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.
ARF 2-Phase Flow Project Looks at Piping Configuration
What difference does the design of vertical piping arrangements have on two-phase ammonia fl ow? Can pressure drop in the suction riser be minimized or stabilized, leading to a significant decrease in power consumption at the compressor?
Read MoreFinal Changes to the 2015 International Codes
The 2015 editions of the International codes, including the International Mechanical Code (IMC) and the International Fire Code (IFC), have been completed and will be published later this year. A number of changes to these codes are of interest to IIAR members.
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Don’t Forget the Paperwork
It seems relatively simple: If the emergency contact for your facility changes, you must submit a corrected Risk Management Plan to the EPA within one month if your facility is covered by EPA’s Risk Management Program Rule (40 CFR Part 68). Y
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Building Efficiency Beyond the Machinery Room
Building an energy-efficient machinery room can make a big difference in energy savings. But how much of a difference is largely dependent on what takes place outside of the room, where influences throughout the facility play a significant role in energy usage.
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Brazil Faces Challenges, Opportunities, with HCFC Phase Out
Brazil will host the 2016 Olympics and the World Cup this year, two high-profi le events that will draw the attention of the rest of the world. And within our industry, several factors are making the country worth watching as it takes an increasingly central role in the international growth of natural refrigerants.
Read MoreIAR Responds to Media Coverage
Two days after publishing a news story which many in the industrial refrigeration industry felt overstated the potential hazards of ammonia to the public, Pennsylvania-based newspaper, the Times Tribune, ran a follow-up news story presenting the industry in a more positive light.
Read MoreFrom the Technical Director
When the tragedy involving the explosions of ammonium nitrate occurred at the West, Texas, fertilizer facility last year, much of the national conversation turned to how industries can work to better protect workers and the public at large.
Read MoreGovernment Relations Committee Focuses Attention on Regulatory Issues
IIAR Committees serve as a valuable forum for the open discussion of the critical issues facing the industry. IIAR’s government relations committee is one of the organization’s newest committees, focused on IIAR’s mission of advocacy
Read MoreChairman’s Message by Bob Port
One of the most important functions of the IIAR Board of Directors is to set the strategic direction of the association every year. This year, board members met at the headquarters of ConAgra Foods in Omaha, Nebraska, to talk about ongoing initiatives and start making plans for the year ahead.
Read MorePresident’s Message by Dave Rule
The second half of the year is always a challenging and busy time for the International Institute of Ammonia Refrigeration, and so far, 2013 has followed that precedent. As we wrap up this year’s work on behalf of the industry, the IIAR leadership is pleased to report on several successful initiatives in many different areas.
Read MoreIIAR Developes Installation Standard
As part of IIAR’s ongoing effort to create and update its comprehensive suite of standards, one small but important standard is set to be introduced next year.
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The Executive Order on Chemical Security: A Closer Look
On August 1st, President Obama announced the signing of an Executive Order entitled “Improving Chemical Facility Safety and Security.”
Read MoreFirefighting with Refrigeration
IIAR has had much success in the past 15 years in the model code arena, updating codes to more appropriately regulate ammonia refrigeration. I’m sometimes asked how we were able to sway the opinions of so many fire safety regulators to support approval of IIAR proposals, and the answer, in a word, is “education.”
Read MoreThe Color CONUNDRUM. IIAR DEFINES PIPING CONVENTION
The importance of color coding ammonia refrigeration piping is a generally accepted best practice these days, but the debate over which colors to use has been anything but black and white.
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Where’s that vapor going?
Where’s that vapor going? Sooner or later that question must be answered when some type of work is required on an ammonia refrigeration system.
Read MoreIIAR’S FIRST CENTRAL AMERICA CONFERENCE
The International Institute of Ammonia Refrigeration held its first regional seminar for Central America and the Caribbean in Costa Rica last month, an event that marked the organization’s increasing involvement in education and safety advocacy in Latin America.
Read MoreCosta Rica Looks to Neighbors, IIAR, to Promote Natural Refrigerants in Central America
In 2013, the Costa Rican government began implementing its national strategy to eliminate hydrochlorofl ourocarbons while supporting IIAR’s first Industrial Refrigeration seminar in Central America.
Read MoreRoutine Rooftop Maintenance Creates Requirement for Fixed Industrial Stairs
Increased regulatory scrutiny and the growing emphasis on process safety management have spurred a steady relocation of equipment from production room fl oors, freezers and coolers to facility rooftops.
Read MoreEPA Looks to IIAR in HFC Phase-Down Meeting
The search for non-ozone-depleting technologies is intensifying, with ammonia and other natural refrigerants emerging as the most viable solutions for industrial refrigeration, thanks to international treaties that put pressure on countries to phase down CFC’s and identify alternatives.
Read MoreRemembering Don Siller
Whether it was helping friends, family, and colleagues or advancing the interests of the International Institute of Ammonia Refrigeration, people who knew Don Siller described him as someone who was passionate about life.
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