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United Nations Secretary-General’s Call to Action on Extreme Heat
General classification of heat pumps solutions for multi-family buildings.
Normalizace a odlucovací schopnosti filtru pro všeobecné vetrání.
Standardization and separation capabilities of filters for general ventilation.
IIR document
A general correlation for critical heat flux in horizontal channels.
A general model for two-stage vapor compression heat pump systems.
A general method for calculating the uncertainty of virtual sensors for packaged air conditioners.
General correlation for critical heat flux during saturated flow across a cylinder.
Recommended by the IIR / IIR document
General framework for revising class A3 refrigerant charge limits – a discussion.
PDSim: A general quasi-steady modeling approach for positive displacement compressors and expanders.
Research on personnel density and air conditioning cooling load in a general hospital.
[In Chinese. / En chinois.]
New general correlation for heat transfer during saturated boiling in mini and macro channels.
Experimental study and general correlation for condensation heat transfer coefficient inside microfin tubes.
Metal-Organic Framework adsorbent materials in HVAC systems: general survey and theoretical assessment.
A general correlation for heat transfer during evaporation of falling films on single horizontal plain tubes.
Artificial intelligence strategies applied in general and automotive air conditioning control. A review of the last 20 years.
Refrigeration sector monitoring
244 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
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”.
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.
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.
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...
Extreme heat grips Brazil: record temperatures, power demand surges, and emergency actions
Amid record-high temperatures above 40°C, the Southeast and Central-West regions of Brazil are experiencing peak electricity demand for cooling and require local actions to tackle heat stress.
Launching of SeCrioNet, the first Spanish scientific network dedicated to cryobiology
Currently based at the University of Vigo, Spain, SeCrioNet brings together experts from various disciplines to promote research, technological development and strategic applications of cryopreservation in...
IIR news
158 results
IJR Editorial: World Refrigeration Day 2020
Editorial of Didier Coulomb, Director General of the IIR, published in volume 113 of the International...
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.
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.
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...
Annual IIR statutory meetings
The annual IIR statutory meetings took place between June 13 and 15, 2018 in Paris. They were held at La Cité des Sciences et de l’Industrie, where the attendees could visit the international exhibition on refrigeration.
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.
New IIR Informatory Note on The Role of Refrigeration in the Global Economy
Discover the 29th Informatory Note on Refrigeration Technologies
Encyclopedia of Refrigeration
4 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...
Events
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
1st IIR International Conference on Refrigeration Adapting to Rising Temperatures
August 10, 2025 - August 13, 2025
Manchester, United Kingdom
The International Institute of Refrigeration is proud to announce that the first IIR International Conference on Refrigeration Adapting to Rising Temperatures will take place in Manchester, UK on 10-13 August 2025.
Other event
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
Submit your abstract by 29 May...
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,...
