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Refrigeration Applications: Keep Standards Simple.
Introduction to ASHRAE 205 – A New Standard for HVAC&R Performance Maps.
Recommended by the IIR / IIR document
Standard rating conditions based on two-side multi-grade method: summary and analysis on the Chinese standards for air source heat pumps.
Recommended by the IIR
World’s Best MEPS: Identifying top energy efficiency standards for priority appliances.
Analysis of design solutions for overpressure systems in accordance with EN 12101-6.
Results of an Interlaboratory Comparison on Four Different Heat Pumps: Standards on the Test Stand.
Norma de ensayo PREN 17625 “roof top units—testing and rating at standard rating conditions and part load conditions for calculation of seasonal performance”.
IIR document
A new ISO 17584 standard equation of state for 2,3,3,3-Tetrafluoroprop-1-ene (R1234yf) and its modification for trans-1,2-Difluoroethene [R1132(E)].
Review of the NF S 99-700 standard for the qualification of standalone isothermal solutions.
Repeatability and reproducibility assessment of residential heat pump performance evaluation methodologies based on CSA EXP07 and AHRI 210/240.
Residential Refrigeration MEPS in Colombia: A Review and a Comparative Analysis.
China’s MEPS lead to major AC market transformation.
Humidity of indoor air needs attention.
Hydrocarbon refrigerants through the ages.
ASHRAE Guideline 38 methodology material compatibility testing of R-473A
Refrigeration sector monitoring
485 results
EU: huge stockpiling of HFCs
Imports of HFC refrigerants into Europe almost doubled in 2014, the year before quotas were introduced.
The most ambitious energy efficiency standards compared
The CLASP compared MEPS requirements across ten of the world’s most carbon-intensive economies.
Worldwide adoption of MEPS on the rise
Over 100 countries now use mandatory minimum energy efficiency performance standards or energy labels for the most common appliances, according to the IEA Energy Efficiency 2022...
International standardisation: new standard on display cabinets
A new version of the ISO 23953 standard on refrigerated display cabinets has been published.
Regional MEPS approved in 16 Southern African countries
Harmonised regional MEPS for air conditioners and refrigerators have been approved for implementation in 16 Southern African Development Community (SADC) member...
Smart standard for smart labels
There are currently no official standards to assess smart labels
United States: more stringent energy efficiency standards for refrigerators
The US Department of Energy imposes targets for reducing the energy consumption of refrigerators and freezers by 10 to 15% by 2029-2030
France: The NF EN 378 standard enters into force on April 1st, 2017 (in French)
The NF EN 378 standard providing guidance for companies who work with refrigerating systems, entered into force in France on April 1st, 2017.
Adoption of long-awaited standard for flammable refrigerants
International Electrotechnical Commission standard approves increased charge of flammable refrigerants in domestic installations.
New standards for “intelligent” ACs implemented in China
China implements new standard to officially define and set technological requirements for intelligent ACs. Additionally, a Chinese air-conditioning manufacturer is the first company in China to achieve a global...
Uganda is drawing up draft energy and safety standards for household refrigeration
The Uganda National Bureau of Standards (UNBS) contributed to the East African Standard for household refrigerating appliances as well as to a consultative stakeholder’s workshop to discuss new quality and...
EN 378 European Standard under revision
The final EN 378 standard is not expected to be published until 2015 at the earliest.
EN ISO 22712 Public enquiry for comments
The EN ISO 22712 standard can be a useful tool to develop national and international qualification/certification programmes and will allow further harmonisation of these schemes.
Australia adopts ISO refrigeration safety standards
Australia adopted international refrigeration safety ISO standards.
USA : new energy efficiency standards for commercial equipment
The US Department of Energy issued draft energy efficiency standards for commercial refrigeration equipment – such as self-contained commercial fridges, freezers, and deli cases – and for walk-in freezers and coolers.
IIR news
235 results
INDEE+ Project: Norwegian R744 condensing units arrived in India for educational purposes
Three R744 condensing units were sent to India by Prof. Armin Hafner (NTNU, Norway) to educate Indian institutions, end-users and vendors on clean cooling technologies, with the aim of helping India meet...
The Norwegian Royal Ambassy visit to INDEE+ educational unit in IIT Madras
To acknowledge the efforts of INDEE+, the Norwegian Ambassador Hans Jacob Frydenlund, Arvind Gopinath (Honorary Consul), Ms. Marit Marie Strand (Advisor), Mr. Vivek (Senior Advisor) and other team members...
New IIR Informatory Note on non-uniform environment
A non-uniform indoor environment can reconcile the demand for a healthy and comfortable environment and the objective of low carbon emissions.
ICCC2022 to be held as a virtual conference
The 7th IIR International Conference on Sustainability and the Cold Chain will now be held from 11 to 13 April 2022 as a virtual event allowing even more delegates to take part in this highly topical...
International Network for Women in Cooling Launches Online Platform to Connect Women Professionals Around the Globe
Paris, 11 May 2023 — Today, the International Network for Women in Cooling (INWIC) officially launched its web service, available at
Small steps towards a giant leap! Parties to the Montreal Protocol continue discussions on HFCs
Last week saw another step towards a global agreement on the phase down of ozone depleting substances, the event started with a buzz around the new amendment proposals to the Montreal Protocol.
Review of F-gas regulation - IIR contribution
The IIR has responded to the European Commission consultation “Fluorinated greenhouse gases – review of EU rules (2015-20)” which aims to collect opinions and suggestions about the update of the F-gas Regulation...
The IIR at 34th OEWG in Paris
This week the IIR attended the 34th Meeting of the Open-Ended Working Group of the Parties to the Montreal Protocol.
Quick Frozen Foods Code
The Recommended International Code of Practice for the Processing and Handling of Quick Frozen Foods of the Codex Alimentarius (Joint FAO/WHO Food Standards Programme) is now available on the Codex Alimentarius Web site on the list of
New IIR Informatory Note on “Qualification and Certification of Refrigeration Technicians”
The 28th IIR Informatory Note summarizes global, regional and national standards and regulations relative to the qualification and certification of refrigerating systems personnel.
The OEWG 38: dedicated to the phase down of hydrofluorocarbons
The IIR reports back from the 38th Open-Ended Working Group meeting in Vienna
The IIR at the refrigeration forefront of EU projects
Generally involved in the dissemination process, the IIR makes use of its network, activities and services to promote worldwide the research outcomes of the EU projects.
Discover the 36th IIR Informatory Note on “Flammable Refrigerants”
The 36th IIR Informatory Note on “Flammable Refrigerants” provides a comprehensive introduction to matters such as flammability characteristics, classifications and governing rules such as safety standards and regulations covering the entire...
Two IIR Informatory Notes on hot topics
The IIR has recently published two Informatory Notes on high-stakes subjects: flammable refrigerants and the Internet of Things and Artificial Intelligence in refrigeration and air...
IIR publishes a new Technical Brief: Domestic heat pumps using hydrocarbons - Current status and market overview in Europe
At a time when the energy transition is at the top of the global agenda, the IIR is publishing a new Technical Brief on domestic hydrocarbon heat pumps. This strategic document...
Encyclopedia of Refrigeration
14 results
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...
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
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...
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...
Global warming potential (GWP) of HFC refrigerants
Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...
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...
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...
Kigali Amendment status per country
List of the 163 countries that have accepted, approved or ratified the Kigali Amendment as of November 15, 2024.
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.
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...
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...
