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IIAR Seeks to Streamline U.S. Safety Rules for Ammonia Refrigeration
A task force has begun discussion with EPA about eliminating regulatory overlap with OSHA and deferring to IIAR standards, among other changes.
Interview: Snowman Group Is the Next Chinese Company with Big Ambitions for the Natural Refrigerants Industry
NaturalRefrigerants.com spoke with International Sales Director Amanda Lin about how the company has established itself in the industry to date and its future growth plans.
Beijer Ref Acquires Refra
‘As demand for natural refrigerant solutions continues to grow, this acquisition enhances our offering and creates opportunities to leverage our global sales network,’ said Joel Davidsson, CEO of Beijer Ref.
Weekly Wrap-up: ebm-papst Gets Acquired, A.O. Smith’s New CO2 Heat Pump, a 3.5MW Industrial R717 Heat Pump Project and More
In addition to what we published this week, these stories caught our attention.
NRDC Outlines Case Against Revision of EPA’s Technology Transitions Rule
The NGO is part of a consolidated lawsuit challenging delays in low-GWP-refrigerant requirements.
IV Produkt Launches Air-Handling Unit with Next-Generation ThermoCooler HP, Available with R290
Designed for Northern European heating demands, the system reduces the need for external chillers, boilers or heat pumps, the company said.
BÄKO Süd-West Acquires 2 eTrucks Equipped with ECOOLTEC’s Propylene/CO2 Refrigeration Units
The German bakery wholesale supplier expects to save €4,000 per vehicle annually compared to conventional options.
Study Finds Leakage of CCl4 Used as HFO Feedstock Could Delay Ozone Layer Recovery
Led by Empa, researchers estimate CCl4 emissions amount to 4.3% of production, contributing to seven-year delay in restoration of ozone layer.
KIMM Demonstrates Ammonia-Based Adsorption Heat Pump for Cooling Using 40°C Waste Heat
HVAC&R Manufacturer Samjung Tech built a 10kW prototype with an electrochemical compressor developed in collaboration with Chung-Ang University.
ATMO LATAM 2027 Is Set for April 19–20 in Santiago de Chile
The event will explore the opportunities and challenges facing natural refrigerants in Latin America’s commercial and industrial HVAC&R sectors.
U.S. State Attorneys General Challenge EPA’s Revision of Technology Transitions Rule
Eighteen states and two localities follow trade groups in asking courts to reverse delays in lowering allowable GWP of refrigerants in commercial and industrial refrigeration.
Weekly Wrap-up: Carrier Donates CO2 TRUs to Berlin University, ebm-papst Heads to InnoTrans, China’s New CO2 Cold Storage Facility and More
In addition to what we published this week, these stories caught our eye.
Rivacold CO2 CDUs and R290 Monoblocs Enable Sustainable Retrofit at Vermont Food Co-op
The units, totalling 32.1TR of capacity, support a piecemeal solution for the space- constrained store, according to contractor Turner Piping.
Mitsubishi Heavy Industries Provides 90kW CO2 Heat Pump System for Adagio Hotel in London
The R744 system provides hot water at 75°C for all 140 units.
ATMO America: St Paul Local 455 Replaced 27 Rooftop HVAC Units with Single CO2 Heat Pump
Commissioned in January, Flow’s ANSWR unit delivers 130°F water, operating solely in air-source mode, to heat the 100,000ft>sup>2 facility.
U.S. EPA Proposes Monitoring TFA in Drinking Water
TFA, an HFO byproduct, is among 30 chemicals under review; the agency is holding webinars on the topic on August 11 and 12, with written feedback due August 31.
Weekly Wrap-up: An R717 Adsorption Heat Pump for 40°C Heat Sources, bluu unit’s data center acquisition, Sanhua’s New Components Package and More
In addition to what we published this week, these stories caught our eye.
European Food Safety Authority Lowers Values for Safe Consumption of TFA
Intended to support consumer protection regulations, EFSA’s updated ADI and ARfD values are based on recent animal studies that showed TFA reducing levels of a thyroid hormone.
IGD Releases Two New Gas Detectors for CO2 and Ammonia
The new BELL LITE can detect up to five gases simultaneously while the BELLMINI has sensor options for up to 18 different flammable, toxic and asphyxiant gases.
Use of Transcritical CO2 Systems and Hydrocarbon Cases Continues to Climb in Latin America
In 2025 CO2 system adoption across commercial and industrial applications grew by 23.5%, while R290 display cases increased by 10%.
Cologne’s 150MW Ammonia-Based District Heating Plant Enters Main Construction Phase
The plant’s three integrally geared ammonia compressors are already at an ‘advanced stage’ of manufacturing, Everllence said.
Weekly Wrap-up: Enex’s Sustainability Report, Fenagy and SCM Frigo’s ‘Record Growth,’ Rivacold’s 1.6MW CO2 Logistics Center and More
In addition to what we published this week, these stories caught our eye.
South Korea: SCM Frigo CO2 Condensing Units Installed at New SK Bioscience Site
The eight roof-mounted units at the Songdo facility provide a nominal cooling capacity of 93.8kW at an evaporating temperature of −5°C.
NVIDIA Develops AI Servers That Can Be Cooled with Liquid at 45°C
The tech giant says the move effectively eliminates the need for chillers in data centers.
GEA Installs 2.4MW Ammonia Refrigeration System at South African Betko Fruit Storage Facility
Adaptive suction setpoint control cuts peak energy use by 20%, while controlled-atmosphere storage extends fruit storage to 14 months.
Pennsylvania Food Processor Installing 185kW Vitalis CO2 Refrigeration Compressor Rack
The Roxsta G6 unit will blast-freeze steamed dumplings at an evaporating temperature of −42°C at the Bethlehem facility.
