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IIR document
Advances in hybrid compression technology for ultra-low temperature refrigeration achievement.
New recommendations for the quality and safety of tissues and cells for clinical application and its significance for the practice of tissue establishments performing cryopreservation.
Assessment of desiccation sensitivity of tea embryos for cryopreservation.
Wplyw dodatku chmielu (Lupuli strobili) oraz czerwonej herbaty Pu-Erh (Yunan) na orgraniczanie oksydacji lipidów tkanki miesniowej sledzi w czasie zamrazalniczego przechowywania.
The effect of hop (Lupuli strobili) and red tea Pu-Erh (Yunan) on the inhibition of lipid oxidation of herring muscle tissue during frozen storage.
Coating effects of tea polyphenol and rosemary extract combined with chitosan on the storage quality of large yellow croaker (Pseudosciaena crocea).
LIN-dispenser(TM): nitrogen gas flushing and pressurization.
Optimization of conduction-cooled Peltier current leads.
Effect of sodium alginate-based edible coating containing different anti-oxidants on quality and shelf life of refrigerated bream (Megalobrama amblycephala).
Effect of gas packaging conditions on thawed Thunnus obesus preservation.
Refrigeration sector monitoring
1707 results
Food invention: frozen tea cubes
Iceland Food has expressed interest in a student prize-winning invention: frozen fruit tea cubes.
BOC’s refrigerants team
According to BOC's refrigerants team, one in three plants runs on contaminatedrefrigerant. BOC's team tested over 50 industrial installations and found that 36% of refrigerant blends tested did not meet specifications and required complete...
IPCC/TEAP Special Report
The Summary for Policy Makers of the Intergovernmental Panel on Climate Change (IPCC)/ Technology and Economic Assessment Panel (TEAP) Special Report "Safeguarding the ozone layer and the global climate system: issues related to hydrofluorocarbons...
Brief: UK rise in ready-steady meals
The UK market for chilled, ready-made meals has grown from an estimated GBP 173 M in 1988 to over GBP 1750 M in 2005 and is continuing to evolve showing that these perishable prepared foods stored at refrigeration temperatures at or below 8°C are...
Briefs: IPCC/TEAP Special Report on Ozone and Climate
The 8th Conference of the Parties to the United Nations Framework Convention on Climate Change and the 14th Meeting of the Parties to the Montreal Protocol invited the Intergovernmental Panel on Climate Change (IPCC) and the Technology and...
IIR Member news: GEA installs a transcritical CO2 system on cruise ships.
International technology group GEA signed a contract with P&O Cruises, the world’s largest commercial cruise ship operator, for its new transcritical CO2 industrial refrigeration technology.
A seawater district cooling system in the Caribbean.
A study by Makai Ocean Engineering analyzed the feasibility of using cold deep seawater for a district cooling system in the Caribbean.
An air conditioning system using cold ocean water in Mauritius
The Indian Ocean island of Mauritius has obtained a grant to install an air conditioning system for the inhabitants of its capital, Port Louis, which will use cold ocean water.
New Monaco Yacht Club House to be cooled thanks to ocean water
Monaco’s new yacht club sticks to the sea-water cooling tradition.
A laser beam which cools liquids
The first laser refrigeration process was demonstrated in vacuum conditions in 1995. Twenty years later, a team from University of Washington explains in a study, published in the Proceedings of the National Academy of Sciences, how a laser can...
A refrigeration system to produce freshwater in arid areas
A team of researchers from Shanghai Jiao Tong University in China demonstrated how integrating adsorption cooling and a heat pump system can improve the productivity of an...
Magnetic-bearing centrifugal compressors
This new compressor technology - presented at the 2003 AHR Expo in Chicago - may have a significant effect on the future of mid-range chillers and rooftop applications in water-cooled, evaporatively cooled and air-cooled chilled-water and...
Chilled water cooling pads to reduce heat stress in pigs
A team of scientists at Purdue university in the USA has developed cooling pads to keep pigs cool and reduce the impact of heat stress on milk output and piglet...
Briefs: Chilled beams take off
Several MIT buildings now boast what looks like slim, fin-tubed radiators in ceiling cavities. These cooling devices are chilled beams. They use water, not air, to remove heat from a room. The potential energy reduction of using chilled beams...
Cooling coffee bean to improve flavour.
A simple discovery which could have a major impact for the coffee industry.
IIR news
579 results
IIR member news: Cemafroid, IRSTEA and AFCE
A new study on the containment of refrigerants has been launched with the aim of identifying and promoting best practices in this regard.
New Patent issued to Prof Eckhard Groll and team for Residential DC Nanogrid System
Professor Eckhard Groll, president of IIR section B, recently received a patent for the intellectual property of his team at Purdue University for a centralised residential DC nanogrid system integrating...
Dr. Yunho Hwang and team earn 3rd place in Vicinity Energy-MEIA Ideation Program for heat pump innovation
Former president of IIR Commission B1, and research professor at the University of Maryland Center for Environmental Energy...
The Norwegian Royal Ambassy visit to INDEE+ educational unit in IIT Madras
To acknowledge the efforts of INDEE+, the Norwegian Ambassador Hans Jacob Frydenlund, Arvind Gopinath (Honorary Consul), Ms. Marit Marie Strand (Advisor), Mr. Vivek (Senior Advisor) and other team members...
