The Natural Refrigeration Review is a quarterly publication that contains technical articles, regulatory and code updates, industry news and information about IIAR activities and publications. It is distributed by email to all IIAR Members and IIAR Contact lists.
SUMMER 2026 THE NATURAL REFRIGERATION REVIEW
The Natural Refrigeration Review issues are available as PDF downloads for both lIAR members and non-members, or as individual article posts below. Click the button to view the full issue, or scroll through all the individual issue articles below.
President’s Message by Gary Schrift
It’s IIAR conference time again, which means immediately following the March Conference, in April 2024, it will be time to begin the membership renewal process for the 2024-2025 IIAR Membership year which runs from July 2024 through June 2025.
Read MoreIIAR Remembers
Roger was born in Missoula, Montana, to Jerry and Gwen McMillan. He spent his early childhood in Spokane, Washington, and then Jerry and Gwen relocated their dry-cleaning business to Colville, Washington, where Jerry invented specialized laundry machines and started the Colmac businesses.
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Colmac Coil Builds Cooler for NASA
Colmac Coil said it has built a specialized replacement fluid cooler for the cooling system of the 70-meter (230 feet) diameter dish antenna that is officially known as Deep Space Station 14 (nicknamed Mars antenna) that’s part of the Deep Space Network (DSN). The company said the project was completed for the National Aeronautics and Space Administration (NASA) Jet Propulsion Laboratory (JPL). Located at the agency’s Goldstone site near Barstow, California, the Colmac Coil fluid cooler will help cool a part of the largest and most sensitive scientific telecommunications system in the world.
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What’s NEXT: LESSONS FROM CALIFORNIA’S HFC PHASEDOWN
Companies nationwide are phasing out high global-warming potential refrigerants as they comply with federal and state regulatory requirements and meet their corporate ESG and climate goals. The natural refrigerant industry is prepared to meet increasing demand.
Read MoreMergers and Acquisitions in the Refrigeration Industry Continue
The refrigeration industry has experienced several notable mergers and acquisitions, addressing the increasing need for ultralow global warming potential refrigerant technologies and solutions.
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EPA Publishes Final Technology Transitions Rule to Phase Down HFCs
In October 2023, Environmental Protection Agency (EPA) Administrator Michael Regan signed the Final Rule Technology Transitions authorized under the American Innovation and Manufacturing Act designed to phase down hydrofluorocarbon (HFC) use.
Read MoreCopeland Announces DOE Grant Award
Copeland announced that it has received a U.S. Department of Energy (DOE) grant to support a $2.5 million project to research and develop innovative heat pump technology for heating, ventilation and air conditioning (HVAC) systems. The company said the grant will fund the research and development for a modular, plug-and-play, load-flexible heat pump technology with low-cost thermal energy storage for space conditioning and water heating.
Read MoreIIAR Standards Update
IIAR 1: ANSI/IIAR 1-2022 Standard for Definitions and Terminology Used in IIAR Standards is presently in effect. It will be opened up for review starting in mid-2026 for its next revision with a targeted completion with ANSI approval in 2027.
Read MoreIIAR Annual Conference to Provide Technical Knowledge, Industry Insight to Members
IIAR’s 2024 annual Natural Refrigeration Conference & Expo in Orlando, Florida, March 24-27 will provide technical knowledge, networking and industry-sponsored events for those involved in the natural refrigerant industry. There will be numerous educational opportunities throughout the conference, and attendees can earn professional development hours
Read MoreTechnical Papers Provide In-Depth Thought Leadership at the IIAR Conference
During the annual IIAR Industrial Refrigeration Conference & Exhibition, industry experts will present technical papers for the IIAR Technical Program. This year’s papers will address several key categories, including heat exchangers, cold storage, ammonia charge, CO2 optimization and more. There is also a series of workshops and panels that will discuss various other topics.
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Innovative Refrigeration Announces Tube Ice Maker Project with CO2 Refrigerant
Innovative Refrigeration Systems said it completed a two-stage cascade refrigeration system for a tube ice maker in Pennsylvania. The company said the project is unique because the tube ice makers were specifically designed to work with CO2 as the refrigerant, making them environmentally friendly.
Read MoreTraining on Ammonia Systems Keeps Employees and Facilities Safe
Training at ammonia refrigeration facilities is critical to ensure safety and comply with regulatory requirements. Nearly everyone who works at a location with ammonia onsite needs training, even if they don’t work on the systems directly.
Read MoreIIAR Marked Notable Accomplishments Throughout 2023
IIAR staff and IIAR’s many volunteer committees were hard at work throughout 2023 and have strengthened the membership offerings, provided valuable education, and furthered the organization’s mission through advocacy, work with regulatory agencies and new partnerships.
Read MoreTechnical Papers
Generally, safety standards for refrigeration systems require the placement of at least one overpressureprotection device on all carbon-dioxide (R-744) systems as well as on vessels manufactured in accordance with the American Society of Mechanical Engineers Boiler and Pressure Vessel Code, Section VIII Division I, or the regional equivalent1,2.
Read MoreIIAR Remembers
Chuck Hansen, a serial entrepreneur who was always at the center of things, passionately expanding connections and networks to advance the natural refrigeration industry, build his visionary products, and mentor the next generation of engineers, has passed away at the age of 100.
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ARE NATURAL REFRIGERANTS THE ONLY SURE BET?
“With the second regulation finalized, the EPA is addressing technology transition. It previously focused on production and consumption and will next consider and rule on refrigerant management.
Read MoreIIAR Interview with HARRY GRAY
Several industries are experiencing consolidation, including refrigeration, and Condenser sat down with Harry Gray, CEO of Kelvin Group, to learn more about changes that are taking place.
Read MoreTraining Provides Guidance and Insights for OSHA Field Personnel
IIAR, the Industrial Refrigeration Consortium (IRC), and the Global Cold Chain Alliance are continuing their work to provide information on ammonia systems, including their principles of operation, major subsystem components, and materials of construction, to the Occupational Safety and Health Administration’s compliance safety and health officers. Two trainings took place in 2023 and the groups plan to offer it again in 2024.
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EPA Publishes Final Technology Transitions Rule to Phase Down HFCs
On October 5th, Environmental Protection Agency (EPA) Administrator Michael Regan signed the Final Rule Technology Transitions authorized under the American Innovation and Manufacturing Act designed to phase down hydrofluorocarbon (HFC) use.
Read MoreFilling Levels of Pressure Vessels by Volume for Refrigerants
In the ammonia refrigeration industry, maintaining the proper filling levels of pressure vessels is essential for safety, efficiency, and regulatory compliance. Appropriately filled vessel ensures that ammonia refrigeration systems operate optimally, reducing energy consumption and preventing safety hazards
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