Main menu
Search results
Search in FRIDOC
27 results
IIR document
Visual experimental research on the effect of nozzle orifice structure on r124-DMAC absorption process in a vertical bubble tube.
Fuzzy modeling approach for transient vapor compression and expansion cycle simulation.
Research on oxidation decomposition mechanism of fluoroethane.
Density data for carbon dioxide (CO2) +trans-1,3,3,3-tetrafluoroprop-1-ene (R-1234ze(E)) mixture at temperatures from 283.32 to 353.02K and pressures up to 10MPa.
Density of the refrigerant fluids of R365mfc and R152a: measurement and prediction.
Method of measuring the vapor pressure and concentration of fluids using VLE and vibrating tube densitometer apparatuses.
Investigations on the coupling principle of the four-stage DC linear compressor unit used in a hybrid cryocooler operating in 1–2 K.
Indoor atmospheric nanocluster aerosol dynamics in residential buildings.
REFRIGERANT-ABSORBENT MIXTURES BASED ON THE REFRIGERANT R134A.
VISCOSITY AND DENSITY OF REFRIGERANT ABSORBENT AT ELEVATED TEMPERATURE AND PRESSURE.
Working substances for absorption heat pumps based on R32.
P-T-X BEHAVIOUR OF REFRIGERANT-ABSORBENT PAIRS.
Spray formation of binary organic solution for an absorption refrigeration system.
A MEMBRANE FRACTION FROM RED HAKE (UROPHYCIS CHUSS) MUSCLE CATALYZING THE CONVERSION OF TMAO (TRIMETHYLAMINE OXIDE) TO DMA (DIMETHYLAMINE) AND FORMALDEHYDE.
Thermodynamic properties of working-fluid pairs with R134a for absorption refrigeration systems.
Refrigeration sector monitoring
948 results
Buildings: heating and cooling equipment roadmap
At the request of the G8, IEA is developing a series of roadmaps for some of the most important technologies needed for achieving a global energy-related CO2 emissions target in 2050 of 50% below current levels. Energy-efficient Buildings: Heating...
Ghana: a roadmap for sustainable cooling
In December 2024, Sustainable Energy for All (SEforAll) released a report to provide Ghana’s policymakers, investors and other stakeholders with key data and recommendations to meet...
IEA “Net Zero by 2050” roadmap: the role of the refrigeration sector
In its latest report, the IEA stresses that the path to net‐zero emissions by 2050 is narrow. In this context, the refrigeration sector, including heat pumps, has an important role to play.
Infants with brain damage benefit from cooling
Doctors at the UC Davis Medical Center have been using a cooling technique to help children born with brain damage. Instead of being placed in blankets after birth, the infants are being cooled in order to prevent further brain damage from occurring.
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...
Brazilian cold chain panorama
An article from the International Journal of Refrigeration presents a few figures about the infrastructure, energy sources and expenditure of the Brazilian cold chain.
Heat pump sales grew dramatically in Europe in 2021
According to the 2022 market report by the European Heat Pump Association (EHPA), heat pump sales grew by +34% in 2021, compared to a +7.4% growth in 2020.
Coldest ever molecules
Physicists at Yale University claim to have achieved the coldest ever molecules through direct cooling.
Mauritius breaks record with the largest diesel/photovoltaic system installed
One of the world’s largest diesel/photovoltaic hybrid systems is to be installed in a supermarket in the city of Flacq, Mauritius.
Squid skin inspires research on next-generation space blanket
Next-generation space blankets could be made of a thermoregulatory material inspired by the functioning of squid skin, which changes color.
The European Commission has initiated an evaluation of the Regulation n°1005/2009 on ozone-depleting substances (ODS)
The European Commission recently published a roadmap ahead of the evaluation of the effectiveness of European ODS Regulation n°1005/2009.
HFCs to be taxed in France in the near future?
In the “Roadmap for the Environmental Transition” published after the “Environmental Conference” held on September 14-15, 2012 in Paris, the French government raised the possibility of examining a potential tax on fluorinated gases used as...
Global refrigerant market forecast to 2022
MarketsandMarkets published a report which estimates global refrigerants markets at USD 14.49 Billion in 2017 .