We are hiring a Technical Translator
The Technical Translator (EN–FR / FR–EN) will ensure high-quality translation and linguistic consistency across the IIR’s scientific, technical, and institutional communications. Working closely with experts, engineers, and the editorial team,...
New IIR Informatory Note on Liquefied Natural Gas
The latest IIR Informatory Note stresses that LNG is expected to play a major role in global energy strategies as it has many advantages and helps mitigate global warming when used instead of coal and...
Discover BETTED’s new e-learning platform
The e-learning platform developed by the BETTED Team is now available and ready for use. It is dedicated to interested professionals from both participating and non-participating countries, as well as those...
March 2023: An active communication and awareness campaign for INDEE+
March 2023 was marked by a series of communication events for INDEE+, gathering all project partners and key Indian HVAC&R stakeholders in India.
Brief: Dr Peter Egolf
Dr Peter Egolf, President of the IIR's Working Party on Magnetic Refrigeration, and his team at the Institut de Génie Thermique de l'Ecole d'ingénieurs du Canton de Vaud has won the Prix Spécial Energie awarded by the Office Fédéral de l'Energie...
Join the FRISBEE Demonstration Day!
On August 29, 2014, for the official closing of FRISBEE, the consortium will hold a “FRISBEE Demonstration Day”
Job Opening - Senior Cooling Project Manager
The IIR is seeking a highly experienced and strategic Senior Cooling Project Manager to lead and coordinate international development projects focused on sustainable cooling and refrigeration, emissions...
Nominations for the 2025 J&E Hall Gold Medal are now open
The Institute of Refrigeration is now inviting nominations for the J&E Hall Gold Medal, one of the most internationally respected accolades in the refrigeration, air conditioning and heat pump (RACHP)...
We are hiring a technical project manager
The IIR is involved in diverse projects supporting academia and countries. The candidate will support the IIR projects department, and will develop and secure new projects for the IIR and ensure that they are...
Valuable publications: Refrigeration Fundamentals
Refrigeration Fundamentals: this IIR course deals with refrigeration fundamentals, components of refrigeration plants, the refrigerants and lubricants used, and control systems. It is an attractive and valuable teaching tool that technicians and...
News from IIR members
The IIAR has teamed up with RETA and IARW to produce a Training Guideline in order to make training more comprehensive and consistent. The guideline can be used to set up tailored training programmes. The aim is to enhance safety and operations...
Encyclopedia of Refrigeration
17 results
Global warming potential (GWP) of HFC refrigerants
Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...
Additive manufacturing of heat exchangers
In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...
Ice cream manufacturing, environmental impact and market data
From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
For IIR members only
Heat pump stock in Europe
This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
Hydrocarbon refrigerants
Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...
Cryogenic nitrogen in the food and beverage industry
The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...
Nanorefrigerants
Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...
Additive manufacturing of regenerators for caloric cooling
In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...
Liquefied Natural Gas: production process and cold energy recovery
Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...
Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement
Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...
Events
10 results
IIR event
11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting
June 07, 2026 - June 11, 2026
Ljubljana, Slovenia
Submit your full paper now! The 11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting (Thermag 2026), to be...
Find out more
Other event
15th IEA Heat Pump Conference
May 26, 2026 - May 29, 2026
Vienna, Austria
Join the 15th IEA Heat Pump Conference, which will take place in Vienna, Austria,from May 26-29, 2026! The 15th IEA Heat Pump Conference, co-sponsored by IIR,...
Sponsored event
2026 China International Heat Pump Conference
October 13, 2026 - October 17, 2026
Shanghai, China
Following the resounding success of the 2nd China Heat Pump Conference (CHPC 2024) in Shenzhen, which gathered over 850 experts and delegates from 33 countries & regions, the upcoming 3rd CHPC in 2026 is poised to further expand its global...
17th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL 2026)
August 23, 2026 - August 26, 2026
Hamilton, New Zealand
Submit your abstract! With the increasing need for global warming countermeasures, natural working fluids have become a clear vector to reducing the CO2 footprint of...
19th IIR Conference on Cryogenics
April 26, 2027 - April 30, 2027
Dresden, Germany
The 19th CRYOGENICS 2027 continues in the series of conferences held every two years. The conference will deal with new challenges of the equipment and technologies with temperatures below 120 K (-153°C), as well as with other...
9th International High Performance Buildings Conference at Purdue
July 12, 2026 - July 16, 2026
West Lafayette, IN, United States
A conference co-sponsored by the IIR Since 1972, Herrick Labs has hosted the premier international conferences on Compressor Engineering, Refrigeration and Air-Conditioning, and...
21st International Refrigeration and Air Conditioning Conference at Purdue
28th International Compressor Engineering Conference at Purdue
27th IIR International Congress of Refrigeration
August 21, 2027 - August 27, 2027
Seoul, Republic of Korea
Save the date! The International Congress of Refrigeration (ICR) is a leading global event in the field of refrigeration, organised by the International Institute of Refrigeration...
15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
September 16, 2026 - September 18, 2026
Xi'an, China
Currently accepting full papers! The 15th IIR Conference on Phase-Change Materials and Slurries for...
