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.
“Grandfathering” Application of Codes to Existing Facilities
If you operate a place of business, do you fear “the inspector?”
Read MoreParker Hannifin Announces Recall
Parker Hannifin has announced a recall of certain Sporlan/Refrigeration Specialties MA17 solenoid valves. Standard Machine & Manufacturing Co. manufactures MA17 solenoid valves for Sporlan and Refrigeration
Read MoreIIAR Government Affairs
2010 has been a busy year for IIAR Government Affairs activities dealing with issues ranging from Occupational Safety and Health Administration (OSHA) regulations and Alliances, to chemical facility security policies.
Read MoreA Magical Day of Golf – ARF 2011 Golf Tournament
The Ammonia Refrigeration Foundation (ARF) 2011Golf Tournament will be held Saturday, March 26, 2011 in conjunction with the IIAR 2011 Industrial Refrigeration Conference & Heavy Equipment Show in Orlando, Florida
Read MoreEnergy Saving Opportunities Through the Intelligent Application of Refrigeratioon Evaporators
More than before, people are looking for ways to economize their refrigeration operations.
Read MoreIIAR Participates in GreenChill Webinar
Recently, the IIAR participated in the presentation of a webinar in association with the EPA’s GreenChill Partnership.
Read MoreFrom the Technical Director
Consultants have called the IIAR headquarters a few times recently with the following question: “I have an owner who has a building with two ammonia refrigeration systems. The systems are independent of each other.
Read MoreChairman’s Message
In October 2010, the IIAR Board of Directors meets to conduct its annual strategic planning session. The two-fold purpose of the session is to: 1. Define goals for the IIAR in the upcoming year, and 2. Set in motion plans to achieve these goals.
Read MoreA Service Call In Space
Ammonia took center stage recently in televised images of NASA astronauts attaching a 1700 lb, doublechamber tank which contained a 600 lb ammonia charge to the International Space Station (ISS).
Read MoreSignificant Changes to the 2009 Codes Affecting Ammonia Refrigeration
Every three years, new editions of the International and Uniform codes are published and made available for adoption by state and local jurisdictions.
Read MoreUpdate on OSHA’s National Emphasis Program for Chemical Facilities
The Occupational Safety and Health Administration (OSHA) launched a National Emphasis Program (NEP) focused on Process Safety Management in chemical facilities at the end of July 2009.
Read MoreLow Charge Systems May Be the Answer
Businesses seek to provide income to their shareholders or “bottom line.” Safe facilities are more profitable than unsafe facilities.
Read MoreCOMPARATIVE COSTS OF LATENT LOADS
Two systems are generally available to remove moisture from the air in a low temperature refrigeration process.
Read MoreIIAR Board of Directors
Bob Port, Lead Mechanical Engineer, Target, Co. has been elected to IIAR’s Executive Committee where he will serve as treasurer.
Read MoreSight Glass Taskforce Update
In other sections of this magazine, we’ve highlighted IIAR’s role as a standard setting organization and as an association that acts as the voice of the industrial refrigeration industry.
Read MoreARF Safety Relief Research Project
Pressure relief valves are engineered safety devices intended to protect pressure vessels and other pressurecontaining equipment from catastrophic failure as a result of excessive pressure excursions that may occur during operation or standby conditions.
Read MoreAmmonia Safety Alert: Transferring Ammonia
There are risks involved whenever anhydrous ammonia is transferred to or from an industrial refrigeration system.
Read MoreNew Ventilation Requirements for Machinery Rooms
Standard ANSI/IIAR 2-2008 is being updated soon. As most readers are aware, IIAR 2 is the ANSI/IIAR standard for equipment, design and installation for closed circuit ammonia refrigeration systems.
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2026 Tech Paper: Reducing Peak Energy Use with Adaptive Parabolic Control Algorithm in Your Refrigeration Loop
The Adaptive Parabolic Control Algorithm (APCA) is a PID replacement algorithm that performs well with nonlinear level controllers, noisy level indicators, and systems that require a rapid response to load changes but a slower response for unit optimization. The APCA reduced compressor amp standa...
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2026 Tech Paper: CO2 Heat Pumps: Main Differences from Refrigeration Systems and Real-World Applications
CO2 has gained significant momentum in the North American refrigeration and heat pump industry in recent years, particularly in transcritical applications. Even though CO2 refrigeration technology is already fully mature in terms of component availability, control strategies, and best practices, ...
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