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IIR document
Mapping of cold chain in Nepal
A study on passive cooling strategies for buildings in hot humid region of Nepal.
Get leducated. To see or not to see.
[en russe/in russian]
Review on nano enhanced PCMs: Insight on nePCM application in thermal management/storage systems.
Understanding Urban Heat Vulnerability Assessment Methods: A PRISMA Review.
Investigation on thermo-physical properties of aqueous suspension of nanoencapsulated phase change materials.
Passive cooling analysis of an electronic chipset using nanoparticles and metal-foam composite PCM: an experimental study.
N-Tetradecane based nano-enhanced phase change materials containing MgO for cold energy storage.
Implementation, calibration and validation of a T-history experimental setup for measuring thermal properties of nano-enhanced phase change materials.
Recommended by the IIR
Nano-Enhanced Phase Change Materials for Thermal Energy Storage: A Bibliometric Analysis.
Nano-PCM storage with finned elliptical cross-section channels.
Study on the effect of nanoparticle dispersion on the melting of PCM in hemicylindrical cell.
Mit beiden Beinen nicht im Strafraum.
Do not give out rods to be beaten!
Dos and don'ts of display cabinets.
ARI White Paper. Noise criteria levels: what they mean and what they do not mean.
Refrigeration sector monitoring
267 results
Nepal joins global effort against climate change as 164th country to ratify the Kigali Amendment
This August, Nepal ratified the Kigali Amendment, which will enter into force in November 2025.
Refrigerant news: General Motors
General Motors has announced that it will convert by 2013 the air-conditioning systems in its entire fleet of Chevrolet, Cadillac, Buick and GM models from HFC-134a (GWP of 1300) to HFC-1234yf developed by Honeywell and DuPont (GWP of 4). GM said...
New REHVA General Secretary
During the latest REHVA General Assembly held on April 18, 2012, in Timisoara, Romania, Prof. Olli Seppänen announced that he will be stepping aside from the post of REHVA Secretary General. The new Secretary General, Jan Aufderheijde, who was...
Briefs: China, Fiji, Jamaica and Senegal
China, Fiji, Jamaica and Senegal have won 2003 Outstanding National Ozone Unit Awards in recognition of their achievements in terms of compliance with their Montreal-Protocol commitments. A panel comprising representatives of the Multilateral...
A 210-kW refrigeration complex to be built in Kafountine, Senegal
Senegalese minister of fisheries and maritime economy has announced the construction of a 210-kW refrigeration complex
“Benen ECOFRIDGES”: Senegal focuses on energy-efficient refrigeration to cut energy bills
Senegal’s Economy and Energy Management Agency (AEME), along with its institutional partners DIREC and Senelec, has launched the “Benen ECOFRIDGES” initiative as part of the ECOFRIDGES Senegal...
Market assessment and financial schemes for sustainable cooling in Ghana and Senegal
In partnership with the UNEP’s “United for Efficiency”, Ghana and Senegal have implemented financing schemes to replace obsolete ACs and refrigerators, as part of the ECOWAS Refrigerators and Air Conditioners...
A mathematical study presents a general derivation and a quantifcation of the third law of thermodynamics
Two physicists from University College London have provided a derivation of the "unattainability principle", which states that any process cannot reach absolute zero temperature in a finite number of steps.
Addressing gender and regional disparities in access to cooling
The annual Chilling Prospects report estimates that 1.12 billion poor people in rural and urban areas are at high risk due to a lack of access to cooling.
Cold chain figures in developing countries
Some interesting figures on developing countries were provided during the FAO Technical Meeting on Cold Chain Development in which the IIR participated.
Road to COP28. Achieving sustainable cold chains in low-to-middle-income countries
Successful implementation requires clear government strategy, financial support, close engagement with local communities and users, trainings for efficient use and maintenance, and...
