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IIR document
Material requirements for magnetic refrigeration applications.
Experimental analysis of an evaporative–vapour compression based combined air conditioning system for required comfort conditions.
Minimum airflow rates to dilute A2L refrigerant leaks from refrigeration systems.
Engineering Guidelines & Minimum System Standards for Implementation in Cold Chain Components.
Electrical protection for HVAC&R equipment.
Ductwork cleaning requirements and access doors.
Design requirements for effective ammonia defrost systems.
Sound quality evaluation of HVAC&R equipment.
Requirements for FFS SC magnets cryogenic system.
Compliance with flammability requirements for ammonia refrigeration systems.
Cryogenics in high-current busbars – Solutions and requirements.
Cold chain requirement for value added dairy products.
Numerical analysis of time required for destratification in warehouses.
Global trends, design and safety requirements for ammonia installations.
Refrigeration sector monitoring
689 results
Radio frequency technology makes warehouses more efficient and safer
Industrial Conveying has developed new technology for high-rise warehouses. Each crane communicates with every stationary object on its racks. The High Bay Stacker is managed by Radio Frequency (RF) and makes it possible to use very high spaces....
EU requires cold treatment for citrus imports
According to a new EU legislation, a mandatory cold treatment will be required for citrus fruits imported from non-EU countries.
Latest IGU report: alarming gas-to-coal switching requires low-carbon solutions
The International Gas Union (IGU) assesses the global natural gas trade in 2020-21 in a report released in May 2022. The report also discusses the need for long-term alternatives to natural gas to reduce...
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.
World LNG Report 2025: LNG trade continues to grow, requiring increased global decarbonisation efforts
According to the IGU, global LNG trade grew by 2.4% in 2024, connecting 22 exporting with 48 importing markets. With increasing global regulatory focus on methane emissions, particularly from the EU, Japan, and...
High-efficiency inverter scroll compressors
Summary of an interesting paper from the 2016 Purdue Conference on compressors.
The benefits of linear compressors
Three articles published recently in the IJR illustrate the strength of R&D work around linear compressors and highlight the benefits of these, especially in commercial and domestic...
World Energy Outlook 2024: cooling drives electricity demand, especially in developing countries
In its latest report, the IEA predicts that residential air conditioning will require an extra 700 TWh of electricity by 2035, more than three times the extra demand from computer...
Changes in the use of cryogenic propellants in space
Near-term exploration beyond low Earth orbit will require the use of cryogenic propellants and in-space cryogenic propellant storage durations will exceed our current capabilities by at least two orders of magnitude. This will require the...
Publication of EU eco-design regulations for commercial refrigeration appliances
The Ecodesign regulations setting energy efficiency requirements for commercial appliances will apply in all 28 EU member states from March 2021.
Bunker under highly controlled-atmosphere to measure Earth’s rotation
Equipment with extremely stable laser requires perfect mastery of air pressure and temperature.
New European ecodesign regulation for air conditioners
New European Regulation 206/2012 that sets minimal performance requirements for air-conditioners will enter into force in January 2013.
EU Ecodesign Regulation No 1253/2014 for Ventilation Units
Since 1 January 2016, the European Ecodesign Regulation (No 1253/2014) has been applied to ventilation units with stringent requirements scheduled in 2018.
AREA publishes new F-gas guide for contractors
AREA’s new F-Gas GUIDE details crucial updates on leak checks, labeling requirements, and service bans for high-GWP refrigerants.
AREA new guide on training and certification on low GWP refrigerants.
AREA, Air conditioning and Refrigeration European Association, has published its Guidance on minimum requirements for contractors' training & certification on low GWP refrigerants.
IIR news
143 results
We are hiring a Scientific Translator (EN > ES) – Technical Publications & Refrigeration Content
This consulting role requires a translator with proven experience in scientific and technical content, particularly in the fields of refrigeration, thermal engineering, and energy systems.
We are hiring a Graphic Design Consultant – Technical Publications & Scientific Infographics
This role requires a designer with a strong grasp of scientific communication, capable of translating complex data and engineering concepts into clear, engaging visuals for diverse audiences.
Cooling data centres: A major economic challenge
Larger data centres can use a staggering amount of energy just to ensure the day-to-day running of electronic equipment. As a result, these data centres can produce a great deal of heat, which require large-scale cooling systems in order to...
Member news: Ultra-low temperatures. NIST creates a more efficient pulse-tube refrigerator prototype
American researchers have created a prototype pulse-tube refrigerator that significantly reduces the time and energy required to reach temperatures close to absolute zero: an exciting advance for the quantum...
Healthcare drones: Countless advantages for a healthier society
With the objective of making it possible for those who require urgent healthcare supplies delivered as often and as regularly as necessary, various companies are now pushing the possibilities of exploiting drones to deliver healthcare supplies...
Press release: The IIR releases Informatory Note on The Role of Refrigeration in the Global Economy
The 29th International Institute of Refrigeration (IIR) Informatory Note presents the application and requirements of refrigeration across the globe and the key role it plays in all areas of the economy and in all the major challenges of today's...
Have your say! Complete the survey on the future IIR website
The International Institute of Refrigeration (IIR) will develop a new version of its website and requires your help in order to better meet your needs and offer you new content and services.
Have your say! Complete the survey on the IIR website
10 questions, 3 minutes! Whether you are a frequent visitor or new to our website, participate in the survey!
New IIR Informatory Note: “Whole Body Cryotherapy/Cryostimulation”
Learn about the latest advances and the challenges related to these rapidly developing techniques.
IIR Informatory Note highlights global air conditioning's CO2 emissions and energy impact
The IIR has modelled current and future CO2 emissions attributable to air conditioning in different regions of the world.
Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system
Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.
The International Journal of Refrigeration (IJR)
The IJR is the most important scientific journal in the field of refrigeration technology. It is a co-publication of Elsevier and the IIR. Eight issues are published each year, with over 15 articles per issue. Certain issues are totally or...
News from IIR members: Danfoss
Danfoss won the 2009 AHR Exposition Refrigeration Innovation Award. The honoured product is a newly developed energy-saving variable frequency drive for compressors, pumps, and fans. In refrigeration applications, the AKD 102 constantly matches...
Member news: Daikin introduces EWYS-4Z: High-Efficiency Cooling and Heating Solution for Industrial and Commercial Needs
The polyvalent EWYS-4Z cooling and heating unit, which runs on R513A, is designed for superior energy efficiency and reduced noise for industrial and commercial applications.
New IIR Informatory Note on Air-source heat pumps for space heating and cooling
The IIR has issued a new Informatory Note on Air source heat pumps for space heating and cooling. A summary for policymakers and a Chinese version of this note have also been published.
Encyclopedia of Refrigeration
9 results
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...
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...
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...
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...
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...
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...
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...
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...
Events
1 result
Other event
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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