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Effect of fractionation on ejector and system performance in R1234yf/R32 refrigeration system.
Refrigeration sector monitoring
352 results
Latest progress in the Caribbean Cooling Initiative
Jamaica and the Dominican Republic are working towards setting up policies and minimum energy efficiency requirements to reduce energy consumption and GHG emissions from cooling.
Slight increase in global LNG trade in 2020
Global LNG trade continued to grow in 2020 albeit at a slower pace than the previous year. Meanwhile, orders for LNG-powered vessels have increased significantly.
Pilot project for the export of fresh vegetables by sea from Australia
Australia’s vegetable exporters are testing modified atmosphere and controlled atmosphere packaging to increase the shelf-life of fresh produce during sea freight.
France: a guidebook on the best practices for the loading of frozen food (in French)
The French Union of Refrigerated Transport (UNTF) published a best practice guide on frozen food loading in refrigerated trucks.
Not-in-kind cooling technologies performance comparison
This study proposes a quantitative comparison of refrigerants and system performance of not-in-kind cooling technologies.
Immersion cooling: a high-performance plant-based fluid
A U.S. food company has created an immersion cooling fluid for data centres made from 90% vegetable oil.
Importing citrus fruits into the EU: cold treatment is now mandatory
As of 24 June 2022, precooling at origin and a cold treatment in transit are mandatory for citrus fruits imported from non-EU countries.
Energy saving initiatives for cooling in data centres
In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...
Single-fuel LNG ferries with waste heat recovery systems
A Dutch ferry operator has recently commissioned two new ships with single-fuel LNG engines. The ships are also equipped with a waste heat recovery system to generate electricity.
An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels
Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...
The European Commission releases a “Renovation Wave Strategy” for more energy-efficient buildings.
Decarbonisation of heating and cooling is among the top three priorities of the European Commission’s new “Renovation Wave Strategy”. The strategy promotes cooling and heating using waste heat or cold along with...
HFC phase-down: update on the Kigali Amendment and the EU F-gas Regulation
In the European Union, the F-gas Regulation’s objectives were broadly respected in 2017; at an international level, the Kigali Amendment came into force on January 1, 2019, with currently 67 ratifying states.
Australian government urged to action on HFCs and climate change
In August 2015, Prime Minister Tony Abbott’s cabinet announced plans to phase-down HFCs by 85% by 2036 and greenhouse gas emissions by 26-28% below 2005 levels by 2030.
UK: 50% of refrigeration plant end-users might not comply with F-Gas requirements
Many equipment owners believe that because they have a maintenance contract with an F-gas registered service company, they are fully covered in terms of F-gas compliance.
HFCs are “ weak ozone-depleting substances”
Although HFCs are promoted as being zero ODP refrigerants, they do have a small but measurable effect on ozone depletion, according to a new study by NASA.
IIR news
140 results
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...
New IIR Informatory Note on The Role of Refrigeration in the Global Economy
In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...
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.
26th IIR International Congress of Refrigeration - Call for abstract
Abstract submission for the 26th International Congress of Refrigeration is extended. ICR 2023 is scheduled from 21st to 25th August 2023 in Paris.
Rome declaration: actions already underway!
Following the Rome declaration signed by 76 countries on the need of a sustainable cold chain for food and after signing a new Memorandum of Understanding between UNEP and the IIR in November 2019, a series of actions were undertaken.
The Mostra Convegno exhibition
In March 2018 the IIR participated in one of the biggest exhibitions on refrigeration technologies, Mostra Convegno, which took place, as always, in Milan.
The 30th Conference of the Parties to the Montreal Protocol in Quito, Equador
The 30th Conference of the Parties to the Montreal Protocol took place in Quito (Equador) on 5-9 November 2018. Didier Coulomb, Director General of the IIR, made a statement.
Conference update: Stockholm
The 2nd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems will be held in Stockholm, Sweden, on June 16-17, 2010. The main themes are: design of low-refrigerant charge systems thermodynamics in compact heat exchangers; design...
The 2nd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems will be held in Stockholm, Sweden, on June 16-17, 2010. Key themes include: design of low-refrigerant charge systems; thermodynamics in compact heat exchangers; design...
IIR member news: Cemafroid, IRSTEA and AFCE
A new study on the containment of refrigerants has been launched with the aim of identifying and promoting best practices in this regard.
The IIR participated in the EC consultation on the F-gas Regulation
In response to the European Commission (EC) consultation, the IIR sent comments on an EC report on the application, effects and adequacy of the F-gas Regulation.
New IIR Informatory Note on Containment of Refrigerants
Currently available for IIR members only, the 24th IIR Informatory Note “Containment of Refrigerants within Refrigeration, Air Conditioning and Heat Pump Systems” is out.
IIR events: new IIR working party
A proposal for a new IIR working party will be discussed during the meeting of the Science and Technology Council in August 2007 in Beijing. This working party is to deal with reduction in the refrigerant charge of refrigeration plants through...
IIR member news: AFCE
The AFCE published an explanatory document of the F-Gas Regulation.
IIR Working Party on Refrigerant Charge Reduction in Refrigerating Systems: Join Us!
Suitable design of refrigerating systems has several benefits in terms of limitation of the environmental impact thanks to a reduction in the energy consumption and the limitation of refrigerant emissions. The direct greenhouse effect accounts for...
Encyclopedia of Refrigeration
3 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...
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...
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...
Events
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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,...
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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...
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...
