The ATMOsphere Podcast Network

A U.S. federal appeals court on August 1 denied challenges by two U.S. refrigerant manufacturers – Choice Refrigerants and IGas – to the implementation of HFC reduction measures prescribed by the American Innovation and Manufacturing (AIM) Act of 2020. A three-judge panel of the U.S. Court of Appeals for the District of Columbia Circuit rejected the companies’ arguments that the U.S. Environmental...

German refrigeration manufacturer Teko has detailed the installation of a 103kW (29.3TR)-capacity CO2 (R744) booster system for a “challenging” refurbishment project at a 2,220m2 (23,680ft2) Rewe supermarket in the Lindenhof district of Mannheim, Germany. The project presented unique challenges due to the store’s urban location, nestled beneath a senior living home and flanked by residential build...

https://naturalrefrigerants.com/atmo-america-energy-recoverys-px-g1300-could-improve-the[…]efrigeration-systems-by-up-to-15-at-95f-says-hillphoenix/ https://naturalrefrigerants.com/the-united-states-is-driving-demand-for-the-henry-groups-natural-refrigerant-products-according-to-its-ceo/ https://naturalrefrigerants.com/eberspacher-to-launch-multiple-r290-based-thermal-management-systems-for-buses/...

Multinational retailer AEON has announced plans to transition all refrigeration and freezer units in its Japanese stores to natural refrigerants by the end of fiscal year 2040 as part of its broader efforts to cut carbon emissions and promote sustainable operations. The company, which has been installing CO2 (R744)- and hydrocarbon-based refrigeration units at its new stores since 2015, is now wor...

Germany’s Ait-group has unveiled two residential propane (R290) heat pumps with a refrigerant charge of just 150g, allowing for safe operation in indoor residential applications without the need for a separate ventilation system. This approach results in a more space-efficient and cost-effective solution for domestic heating, according to the manufacturer. The new models – the WZSV 63 from ait’s p...

CCR Commercial Refrigeration , a supplier of commercial and industrial turnkey CO2 (R744) refrigeration systems and services, has announced that as of July 15, its entire range of CO2 gas coolers will be manufactured to operate at 130bar (1,885psi). “As temperatures get higher each year, performance and reliability under extreme conditions have never been more crucial,” CCR said. “That’s why we ar...

Eberspächer, a German manufacturer of thermal management systems, has announced plans to introduce propane (R290) versions of its AC138 EVO and AC135 solutions for buses and coaches. The R290 products are slated to launch in 2026 and will be officially unveiled at the Busworld 2025 exhibition in Brussels, October 4–9. The new systems are designed to meet increasing market demand for high efficienc...

A new textbook, Safe with Propane In Heat Pumps and Chillers ( Trygg med Propan I Varmepumper Og Kjølemaskiner ) “provides an easy-to-understand and professionally sound introduction to how to work safely with propane [R290] in heat pumps, air conditioning and refrigeration systems,” says author Stig Rath on his website . Rath, a Norwegian refrigeration expert with nearly 40 years of experience, s...

Incorporating Energy Recovery ’s PX G1300 pressure exchanger into transcritical CO2 (R744) racks could improve COP by up to 15% in 95°F (35°C) ambient temperatures, according to Ousama Sabra, Senior Product Manager at U.S. OEM Hillphoenix . Fardis Najafifard, Refrigeration Application Engineer at Energy Recovery, joined Sabra in a presentation at ATMO America 2025 to outline the energy consumption...

In December 2024, Henry Group Industries posted on LinkedIn about the delivery of a new CNC machine that would enable it to double the production capacity for its 57 series transcritical CO2 (R744) pressure relief valve (PRV). The addition of the CNC machine was crucial to meet the needs of the U.S. market, which is driving demand for Henry’s natural refrigerant products, according to CEO Julian P...

In the show notes, these are the titles with links to the stories: These Chinese Automotive OEMs Are Building CO2 and R290 MAC Systems and Components for EVs: https://naturalrefrigerants.com/these-chinese-automotive-oems-are-building-co2-and-r290-mac-systems-and-components-for-evs/ Window-Mounted Heat Pumps Offer Lowest-Cost Solution to Decarbonize Multifamily Buildings, According to ACEEE Study:...

The International Institute of All-Natural Refrigeration (IIAR) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) announced in a LinkedIn post that they have signed an updated Memorandum of Understanding (MOU) that “underscores their commitment to advancing and promoting the mutual interests of their members.” “This partnership marks a significant step forw...

