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IIR document
Evaluating the generality of machine learning-based universal models used for prediction of condensation heat transfer coefficient in mini/macro channels.
Gas refrigeranti leggermente infiammabili – A2L.
Mildly flammable refrigerants - A2L.
HVAC-R industry dynamic stakeholder mapping: a proposal for policymakers, NGOs, and manufacturers alike.
My Resignation; Some History and Future Developments in Cryogenics.
Principi di base del condizionamento dell'aria. scegliere tra diversi tipi di sistemi di climatizzazione. 176a lezione.
HVAC in corrosive environment.
Carbon dioxide in industrial refrigeration.
The life and legacy of William Rankine.
Refrigeración. ¿De dónde venimos? ¿Dónde estamos? ¿Hacia dónde vamos?
Refrigeration: where did we come from, where are we now and where are we going?
Cryobiology: cryopreservation and cryostorage of cells/tissue engineered constructs
Gestire professionalmente l'attuale complessa situazione dei refrigeranti: i fluidi del futuro. 182a lezione di base.
Professionally managing the current complex situation of refrigerants: refrigerants of the future. 182nd basic lesson.
Monitoring, evaluation and controlling material in HVAC projects.
Refrigerazione con enerige rinnovabili.
Refrigeration using renewable energy.
Higienización de sistemas de climatización.
Sanitation of air conditioning systems.
Sur la route des propriétés thermophysiques des fluides frigorigènes.
About the thermophysical properties of refrigerants.
Refrigeration sector monitoring
262 results
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.
Net zero: some initiatives in the field of refrigeration
As part of the Race to Zero campaign launched by the UNFCCC, two initiatives on refrigeration have recently been promoted.
Refrigeration, a key player in the fight against cancer
Refrigeration technologies are an essential part of the prevention, diagnosis and treatment of several cancers.
The impact of humidity on global demand for cooling energy
Recent studies have highlighted the countries most affected by the need to adapt to rising temperatures. Assessing the impact of humidity on perceived temperatures also stresses out...
A responsible community, from science to society
IIR newsletter focus, by Philippe Lebrun, President of the General Conference of the IIR
WMO and WHO release new guidelines to protect workers from heat stress
The World Health Organization and the World Meteorological Organization have published a joint report and guidance highlighting the growing global health challenges posed by extreme heat on workers.
Japanese households don’t make the most of reversible heat pumps
Despite a high market penetration, less than half of Japanese households use their reversible heat pumps for heating.
Is GWP20 relevant?
At the 31st Open Ended Working Group of the Montreal Protocol meeting in Montreal in August 2011, a paper proposing to calculate GWP figures on a 20 rather than on a 100-year basis was released.
The need for air conditioning is increasing in the EU
Recent Eurostat figures show an increase in the number of cooling degree days in the EU-27 Member States. This indicates an increase in the need for air conditioning over the last decades.
Road to COP28. Energy efficiency and recovery of refrigerants
“Sustainability must refer to energy efficiency and circularity”, says Dr Laura Fedele, IIR expert.
China issues action plan to advance its heat pump industry
In April 2025, a group of China’s ministries and governmental bodies jointly released an “Action Plan for Promoting High-Quality Development of the Heat Pump Industry”.
Europe 2025 heatwaves: demand for AC surges as heat-related deaths triple
Recent analyses from the World Meteorological Organization, the World Resources Institute and the Imperial College London take stock of this summer’s heatwaves in Europe.
EU Energy Union
The European Commission has published its strategy framework for an Energy Union, containing 15 “action points” to consolidate energy supply and to reduce energy use and related carbon emissions throughout Europe.
Global energy demand is predicted to grow by more than one-third over the period to 2035
Global energy demand will grow by more than one-third over the period to 2035 according to IEA with China, India and the Middle East accounting for 60% of the increase.
With increased access, sustainable cooling can prevent up to 80% of heat-related deaths
Amidst rising temperatures due to climate change, adaptation through sustainable air conditioning reduced the burden of heat related mortality among the most vulnerable age groups...
IIR news
179 results
Discover the Encyclopedia of Refrigeration
The IIR is proud to present the newest addition to its portfolio of scientific information products; the Encyclopedia of Refrigeration.
IJR Editorial: World Refrigeration Day 2020
Editorial of Didier Coulomb, Director General of the IIR, published in volume 113 of the International...
Training and courses: Accessible opportunities online
The IIR has taken care to provide you with an exclusive selection of digital training and course material on the main themes of HVACR, including a section dedicated to certification courses from reputable international organisations and companies...
ICCC 2018 welcomed nearly 200 participants
Hosted by the Chinese Association of Refrigeration, the 5th IIR Conference on Sustainability and the Cold Chain welcomed nearly 200 participants this month in Beijing, China.
FRIDOC now features a selection of MDPI articles on refrigeration
About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.
Celebrating Heat Pumps Day with Björn Palm: Scientific Leadership and IIR Engagement
In celebration of Heat Pumps Day, the International Institute of Refrigeration (IIR) is proud to spotlight the work of Professor Björn Palm, a leading figure in the field of thermal systems and energy...
The IIR worldwide
Focus on the latest IIR interventions around the world.
Highlights of AFF's Journée Fluides 2024 and Vœux du Froid 2025
Find out about the highlights of “Journée Fluides 2024” and get ready for “Vœux du Froid 2025”, two key events organised by the French Association of Refrigeration (AFF) for professionals and partners in the...
Subscribe to the AGRI-COOL Newsletter!
Don't miss out on AGRI-COOL latest updates and advances by subscribing to the project’s upcoming newsletter.
AFF “Vœux du froid 2025”: A key event in the refrigeration industry
The IIR participated in the Refrigeration Season Greetings event hosted by the French Association of Refrigeration on January 16, which was a successful opportunity to discuss the critical role of refrigeration...
New IIR Informatory Note on The Role of Refrigeration in the Global Economy
Discover the 29th Informatory Note on Refrigeration Technologies
Women in the Refrigeration and Air-conditioning Industry Report
UN Environment recently published a report on the personal experiences and achievements of women working in the refrigeration and air-conditioning industry.
The activities of CaRe, the IIR working group on careers in refrigeration
CaRe, the new IIR working group dedicated to promoting careers in refrigeration to the younger generation and particularly women, has organised two events at the ICCC2018 conference in Beijing.
Encyclopedia of Refrigeration
6 results
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...
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...
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.
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...
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
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...
Find out more
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,...
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...
