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A heat and mass transport model of clay pot evaporative coolers for vegetable storage.
Fiche technique PRISME. Réfrigération efficace.
PRISME data sheet. Efficient refrigeration.
IIR document
Utilization of hybrid air conditioner and ultra-efficient air conditioner in (sub) tropic climate.
Experimental performance assessment of DC-inverter operated split packaged air conditioner using HC-290.
Performance simulation of an inverter operated split air conditioner using HFC-161 as an alternative refrigerant to HC-290 and HFC-32.
Effect of falling film condenser on refrigerant charge for domestic split air conditioner.
Performance assessment of air conditioner using HFC-161.
Thermal performance of phase change material (PCM) based pin-finned heat sinks for electronics devices: Effect of pin thickness and PCM volume fraction.
Heating/Cooling Fresh Air Using Hot/Cold Exhaust Air of Heating, Ventilating, and Air Conditioning Systems
National certification schemes for refrigeration and air-conditioning service technicians. Examples of strategies and requirements for their establishment and operation.
New logistics centre for mangoes in Bamako, Mali.
Microbiological quality of cow's milk taken at different intervals from the udder to the selling point in Bamako (Mali).
The quality improvement of quick-cooking rice by freezing and microwave techniques.
[In Thai. / En thai.]
Ventilation of potatoes in storage boxes.
Prospective of HFC-161 as an alternative to HCFC-22 in air conditioners.
Refrigeration sector monitoring
559 results
International standardisation: new standard on display cabinets
A new version of the ISO 23953 standard on refrigerated display cabinets has been published.
Faults and energy consumption of CO2 refrigeration systems in supermarkets
Food products refrigeration accounts for the largest share of energy consumption in supermarkets. In a recent study, the most common faults in supermarket CO2 refrigeration systems were investigated,...
UN Climate Change Conference in Bali
- The 13th United Nations Conference of the Parties on Climate Change, which was also the 3rd meeting of the Parties to the Kyoto Protocol, took place in Bali, Indonesia, on December 3-14, 2007. More than 10 000 persons attended this event which...
HFC phase-down will be discussed in Montreal and Bali
The UNEP Ozone Secretariat has released documents in the lead-up to the upcoming 31st Open-Ended Working Group (OEWG) of the Parties to the Montreal Protocol meeting, scheduled in Montreal, Canada on August 1-5, 2011. The documents include the...
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....
The California Air Resources Board approves plan for reducing short-lived climate pollutants, including HFCs
In a statement released on March 23, 2017 the California Air Resources Board (CARB) announced its approval of a plan to curb short-lived climate pollutants (SLCPs).
New refrigerant regulations in California
Starting in January 2012, the California Air Resources Board (ARB) will apply new refrigerant regulations In California.
Solar-powered reefer in California
Tested over five months in California's San Joachin Valley, the first solar-powered transport refrigeration unit on a city delivery truck produced positive results.
California Ice Exploration
Eleven Southern California municipal electric utilities are exploring the use of ice storage to help reduce peak electricity demand during hot summer months, given that 70% of this demand is due to air conditioners. The electric utilities are...
Briefs: California promotes ammonia
The US Environmental Defense Fund (EDF) has proposed a bill designed to tackle the issue of high global warming potential (GWP) gases in California, and it is hoped that the bill will pave the way to national legislation. Ammonia is put forward as...
Refrigerant management in California
For HVACR distributors in California who distribute or receive commonly used CFCs, HCFCs and HFCs, life has gotten more complicated since the beginning of 2011. A new programme instituted by the California Air Resources Board (CARB) requires...
California could ban the sale of high-GWP HFCs by 2020
The proposal seeks emission reductions to help California meet its 2030 greenhouse gas reduction targets.
California approves new energy efficiency rules for appliances
The California Energy Commission has approved new energy efficiency regulations for selected appliances sold in the State. They regulate appliances including: evaporative coolers, refrigerators, freezers and commercial icemakers, ceiling fans,...
Briefs: Thermal storage in public buildings in California
Energy storage equipment is to be installed in 28 city buildings and 250 local businesses as part of a partnership between Glendale Water & Power and Ice Energy. The USD 4.25 million programme will install 1.5 MW of energy storage and marks...
Dalian builds China’s first CO2/NH3 cascade cold storage logistics base
China is building the largest cold storage logistics base for aquatic products in Dalian, Northeast China. The 200 000-tonne, RMB 1 billion (roughly 128 million €) cold store is said to be the first large-scale cold storage logistics base adopting...
IIR news
288 results
The IIR is taking part in standardization work for TTIIs in France
Gérald Cavalier, President of Section D of the IIR’s Science and Technology Council was appointed President of the new E18A Commission of AFNOR (Association Française de Normalisation, the French Standardization Agency): “Cold chain control -...
OEWG-47 Side Event Highlights on International Training and Certification Standards for RACHP
The Centro Studi Galileo (CSG) and the European association of refrigeration, air conditioning with support from the International Institute of Refrigeration (IIR) and Institute For Governance & Sustainable...
The IIR at COP13/CMP3 in Bali
During the United Nations Conference on Climate Change which was held in Bali, Indonesia on December 3-14, 2007, delegates have agreed on both the agenda for the negotiations and a 2009 deadline for completing them. However, the text does not...
IIR WRD 2025 Press Release : Countries urged to establish national refrigeration committees to tackle food, health, animals and climate challenges
Drawing on the outcomes of the WRD 2025 high-level event held on 18 June, the IIR calls for coordinated national action towards sustainable, equitable refrigeration.
Commission C2: paving the way on food science & engineering
Coordinated by the Science and Technology Council, Commission C2 focuses on research and breakthrough technologies related to food science and engineering.
New IIR Informatory Note: The Role of Refrigeration in Worldwide Nutrition
In line with its corporate objective to promote knowledge of refrigeration and associated technologies and applications on a global scale, the IIR has published a new Informatory Note on “The Role of Refrigeration in Worldwide...
European Food Survey to decarbonise industrial operations
The ENOUGH project invites European food operators to complete a short survey on the advancements and potential for achieving the net-zero emissions target.
The IIR publishes a new Informatory Note on The Role of Refrigeration in Worldwide Nutrition
In line with its corporate objective to promote knowledge of refrigeration and associated technologies and applications on a global scale, the International Institute of Refrigeration (IIR) has published a new Informatory Note on “The...
New IIR Informatory Note (IN) on chillers and Russian version of the IN on nutrition
The IIR has just published a new Informatory Note on chillers as well as the Russian version of the IN on the Role of Refrigeration in Worldwide Nutrition already published in four other...
Sign-up to workshop at ICCC 2022: Clean and efficient refrigeration solutions for food and healthcare
Join the free online workshop on April 13 which will present the ongoing projects in developing countries that will help promote the adoption of climate-friendly refrigeration technologies.
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).
New IIR members
The IIR welcomes the following new members: Corporate members BASF AG, Ludwigshafen, Germany Prodal, Ciudad la Habana, Cuba Private members Mr Titus Bartholomeus, The Netherlands Mrs Susana Ferreira de Pablo, Spain Mr Stephen Gill,...
Find out who are the top 10 most active countries on the IIR website!
Since its overhaul in 2020, traffic to the IIR website has doubled and it has seen a drastic increase in the number of visitors from least developed countries. Find out who have been the top 10 most active...
Encyclopedia of Refrigeration
11 results
Kigali Amendment status per country
List of the 163 countries that have accepted, approved or ratified the Kigali Amendment as of November 15, 2024.
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...
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...
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...
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...
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...
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...
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 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
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...
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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...
