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IIR document
Evaporative cooling and Legionella: a risk which can be prevented by using good practices, 18th Informatory Note on refrigerating technologies.
Advances in caloric cooling technologies.
HFO leak detection technologies and strategies to reduce refrigerant leakage.
Maldistribution in air–water heat pump evaporators. 2. Economic analysis of counteracting technologies.
Research advances in free cooling technology of data centers.
[In Chinese. / En chinois.]
Review of temperature and humidity control technology for heat pump and air conditioning systems.
Recommended by the IIR / IIR document
Past, present and future of refrigeration: Pathways to the next generation heating and cooling technologies
Caloric cooling technologies : 50th Informatory Note on Refrigeration Technologies.
Passive cooling technologies. 47th Informatory Note on Refrigeration Technologies.
Cooling technologies for sustainable data centres. 59th IIR Technical Brief on Refrigeration Technologies.
Pharmaceutical Cryogenic Technologies.
State of the art of new technologies applied to chillers, 42nd Informatory Note on Refrigeration Technologies.
Thermosyphons with innovative technologies.
CO2 refrigeration technology: possible innovations.
Refrigeration sector monitoring
729 results
Nanotechnology applications: Nanopackaging
Nanopackaging market worth billions Global sales of nanotechnology-related products approached 739 million € last year, and the food packaging industry could be worth as much as 22 billion €, according to a new study that provides an insight into...
Nanotechnology applications: Nano-insulation
It is claimed that a new material using nanotechnology and consisting in a micron-thickness film with tiny cells containing a vacuum could reduce the energy consumption of refrigerating units by as much as 20%. Nanoskin was developed by General...
Nanotechnology: the future of heat exchangers?
The US Department of Energy has awarded contracts to improve energy efficiency. One such contract, awarded to TIAX, a technology development company, through the Small Business Innovation Research (SBIR) programme, shall be used to develop a...
Briefs: Voice-prompt technology
Voice-prompt technology for the first time in China: Hisense Hitachi has launched a multi-function remote controller for air conditioners with a voice-prompt feature when the user adjusts the temperature. JARN, July 25, 2010
Automobile technology: what’s new?
Delphi Corporation has developed a reversible CO 2 car air-conditioning system using air-coolant heat-pump technology. Delphi says that the system allows better integration into the vehicle and a higher performance-to-cost ratio than other...
Ozone2Climate Technology Road Show
The Ozone2Climate Technology Road Show*, the first showcase of technological alternatives to ozone-depleting substance (ODS) in South East Asia, took place in the Maldives on May 8-12, 2011. Alongside, also took place an Industry Roundtable on...
The latest in laptop cooling technology
The latest developments in laptop cooling technology are based on liquid cooling systems which are thermally more efficient than regular air-based systems. In the past, liquid cooling was not a practical option for laptops because there wasn’t...
Refrigerated transport: innovative hybrid technology
Carrier Transicold introduced Deltek hybrid diesel electric technology to the refrigerated transport industry in October of this year. The ultra-high-performance, EPA-compliant system can be used in multi-temperature applications without...
Growing interest in CO2 technology
Scientists and refrigeration practitioners are increasingly interested in carbon dioxide (CO2) technology. The IIR's Fridoc database contains 198 references to articles mentioning CO2 in their titles and 448 containing the term CO2 in the key...
Fridge innovations: Bicycle technology
A regular electricity supply is absolutely crucial for the proper operation of refrigerated equipment, but it is not necessarily easy to come by, especially in rural areas or in developing countries. In order to address the problem, the Indian...
Hydrogen technology: Cryogenic Engine
A liquid oxygen-hydrogen pump fed engine achieved a major technical milestone in throttling capability. It is designed to demonstrate successful throttling from full power down to 10% of its thrust. This flexibility to control the flow of fuel...
Hydrogen technology: Global Observer
Demand for unmanned aerial vehicles is soaring and companies are racing to produce systems that fly higher for longer periods and can carry heavier payloads. AeroVironment Inc.'s Global Observer can fly at around 20 000 m for as long as a week and...
Modern technology permits economical refrigerated shipments
The number of refrigerated shipments, and thus the number of refrigerated containers, has risen worldwide in recent years. Hamburg Süd is optimizing the use of cooling energy and will reduce the energy consumption of its reefer containers by 15%...