Indian domestic refrigerator market in 2012
The Indian domestic refrigerator market is expected to grow at a compound annual growth rate (CAGR) of 11% in the near future
Launching of the ROCA project for sustainable cooling in francophone African countries
From 2021 to 2024, the ROCA project aims to promote sustainable and energy-efficient cooling in four French-speaking African countries: Burkina Faso, Cameroon, Mali and Senegal....
History of the expansion of air conditioning in the United States
An article published in the Guardian goes through the history of air conditioning development in the United States.
A responsible community, from science to society
IIR newsletter focus, by Philippe Lebrun, President of the General Conference of the IIR
IIR news
198 results
Statement from IIR Director General at MOP37
Statement delivered by Dr. Yosr Allouche, IIR Director General, on November 7, 2025 at MOP37, in Nairobi, Kenya.
Statement from IIR Director General at COP29
Watch the IIR’s official statement delivered by IIR Director General Yosr Allouche at COP29, held in Baku, Azerbaijan, from 11-22 November, 2024. Transcript is available...
IIR Conferences: Statement by the Director General
The Director General of the International Institute of Refrigeration, Yosr Allouche, invites participants from around the world to join the upcoming IIR conferences, which are open to all.
Statement from IIR Director General at COP13/MOP36
On the final day of COP13/MOP36, held in Bangkok, Thailand, from 28 October to 1 November 2024, IIR Director General Yosr Allouche delivered IIR’s official statement to the Plenary.
Statement by Yosr Allouche, new Director General of the IIR
The International Institute of Refrigeration (IIR) is pleased to announce the official nomination of Yosr Allouche as its new Director General. In this statement, she outlines her vision and aspirations for the...
Statement given by Didier Coulomb, Director General of the IIR, during MOP 34
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 34th Meeting of the Parties to the Montreal Protocol (MOP-34) in Montréal, Canada (octobre 31 –...
Statement given by Didier Coulomb, Director General of the IIR, during COP 27
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 27th Conference of the United Nations Framework Convention on Climate Change (COP 27) in Charm...
Statement given by Didier Coulomb, Director General of the IIR, during COP 21
Statement given by Didier Coulomb, Director General of the International Institute of Refrigeration (IIR) during the 21st United Nations Climate Change Conference (COP 21) in Paris (November...
Statement given by Didier Coulomb, Director General of the IIR, during COP 25
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 25th United Nations Climate Change Conference (COP 25), in Madrid (December 2-13, 2019).
Statement given by Didier Coulomb, Director General of the IIR, during COP 26
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 26th Conference of the United Nations Framework Convention on Climate Change (COP 26) in...
Statement given by Didier Coulomb, Director General of the IIR, during MOP 31
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 31st Meeting of the Parties to the Montreal Protocol (MOP-31) in Rome (November 4-8,...
Statement given by Didier Coulomb, Director General of the IIR, during MOP 28
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 28th Meeting of the Parties to the Montreal Protocol (MOP-28) in Kigali...
Statement given by Didier Coulomb, Director General of the IIR, during MOP 35
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 35th Meeting of the Parties to the Montreal Protocol (MOP-35) in Nairobi, Kenya (octobre 23 –...
Interview: Director General of the IIR gives an overview of the trends of the refrigeration sector
In the 2018-2019 international special issue of the Industria & Formazione magazine, Director General of the International Institute of Refrigeration, Didier Coulomb, gives an overview of the impact of the refrigeration sector on climate...
Statement presented by Didier Coulomb, Director General of the IIR during COP-28 Dubai (United Arab Emirates)
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 28th Conference of the Parties (COP-28) in Dubai, United Arab Emirates (30 November - 12 December...
Encyclopedia of Refrigeration
10 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...
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...
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...
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.
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...
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...
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 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...
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...
Events
4 results
IIR event
Webinar – Refrigerated Transport in Hot Climates: Challenges and Innovations
December 09, 2025
France
Objective: To share key insights from the UNEP/IIR Cold Chain Technology Brief: Road Refrigerated Transport in Hot Climates, foster dialogue between experts, industry, and policymakers, and promote sustainable...
Find out more
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...
Other event
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
Register...
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,...
