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IIR document
Development of a novel flow control system with arduino microcontroller embedded in double effect absorption chillers using the LiBr/H2O pair.
My Resignation; Some History and Future Developments in Cryogenics.
Development of an apparatus for cryopreservation cellular samples.
Future developments in magnetocaloric refrigeration and heat pumping.
Refrigerants and new systems developments in Japan.
25 years working with ice slurry: history, current technologies and future developments.
Flap-X: development of a new compressor reed valve material.
Technology transfers for natural refrigerants in developing countries.
Development of compact and high-efficient scroll compressor with novel bearing structure.
Sviluppo di chillers a basso GWP.
Development of low GWP chillers.
Combustion exhaust gas analysis: development of an excel workbook.
Recent developments under the Montreal Protocol as related to marine mobile foam sector.
Development and experimental analysis of CO2 heat pump for DHW production.
Recent developments under the Montreal Protocol as related to marine sectors.
Development of mass production type rigid polyurethane foam for LNG carrier using ozone depletion free blowing agent.
Refrigeration sector monitoring
516 results
MAC developments
While in the mobile air-conditioning (MAC) sector, R&D is focusing on alternative refrigerants to R134a (see "In the news" below), some other research projects or achievements are noteworthy: - The National Renewable Energy Laboratory in...
TTI: new developments
Time-Temperature Integrators (TTIs) are "intelligent labels" that simulate bacterial development, as a function of time-and-temperature parameters. As soon as a critical threshold is crossed, a change in colour alerts the consumer that the...
Recent developments in automobile air conditioning
Valeo has developed an environmentally-friendly air-conditioning system which meets future EU regulations. The Valeo R-744 system, based on CO2, represents a significant technological breakthrough due to the significantly higher pressure...
Recent developments in extreme cooling
Researchers from NIST have demonstrated a solid-state refrigerator using quantum physics in micro- and nanostructures to cool a much larger object to extremely low temperatures. Moreover, a team of Munich’s Ludwig Maximilian University, has...
New developments in cryogenic storage
An innovating solution for cryogenic storage of products has been patented and marketed. This system makes it possible to store products at -190°C in a totally dry environment without using liquid nitrogen in the storage space. The risks inherent...
ICR2011 highlights: micro-refrigeration development
Micro-refrigeration development was one of the important themes of the IIR Congress in Prague.
Refrigerated warehouse capacity and urban development
Among other data, the 2012 IARW Global Cold Storage Capacity Report focuses on the relationship between refrigerated warehouse capacities and urban population levels.
Briefs: Development of liquid-ammonia-based CO2 capture is pacing up
Alstom, EPRI and We Energies are launching a pilot project in the United States, using a chilled liquid-ammonia-based solution in order to capture the CO2 rejected by coal-powered power plants. The system captures the gas before isolating it at...
Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...
Centrifugal chillers: new developments
New developments regarding centrifugal chillers include the world’s first production-scale chiller using water as a refrigerant and the world’s first photovoltaic direct driven inverter centrifugal chiller.
Recent developments in advanced ejector technology
The objective of this paper published in the International Journal of Refrigeration is to present a review of developments in the use of ejectors focusing on the past several years.
Summary of a paper presented during the 7th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII), available in Fridoc.
European’s cold chain trends and developments
The sector has an estimated 40 billion Euro turnover, which is growing, but not due to growing food consumption.
Solar ejector refrigeration systems: benefits and latest developments
Two IJR articles present the latest advancements in this technology and in particular the advantages of variable geometry ejectors and low-GWP refrigerants in terms of performance.
Latest developments on the mobile air conditioning front
According to the MAC Directive, by January 1, 2017, all new vehicles in the European Union (EU) are to be equipped with air-conditioning systems using refrigerant with GWP under 150. Most EU car manufacturers have opted for R1234yf.
IIR news
389 results
New IIR publication: Latest Developments in Refrigerated Storage, Transportation and Display of Food Products
The proceedings of Latest Developments in Refrigerated Storage, Transportation and Display of Food Products, an IIR conference involving Commissions C2, D1 with D2, held in Amman, Jordan, on March 28-30, 2005 comprise 24 papers. within the...
We are hiring a Membership Strategy & Development Officer
About us IIR is an intergovernmental organisation fostering collaboration and enhancing knowledge on...
Frisbee Project: Latest Developments
Frisbee is a European-Union-funded 4-year project. It was launched in September 2010 and involves 26 partners including the IIR. the IIR is in charge of collecting data and the dissemination of research outcomes. The aim is to provide new...
World Science Day: IIR reaffirms the role of refrigeration for sustainable development
This 10 November 2025, IIR joins in the celebration of World Science Day, aligning with this year’s theme of “the science we need for 2050” by highlighting the importance of refrigeration for economic...
Refrigeration for Sustainable Development - 23rd International Congress of Refrigeration
Every 4 years, the International Institute of Refrigeration holds a congress, each time in a different country. These milestone events bring together researchers and industrial stakeholders working in all refrigeration applications and...
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...
Activities of the IIR’s Commission on Refrigerated Storage and the IIR’s international partnerships
The activity of Commission D1, Refrigerated Storage, is involved in the links with the Food and Agriculture Organization (FAO) and the United Nations Industrial Development Organization (UNIDO). Within these partnerships, major projects are being...
Member news: Latest news from Air Liquide
Air Liquid inaugurates a low-carbon hydrogen production unit and promotes the development of helium refrigeration.
OEWG-47 Side Event Highlights on International Training and Certification Standards for RACHP
The Centro Studi Galileo (CSG) and the European association of refrigeration, air conditioning with support from the International Institute of Refrigeration (IIR) and Institute For Governance & Sustainable...
IIR conference on caloric cooling Thermag VIII: highlights
Thermag VIII was an opportunity to present new developments regarding magnetocaloric, electrocaloric and elastocaloric cooling.
WGC PARIS 2015: “Growing together towards a friendly planet”
The 26th World Gas Conference (WGC), held in Paris last week, offered attendees an ideal opportunity for networking, learning and sharing information on the latest developments
Send in your abstracts to the 13th International Conference on Compressors and their Systems
Organised by City, University of London, this 3-day conference will provide a forum for developments in air, gas and refrigeration compressors, vacuum pumps and expanders. The call for abstracts ends December...
The IIR makes its mark in LNG
In line with our objective to remain at the forefront of developments in the field of cryogenics the IIR, in partnership with the lnternational Gas Union (IGU), and the Gas Technology Institute (GTI), organizes triennial LNG conferences across the...
Early Bird Registration now open for the Compressors Conference 2023 in London
Early Bird Registration ends August 6! This multi-day conference organised by the Centre for Compressors Technology at City, University of London, provides a forum for developments in air, gas and refrigeration...
Early bird registration is now open for the IIR Congress 2023
The 26th IIR International Congress of Refrigeration will be the event of the year not to be missed! Participate to share the latest...
Encyclopedia of Refrigeration
9 results
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...
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...
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...
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...
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...
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...
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...
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...
Events
5 results
Other event
15th International Conference on Compressors and their Systems
September 13, 2027 - September 15, 2027
London, United Kingdom
On September 13-15, 2027, the 15th International Conference on Compressors and their Systems of City University of London will provide a forum for debate on developments in air, gas and refrigeration...
Find out more
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,...
IIR event
15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
September 16, 2026 - September 18, 2026
Xi'an, China
Call for abstracts is open! The 15th IIR Conference on Phase-Change Materials and Slurries for Refrigeration...
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...