Liquid crystal technology speeds up foodborne pathogen detection
Crystal Diagnostics has pioneered liquid-crystal technology that enables smart fast detection of bacteria and other dangerous pathogens such as E. coli in foodstuffs.
New solar-cooling technology for cooling-freezing
Refrigeration is often based on compressor technology which consumes electricity. A recently developed system making it possible to achieve relatively low temperatures solely using solar energy has been designed by PROMES, a laboratory working...
IIR news
454 results
Magnetic refrigeration: a promising technology
The IIR decided, a few years ago, to set up a Working Party on Magnetic Refrigeration at Room Temperature, and has organized 4 conferences: in 2005 in Switzerland, in 2007 in Slovenia, in 2009 in the USA, in 2010 in China. We published articles in...
New IIR publications: Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology
The French version of the IIR guide Saving Energy in Refrigeration, Air-Conditioning and Heat-Pump Technology will be published in November 2009; the goal of this guide is to provide practical ways of minimizing the energy consumption of...
Discover the new IIR Science and Technology Council
With 8 newly elected presidents and vice-presidents, 3 reassignments and 5 reappointments, this new Science and Technology Council (STC), mandated from 2015 to 2019, is set to bring forth fresh ideas and novel change.
ERC Grant Awarded to Steffen Grohmann for Advancing Cryogenic Technology
Steffen Grohmann, President of IIR Commission A1, receives an advanced grant from the European Research Council for his innovative cryogenic technology project: GRAVITHELIUM, a key technology for the Einstein...
IIR/UNEP Cold Chain Technology Brief on Vaccines
The IIR and the UN Environment programme have jointly developed the cold chain technology brief on vaccines dedicated to government National Ozone Officers, policy makers, and refrigeration stakeholders. The...
The IIR and UNEP release a Cold Chain Technology Brief on Vaccines
The International Institute of Refrigeration (IIR) and the UN Environment Programme partnered in the development of a cold chain technology brief on vaccines dedicated to government National Ozone Officers,...
IIR and UNEP OzonAction publish French and Spanish versions of Cold Chain Technology Briefs
Originally published in English, the five Cold Chain Technology Briefs have been translated into two additional languages.
Press release: The International Institute of Refrigeration produces five Cold Chain Technology Briefs in partnership with UN Environment OzonAction
The IIR commissioned several of its experts in their capacity as presidents of an IIR section, an IIR commission and as an IIR member to produce five Cold Chain Technology Briefs in partnership with UN Environment OzonAction.
Cold Chain Technology Briefs: Now available in French and Spanish
Originally published in English, the IIR-UNEP OzonAction Cold Chain Technology Briefs have been translated into two additional languages.
Double Award for Coldway Technologies, part of SOFRIGAM Group
Sofrigam won two awards at Business France's pitch competition for its energy storage device "THERMOSTORE", utilizing ammonia. Let's take a closer look at this technology.
The programme of the IIR conference on Ammonia and CO2 Refrigeration Technologies is now available
The conference is a leading event in the refrigeration industry and brings together academic and industry experts to discuss the latest advances in refrigeration technology.
New IIR Informatory Note on caloric cooling technologies
IIR’s 50th Informatory Note on refrigeration technologies focuses on three promising alternative solid-state cooling technologies: magnetocaloric, electrocaloric and...
Available - New IIR publication: Technological options for retail refrigeration
Written by several experts from the acclaimed London South Bank University (UK), the International Institute of Refrigeration (IIR) is proud to present the “Technological options for retail refrigeration”.
IIR publishes a new Technical Brief: Cooling technologies for sustainable data centres
Authored by leading IIR experts in energy and power engineering, this publication offers a comprehensive exploration of innovative cooling solutions designed to meet the escalating...
Ammonia and CO2 Refrigeration Technologies conference papers now available to download
Encyclopedia of Refrigeration
13 results
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...
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...
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...
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...
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...
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...
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...
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...
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...
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
Events
2 results
Other event
14th International Conference on Compressors and their Systems
September 08, 2025 - September 10, 2025
London, United Kingdom
On September 8-10, 2025, the 13th 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,...
