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An aspirating cooling system for regulating temperature of pyrolytic oven glass.
Using a new solar sterilizer for surgical instruments as a solar oven for cooking.
Thermosyphons with innovative technologies.
Improvement of food safety and shelf life of refrigerated croquettes by using EVOO encapsulated in cyclodextrins in breadcrumbs.
Recommended by the IIR / IIR document
Optimization of radio frequency assisted freezing and its effects during cooking.
Recovery of waste thermal energy in U.S. residential appliances.
Analysis of thermally connected residential appliances.
Calibration of temperature-dependent resistance of 3D printed conductive filaments for embedded sensing.
Refrigerated clean room processing and packaging increases shelf life of refrigerated MAP packaged breaded products.
IIR document
A study on carbon steel corrosion for the development of LiBr-H2O triple-effect absorption chillers.
A design tool for off-grid housing in Australia.
Experimental investigation of relative humidity effect on the thermal conductivity of desiccant material.
Theoretical and experimental investigation of microwave thawing of frozen layer using a microwave oven (effects of layered configurations and layer thickness).
HYDROGEN FROM COKE-OVEN GAS.
CFD modelling of indoor environment quality affected by gas stoves.
Refrigeration sector monitoring
797 results
Out of the ordinary: Oven or fridge?
TMIO has developed a dual oven/refrigerator that is Internet, cell-phone and telephone controlled. The "Intelligent Oven" makes sure that dinner is ready when you are and refrigerates your meal before and even after it is cooked. TMIO has adapted...
New Eurovent certification programme for cooling towers
Eurovent, the European Certification body, has developed a certification programme for the thermal performance of cooling towers.
Slovenian researchers explore solid-state cooling to replace harmful refrigerants
A breakthrough technology using metal alloys may offer a safer, greener alternative to conventional cooling systems.
Germany: Propane air conditioning in trains – a proven success!
Germany launches the world-first propane-based air conditioning system on passenger trains.
The future of air conditioning.
Navigant Consulting, a specialized expert services firm, produced a report about the future of air conditioning for buildings providing interesting figures on the expected growth in air conditioning demand and its environmental impact.
A promising future for nanorefrigerants
A review article published in the IJR highlights the remarkable heat transfer properties of nanorefrigerants, which are leading to significant improvements in the performance of refrigeration systems.
AIRAH’s solar summit points the way to a sustainable future.
AIRAH’s Solar Cooling and Heating Forum, held in Brisbane in August, proved that Australia’s HVAC&R sector has the expertise and the desire to exploit solar technology.
Japan: Ministry of Environment resquests subsidies for natural refrigerants.
In September, the Japanese Ministry of Environment asked for subsidies to promote natural refrigerants in commercial and industrial refrigeration for the 2019 financial year.
What future for the heating, cooling and ventilation industry with the "Generation Z" ?
The European Partnership for Energy and the Environment (EPEE) and the European Ventilation Industry Association (EVIA) published their "Visionary Paper" on March 15, 2017 considering the future needs in the HVAC sector by 2030.
Sub-Saharan milk cooler project awarded USD 1 million
A University of Georgia engineer received USD 1 million to continue working on a milk cooler designed to help dairy farmers, particularly those in sub-Saharan Africa, who lack access to refrigeration.
World Energy Outlook 2025: electricity demand at the heart of global economy, driven by cooling
In the 2025 edition of its flagship report, the IEA predicts a 40% increase in peak electricity demand driven mainly by increased demand for cooling. Due to AI, electricity demand for data centres is expected to...
Briefs: Events
- With over 880 exhibitors from 42 countries and 29300 visitors (up 10% since 2008), the second edition of Chillventa held in Nuremberg, Germany, on October 13-15, 2010, was a resounding success. View a video featuring highlights and...
Events: Cemagref’s anniversary
Cemagref, a French agricultural and environmental engineering research organization and benefactor member of the IIR is 25 years old and held a lecture and ceremony at the Ministry of Research in Paris on October 10, 2006 to mark the occasion....
