The Official Magazine of the All-Natural Refrigeration Industry

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.

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EXHIBITOR LISTING

AAIM Controls  From starters and drives to PLC systems and microprocessor designs, AAIM Controls has the expertise for all your automation requirements with over 90 years of combined refrigeration controls experience.

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From the Technical Director

The topic of alarms and detectors is often discussed in this publication and several others. Perhaps the reason that it is discussed so much is that there is not clear, written, single source guidance on how to handle the various aspects surrounding ammonia alarms and detectors.

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Chairman’s Message

IIAR is a group of professionals representing End-users, Engineers, Contractors, Manufacturers and Educational Institutions who are dedicated to the advancement of the safe use of natural refrigerants in the refrigeration industry.

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Choosing the Right EMERGENCY EYEWASH AND SHOWER EQUIPMENT

Efficient, tested eyewash and shower stations that are properly built, installed, and maintained are a central part of any machine room, and eyewash and shower procedures are a basic part of emergency response planning, at least where EPA and OSHA regulations are concerned.

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NDT Methods for the Ammonia Refrigeration Industry

In other industries, insulation is installed to protect people from touching hot process piping and getting burned; or to keep heat in the pipe to assist in lowering the viscosity of the process fluid thereby facilitating flow

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Refrigerant Leak Detection Systems – Do What?

There are many devices on the market that can detect and respond to a refrigerant leak, but the International, Uniform, NFPA, ASHRAE and IIAR codes and standards provide limited guidance with respect to detector location, installation and equipment requirements

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IIAR Takes Two-Pronged Approach to Engage with OSHA

With the initiation of the National Emphasis Program for Chemical Facilities (NEP) in 2009 and the nationalization of the program in late 2011, OSHA enforcement activity in the ammonia refrigeration industry has been intensifying.

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APPLICATIONS OF THE AMMONIA LOW PRESSURE RECEIVER TO SMALL COMMERCIAL SYSTEMS

The so called Low Pressure Receiver system has been the subject of several papers since it was first introduced in 1972 However, the present situation in which ways are being sought to replace the excellent refrigerant, R22, with more environmentally friendly refrigerants would seem to provide opportunities for an extension of the application of ammonia LPR systems.

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ARF Announces New Funding Program

The work of the Ammonia Refrigeration Foundation represents one of the most important activities in the industrial refrigeration industry, the advancement of technology through research and education.

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IIAR Alliance Grows in India

As home to seventeen percent of the world’s population, preserving India’s food supply is a major endeavor; yet about 30 percent of food production in India goes to waste, highlighting the need for more large cold storage and food processing facilities where ammonia is the refrigerant of choice.

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Committee Update

The IIAR Committees have always served as a forum for the open discussion and advancement of the important issues we face in our industry.

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From the Technical Director

By now most all IIAR members are aware that the IIAR is endeavoring to create a suite of “cradle to grave” standards for the construction, operation and de-commissioning of ammonia refrigerating systems.

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Chairman’s Message

The International Institute of Ammonia Refrigeration is gearing up for the 2012 IIAR Conference & Exhibition in Milwaukee, Wisconsin, and that means my term as Chairman is almost over.

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IIAR Releases New, Updated PSM/RMP Program Guidelines

When the Process Safety Management and Risk Management program regulations were originally introduced in the mid-1990’s, the ammonia refrigeration industry scrambled to find the best way to comply with the largely undefined regulations. The International Institute of Ammonia Refrigeration responded by producing the industry’s first set of guidelines to help refrigeration companies meet federal regulations for facilities that use over 10,000 lbs. of ammonia.

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Inspection Checklist: Tool or Weapon?

Recently, the IIAR Code Committee was asked to weigh in on the use of checklists for inspection of ammonia refrigeration systems.

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OSHA National Emphasis Program Now In Place

As reported in the last issue of The Condenser, the Occupational, Safety and Health Administration was working late in 2011 to finalize the national rollout of the PSM Covered Chemical Facilities National Emphasis Program (NEP).

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Moon Shots and Safety Relief Valve Life Prediction

Recent political figures have resurrected interest in the space program and the conversation invariably highlights all of the great technology spinoffs of NASA, from memory foam, freeze-dried foods and HACCP to Tang (maybe – not so much!).

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From the Technical Director

Blow out panels are sections of walls, louvers, hatches or doors that are designed to relieve pressure from an explosion.

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Chairman’s Message

The passing of Will Stoecker over the Labor Day weekend is a deeply felt loss, not only for his family, but also for all of us in this industry.

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Wilbert F. Stoecker

When it comes to ammonia, said Will Stoecker, “The fact that it stinks is one of the best things about it!”

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