Interview: China Will Be the World’s Leading Market for Natural Refrigerant Systems, Says ArkRef’s CEO
NaturalRefrigerants.com spoke to Noah Song about the company’s work with CO2 and propane and the state of naturals in China.
Weekly Wrap-up: A GEA 2.4MW Ammonia Cold Storage Facility, Intellihot Gets Acquired, France Permits Propane AC in High-Rises and More
In addition to what we published this week, these stories caught our eye.
Ebm-papst Builds Commercial Heat Pump Demonstration Unit Featuring Its Propane Turbo Compressor
‘Anyone who wants to help shape the heat pump of the future must understand the entire system,’ said Managing Director Hannes Säubert.
UNIDO Secures $14 Million to Phase Out F-Gases Worldwide, Which Includes Projects to Transition to Natural Refrigerants
A total of 43 projects in 22 countries will be funded.
The Expert Opinion: When You Switch to Natural Refrigerants, Your Temperature Monitoring Needs to Switch Too
Ritesh Raj, Growth Engineer at Mindlabs Cloud, on why cold storage operators should revisit their temperature monitoring sensor placement and calibration assumptions after transitioning to naturals.
Weekly Wrap-up: A Sydney Office Tower Installs Propane Heat Pumps, the NASRC’s New Impact Report, an Opportunity for CO2 in New Zealand and More
In addition to what we published this week, these stories caught our eye.
Part 2: Driving Data Center Efficiency: How Alfa Laval Turns Heat Into Opportunity
Anna Blomborg, Head of Data Centers at the company, on the opportunities presented by regulations and corporate sustainability initiatives.
Part 1: Driving Data Center Efficiency: How Alfa Laval Turns Heat Into Opportunity
‘The forecasts we’re seeing are extraordinary – some volume projections seem almost unrealistic,’ Anna Blomborg, Head of Data Centers at Alfa Laval, told NaturalRefrigerants.com.
Beijer Ref Installs ‘Largest CO2 Refrigeration System’ in South Korea at Incheon Airport
The system provides approximately 200kW of refrigeration for a variety of goods.
Use of Natural Refrigerants Expanding Across South Africa Retail and Logistics
Between May 2020 and December 2025, CO2 refrigeration installations tripled, increasing from 220 to 660.
Güntner Equipment Supports 3.5MW CO2 Refrigeration System in Southern Italy Logistics Center
The facility achieves a specific energy consumption of 13kWh per cubic meter per year, despite summer temperatures reaching 42°C.
Industry Roundtable: CO2 Condensing Units Are Gaining Traction in North America
NaturalRefrigerants.com spoke with leaders at Danfoss, Heatcraft, Hillphoenix Kysor Warren Epta US and Zero Zone about the development of the CO2 CDU market in North America.
Epta Middle East Commissioning 370kW CO2 Refrigeration System for Dubai Hypermarket
The ECO2GIANT unit, developed for Australia, operates in temperatures above 48°C using the company’s FTE 3.0 and ETE technologies.
ATMO America: New York Environmental Agency Declares Support for Natural Refrigerants
Suzanne Hagell of the NYSDEC explains how natural refrigerant-based systems help the state achieve the HFC-reduction goals it established in its updated regulations.
Weekly Wrap-up: A Vitalis CO2 Heat Pump Cuts a University’s Emissions, Liquid Nitrogen in Transport Refrigeration, Swegon’s New R290 Heat Pump and More
In addition to what we published this week, these stories caught our eye.
EIA Urges U.K. to Adopt National Cooling Plan that Includes Natural Refrigerants
In the wake of heat waves, the NGO supports the adoption of passive cooling and energy-efficient air-conditioning that use refrigerants like propane rather than HFCs and HFOs.
IRN 2026: CO2 Refrigeration Supports Cruise Industry’s Sustainability Efforts, Says Bitzer
The manufacturer has adapted its CO2 compressors and GK shell-and-tube gas cooler for marine applications, with optional DNV certification.
ATMO America: IIAR Updating CO2 Safety Standard to Address High-Pressure Issues
New Addendum A helps to calculate minimum discharge capacity for relief valves; IIAR research committee is looking at pressure-discharge piping and low-side pressure.
High-Temperature Heat Pumps Standardized at up to 130°C, with Demos Pushing Beyond 160°C, Says Danish Technological Institute
Of the more than 40 entries in the IEA’s HTHP Project 68 database, 75% use natural refrigerants, with outlet temperatures up to 300°C.
Singapore Sets a GWP 150 Limit for New Supermarket Refrigeration and MAC Systems
The new regulation goes into effect July 2027 for supermarkets and July 2028 for vehicles.
ATMOsphere Launches Global Directory for Natural Refrigerant Equipment Manufacturers, Distributors, Installers and Consultants
The directory is hosted on NaturalRefrigerants.com and currently features more than 550 companies with a goal to reach 5,000 companies in 2028.
Weekly Wrap-up: ATMOsphere Network South Korea, the Supreme Court Shuts Down an AIM Act Challenge, LG’s New R290 Heat Pump and More
In addition to what we published this week, these stories caught our eye.
AHRI and Other Trade Groups Challenge U.S. EPA’s Reconsideration of Technology Transitions Rule
The Alliance for Responsible Atmospheric Policy, HARDI, PHCC and ACCA also oppose extension of deadlines for commercial refrigeration applications to switch to lower-GWP refrigerants.
Star Refrigeration Installs 290kW Low-Charge Ammonia System in J D Wetherspoon Distribution Center in the U.K.
The new Azanefreezer 2.0 replaced an older ammonia-based system and is estimated to reduce annual energy costs by £200,000.