Global markets: natural refrigerants, refrigerated road transport and refrigerated warehousing
Marketsandmarkets and Technavio recently provided projections of the global natural refrigerants market, the global refrigerated road transportation market and the global refrigerated warehousing market for for the next years.
Global district cooling market
According to a new report from MarketsandMarkets (information provided by ReportLinker), global district cooling market is growing at 11.4% compound annual growth rate (CAGR) until 2019.
IIR news
280 results
World Refrigeration Day 2025: IIR reaffirms the importance of collaboration for advancing refrigeration science, policy and industry at a landmark event
Explore the diverse materials below to learn how this successful event underscored the essential role of collaboration between science, industry, and policy in ensuring access to sustainable refrigeration for...
Yokohama e yokoso !
From 16 to 22 August 2015, the IIR International Congress of Refrigeration (ICR), recognised internationally as a milestone refrigeration event, will bring together key refrigeration stakeholders from across the globe at the Pacifico Yokohama...
The Congress in Yokohama: a great success!
In Yokohama, the International Congress of Refrigeration (ICR2015), a huge milestone in the refrigeration sector, saw a massive amount of information disseminated and certainly lived up to expectations with almost 1,200 conference delegates, 143...
Special issue of the International Journal of Refrigeration (IJR) on boiling and condensation of refrigerants
A landmark special issue of the International Journal of Refrigeration (IJR) on boiling and condensation of refrigerants has just been published.
World Ozone Day 2025 - 40 Years of Global Commitment
Join the International Institute for Refrigeration (IIR) in supporting the Ozone Secretariat on World Ozone Day 2025 marking the 40th anniversary of the Vienna Convention for the Protection of the Ozone Layer....
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...
News from IIR members: Tecumseh do Brasil
Tecumseh do Brasil has reached a landmark of 170 million compressors manufactured since the company was set up 35 years ago. The company manufactures hermetic compressors and condensing units for domestic and commercial refrigeration and air...
UNEP events: the Montreal Protocol
The Montreal Protocol: Celebrating 20 Years of Progress The Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer will celebrate the 20th Anniversary of the signature of this landmark international treaty, which is widely...
Adapting to Rising Temperatures: Highlights and Proceedings from the 1st IIR International Adaptation Conference
The 1st IIR International Conference on Refrigeration: Adapting to Rising Temperatures, held from 10–13 August 2025 at the University of Manchester, brought together over 120...
OEWG-47 Side Event Highlights Urgent Need for Sustainable Cooling in Data Centres
The Climate and Clean Air Coalition (CCAC) and the International Institute of Refrigeration (IIR), with support from UNEP United for Efficiency (U4E), brought together experts, policymakers, and industry leaders...
Happy World Ozone Day!
On behalf of UN Environment Programme (UNEP) OzonAction, it gives us great pleasure to wish you a happy World Ozone Day.
The “Projects on clean and efficient refrigeration solutions for food and healthcare sectors in developing countries” workshop at ICCC 2022
An IIR workshop which has gathered the current projects in developing countries that will help to raise awareness among the industry, farmers, policymakers, and consumers… on the importance of adopting a...
UN Environment and IIR reinforce partnership
In order to formalise their existing partnership, the International Institute of Refrigeration (IIR) and the UN Environment signed a Memorandum of Understanding (MOU) during the 31st Meeting of the parties to the Montreal Protocol (MOP).
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...
International Institute of Refrigeration (IIR) releases new technical brief: “The role of refrigeration in the global economy (3rd edition)”
This comprehensive report highlights the critical importance of refrigeration in addressing global challenges related to food security, healthcare, energy efficiency, and climate change.
Encyclopedia of Refrigeration
14 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...
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 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...
André Lebon
André Lebon (1859 – 1938). Membre fondateur de l’Association Internationale du Froid puis de l’Institut International du Froid
For IIR members only
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).
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...
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.
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...
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...
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...
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...
Events
6 results
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...
Find out more
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...
11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting
June 07, 2026 - June 11, 2026
Ljubljana, Slovenia
Submit your abstract now! The 11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting (Thermag 2026), to be...
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,...
