showcase of efficiency, capacity and service in the U.K.,” wrote Refra. Read the full story on NaturalRefrigerants.com

In a retrofit application, M&M Carnot , a subsidiary of Johnson Controls, supplied CO2 (R744) chillers to cool approximately 1.3MW (370TR) of IT heat load at Evocative’s Santa Clara, California, edge colocation data cente Read the full story on NaturalRefrigerants.com

In addition to what we published this week, these stories caught our eye. Systemair Announces Air-Handling Unit with Integrated Propane Heat Pump Panasonic Launches New Residential CO2 Hot Water Heat Pumps in Australia Danfoss to Donate 100 Refrigeration Training Benches to Schools Worldwide Copeland Releases Global Impact Report Highlighting Importance of Natural Refrigerants Enex Technologies Se...

The articles in the podcast are as follows: ⁠ATMO America: Buc-ee’s Opens Its First Travel Center with CO2 Refrigeration in Ohio⁠ ⁠ATMO America: UL Working Group Aims to Update Propane Charge Limits for HVAC by 2028⁠ ⁠Magnotherm Announces Stellar, a 125kW Refrigerant-Free Magnetic Cooling System for Data Centers, HVAC and Industry⁠ ⁠SCM Frigo Starts Up 2.8MW Transcritical CO2 Refrigeration System...

Italian manufacturer SCM Frigo has started up a 2.8MW (796TR) transcritical CO2 (R744) refrigeration system featuring heat reclaim for a French facility in the beauty and cosmetics industry. The project was initially announced at the 2025 IRN conference in Rottenburg am Neckar, Germany, last June Read the full story on NaturalRefrigerants.com

To highlight the theme of this year’s World Refrigeration Day, the Secretariat behind the commemoration has established a “2026 Cool Intelligence Showcase” featuring photos sent in by refrigeration stakeholders from around the world along with their comments about the meaning of cool intelligence and how they use it. Read the full story on NaturalRefrigerants.com

A UL working group focused on updating charge standards for flammable (A3) refrigerants like propane (R290) in HVAC applications such as outdoor monobloc heat pumps is aiming to finish revised text in 2027 that will be incorporated in the 2028 (fifth) edition of the UL/CSA 60335-2-40 safety standard for electrical heat pumps, air-conditioners, and dehumidifiers used in the U.S., Canada and Mexico....

The use of transcritical CO2 (R744) refrigeration in commercial and industrial applications continues to rise in both Australia and New Zealand, according to ATMOsphere’s report “ Refrigeration: Commercial and Industrial Refrigeration with Natural Refrigerants .” Read the full story on NaturalRefrigerants.com

U.S. manufacturer Zero Zone is supplying a 91TR (320kW) transcritical CO2 (R744) refrigeration system for a new grocery fulfillment center in Nashville, Tennessee, according to Director of Industrial Sales John Collins. Read the full story on NaturalRefrigerants.com