Events: HARFKO 2007
HARFKO 2007 will take place in Seoul on March 21-23, 2007. Register and check out the exhibitors: www.harfko.com/main/main.asp
Events: c-dig
The latest c-dig (carbon dioxide interest group) meeting took place in Lyon, France, on November 3-4, 2008 and was attended by about 40 researchers, compressor manufacturers and industry stakeholders. It gave an overview of the current state of...
IIR news
521 results
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...
Refrigeration Creates the Future
This is the title of the next Congress of the International Institute of Refrigeration to be held on August 21-26, 2007 in Beijing. It will be a flagship event in more ways than one: - refrigeration meets the needs of humanity and will continue to...
Refrigeration for better food and a better future
The IIR celebrates World Food Day 2025 and FAO’s 80th Anniversary by highlighting the importance of refrigeration to maintain food quality, aligned with the event’s theme “Hand-in-Hand for Better Food and a...
IJR Editorial: Solar energy, the energy of the future for refrigeration
Solar refrigeration should become a means of providing cleaner air conditioning and developing cold chains for food and health products where they are still deficient. We need to accompany this development while...
Daikin’s Konwakai Summit Explores the Future of Sustainable HVAC&R Systems
This Summit gathered Daikin experts, policymakers, and top scientists to discuss advancing sustainable HVAC&R technologies and the industry’s role in reducing environmental...
International collaboration: The key to a prosperous future in refrigeration
The IIR puts its international network into action for the benefit of all.
Women Shaping the Future of Refrigeration – IIR International Women’s Day 2026
To mark International Women’s Day 2026, the International Institute of Refrigeration (IIR) highlighted the voices, experiences, and perspectives of women and allies working across the refrigeration, air...
ICCC 2026 Istanbul: Sustaining Cold Chain and Food for the Future
The 9th IIR Conference on Sustainability and the Cold...
IIR Webinar – Domestic hydrocarbon heat pumps, key to a decarbonised future
As the world accelerates towards decarbonisation, heat pumps are emerging as a global solution for cleaner, more efficient residential cooling and heating.
Call for abstracts ends October 10: LNG2023, “Fuelling a Secure Energy Future”
LNG2023 is the largest and most significant global LNG industry conference and exhibition, occurring once every three years!
Upcoming IIR events: Portoroz
The 2nd IIR International Conference on Magnetic Refrigeration at Room Temperature will take place on April 11- 13, 2007 in Portoroz, Slovenia. Present a paper and register:
Upcoming IIR events: Portorosz
The 2nd IIR International Conference on Magnetic Refrigeration at Room Temperature will take place on April 11- 13, 2007 in Portorosz, Slovenia and follows a very successful initial event held in Montreux, Switzerland in September 2005. Find out...
The 2nd IIR International Conference on Magnetic Refrigeration at Room Temperature will take place on April 11-13, 2007 in Portoroz, Slovenia. Register: www.thermag2007.si Alojz Poredos
IIR events: conferences
Order the proceedings of three IIR conferences covering state-of-the-art topics: - 2nd International Conference on Magnetic Refrigeration at Room Temperature (Portoroz, Slovenia, April 11-13, 2007); - Ammonia Refrigeration Technology for Today...
Focus on the last events in June 2021
In June 2021, the IIR organised two conferences: Thermag and HFO. It also participated in the European Conferences on the latest technologies in refrigeration and air conditioning organised by Centro Studi...
Encyclopedia of Refrigeration
18 results
Global HFC emissions from the refrigeration sector
This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
Kigali Amendment status per country
List of the 163 countries that have accepted, approved or ratified the Kigali Amendment as of November 15, 2024.
Global cold storage capacity
This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Events
8 results
IIR event
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...
Find out more
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...
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...
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 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...
Data Centers at a Crossroads: Energy, Cooling, and Policy Challenges
May 12, 2026
Register...