U.S. pharmacy chain Walgreens has deployed an integrated transcritical CO2 (R744) rack system at its flagship net-zero energy store in Evanston, Illinois, in an effort to boost energy efficiency and reduce operational costs. Manufactured by U.S.-based OEM Zero Zone , the 38TR (133.6kW)-capacity Genesys CO2 Transcritical System delivers low- and medium-temperature refrigeration, air-conditioning, s...

The Move to −15°C Coalition , a global sustainability initiative dedicated to exploring and enabling an increase in the standard temperature set point of the frozen-food cold chain from −18°C (−0.4°F) to −15°C (5°F), has grown five-fold to 55 members since its launch at the United Nations Climate Change Conference (COP28) in December 2023. The Coalition provided that update last month on World Ref...

Chinese automaker Dongfeng is currently working with the United Nations Industrial Development Organization (UNIDO) on a pilot project for a CO2 (R744)-based air conditioner for electric vehicles (EVs). This project is designed to ensure China is fully equipped to transition from R134a-based mobile air-conditioning (MAC) systems in cars by July 1, 2029, the date the country’s new regulation bannin...

Secon , a German hydrocarbon chiller and commercial heat pump manufacturer, sold natural refrigerant products in 2024 that avoided the lifetime release of 1.04 million metric tons of CO2e (GWP 20) and 5.5 metric tons of TFA (trifluoroacetic acid), according to estimations by ATMOsphere, the publisher of NaturalRefrigerants.com. The calculation was done as part of the process for reapproving Secon...

Katsuhiko Harada, President of Nihon Netsugen Systems , outlined the company’s growth in Southeast Asia and plans to extend the reach of its CO2 (R744) products in an interview with Jan Dusek, COO and Co-Founder of ATMOsphere, publisher of NaturalRefrigerants.com. Under its Super Green line, NNS manufactures CO2 condensing units for cold storage and industrial processing applications. It also prod...

Window-mounted heat pumps offer the lowest cost solution to decarbonize large multifamily buildings using fossil fuel central heating systems, according to a new study from the American Council for an Energy-Efficient Economy (ACEEE). “Each building will have unique opportunities, but our analysis indicates a potential order to investigate options,” said Steven Nadel, Executive Director of ACEEE a...

The Global Cold Chain Alliance (GCCA) and the American Frozen Food Institute (AFFI) have recently developed a new protocol to standardize and modernize temperature monitoring across the frozen food supply chain, tracking fluctuations from production to distribution. The protocol is designed to help frozen food manufacturers, cold chain logistics providers and retailers “improve operational efficie...

Johnson Controls has announced it is expanding its Holme manufacturing facility in Aarhus, Denmark, to increase the production of large-scale Sabroe-branded heat pumps for commercial and industrial applications. The Holme facility, situated on 14 hectares (34.6 acres), manufactures customized Sabroe heat pumps and chillers, including units using ammonia (R717), CO2 (R744) and propane (R290). The e...

Three leading European environmental NGOs have collaborated to raise public awareness through a new video about the health and environmental risks of HFCs and HFOs that degrade into trifluoroacetic acid (TFA), a PFAS (per- and polyfluoroalkyl substances), in the atmosphere. Deutsche Umwelthilfe (DUH), the European Environmental Bureau (EEB) and ChemSec, with the support of the German Federal Minis...

 Connecticut retailer Cingari Family Markets is upgrading refrigeration systems across its 12 ShopRite-branded supermarkets to CO2 (R744)-based technologies in a move to “future proof” its business amid tightening state and federal environmental regulations, while also reducing energy use. To date, three Cingari Family Markets stores have been remodeled, with three more currently in the design pha...

Star Refrigeration, a Scottish manufacturer of industrial refrigeration systems, has doubled the frozen storage capacity of a NewCold high-bay automated warehouse in Corby, United Kingdom, with a 2.75MW (782TR) ammonia (R717) expansion system. The installation completed the second phase of a three-phase project. It added 75,000 pallet positions, bringing the total capacity of the facility to 150,0...

  ATMOsphere , a global market accelerator of clean cooling and heating solutions and publisher of NaturalRefrigerants.com, has reapproved the ATMO Approved Natural Refrigerants Label for Güntner , a German manufacturer of heat exchangers. Güntner was approved for the ATMOsphere label in 2022 , its inaugural year. The company has since been reapproved for the label three straight years.  “This rec...

 The United Nations Industrial Development Organization (UNIDO) is currently developing pilot projects in China and India for natural refrigerant-based mobile air-conditioning (MAC) systems for cars. UNIDO launched the three-year project in 2023, which is funded by the Climate and Clean Air Coalition (CCAC), with the goal of piloting a CO2 (R744)-based air-conditioning system for electric vehicles...