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  • Performance comparison of R1234yf and R134a

    A study published in Applied Thermal Engineering compares the performance of HFC-134a and HFO-1234yf as drop-in alternative in automotive air conditioning systems.

    • Publication date : 2017/05/24
  • Nearly 500,000 German cars use 1234yf

    Despite some German opposition to the new car air conditioning refrigerant R1234yf, around 500,000 cars have already been registered in the country with this gas.

    • Publication date : 2015/09/18
  • HFO-1234yf news

    HFO-1234yf, developed by DuPont and Honeywell as a substitute for HFC-134a in mobile air-conditioning applications in response to EU 2006/40 Directive which bans the use of refrigerants with a GWP higher than 150 in new types of vehicles by...

    • Publication date : 2011/02/04
  • HFO-1234ze news

    On January 30, 2011, HFO-1234ze, was accepted for use in foam and aerosol applications by the US EPA. HFO-1234ze (GWP = 6) is already used in Europe and Japan in a variety of foam and aerosol applications.Klima-Therm and...

    • Publication date : 2011/06/08
  • Refrigerant news: HFO-1234yf

    The US EPA has proposed to list HFO-1234yf as an acceptable alternative refrigerant in mobile air-conditioning (MAC) systems. The proposed decision only applies to new MAC systems in passenger cars and trucks since EPA had previously determined...

    • Publication date : 2010/03/07
  • HFO1234ze prototypes finally released

    The prototype is said to be suitable for outdoor air-cooled chiller applications

    • Publication date : 2012/03/21
  • Launch of the first R1234ze free-cooling chillers

    The “first to market” TurboChill free cooling chillers using low global warming potential (GWP) refrigerant R1234ze are going to be launched.

    • Publication date : 2013/12/18
  • EPA permits R1234yf to be sold to US consumers

    As a result of a lawsuit brought by the AAIA and the ARPI, the U.S. Environmental Protection Agency (EPA) issued a final rule that will permit R1234yf to be sold to US consumers.

    • Publication date : 2013/12/29
    • Subjects: Regulation
  • Foam blowing agents: use of R1233zd(E) is expanding

    Honeywell announced that TCL, one of China’s largest appliance manufacturers, selected HFO1233zd(E) as foam blowing agent in its domestic refrigerators.

    • Publication date : 2017/12/18
  • European Commission questions Honeywell/DuPont R1234yf collaboration

    On October 21, 2014, the European Commission has sent a Statement of Objections to Honeywell and DuPont regarding cooperation on new refrigerant used in car air-conditioning systems.

    • Publication date : 2014/11/24
  • MAC: CO2 or HFO-1234yf?

    The SAE Alternate Refrigerant Symposium held in Phoenix, USA, on June 10-12, 2008, provided an opportunity for the various stakeholders of the global automotive industry to present their views regarding the next-generation refrigerant in mobile...

    • Publication date : 2008/08/12
  • Daimler agrees to use R1234yf to comply with EU regulations

    Daimler agrees to use R1234yf but will phase in CO2 from next year.

    • Publication date : 2015/12/06
  • R1234yf tested for bus air conditioning

    Tests co-funded by the Spanish Ministry of Science and Innovation and run bus AC system company Hispacold suggest that HFO-1234yf is a near drop-in replacement refrigerant for HFC-134a in the tested Hispacold’s 12S roof top bus air-conditioning...

    • Publication date : 2011/12/30
  • European Commission investigates over R1234yf patents

    On December 16, 2011, the European Commission (EC) has "opened antitrust proceedings concerning agreements between Honeywell and DuPont" for the development of R1234yf for air-conditioning systems in cars. "

    • Publication date : 2012/02/27
  • First car models using HFO-1234yf

    During the recent Mobile Air Conditioning Society Worldwide convention and trade show in Las Vegas, USA, discussions focused on the vehicles will have the new HFO-1234yf refrigerant. It was revealed that one vehicle was already being sold with the...

    • Publication date : 2012/07/03
  • LNG2023: Registration is open!

    Explore the programme overview and secure your spot at LNG2023. Early Bird registration ends April 7, 2023!

    • Publication date : 2023/02/17
    • Subjects: Technology
  • In 2023, join the IIR!

    The International Congress of Refrigeration will take place in August in Paris. Remember to take your 2023 membership as soon as possible to benefit from significant discounts when...

    • Publication date : 2023/01/26
  • Best wishes for 2023

    Happy New Year!     “2023 will be a year promoting sustainable refrigeration at an international level, in particular with the United Nations Environment Programme. It will also be...

    • Publication date : 2023/01/11
  • ASHRAE 2023 “Women in RACHP” workshop

    At the ASHRAE 2023 winter conference and exhibition in Atlanta, the IIR’s CaRe (Career in Refrigeration) Working Group organised a workshop on “Women in RACHP”. 

    • Publication date : 2023/02/21
  • Become a partner of the IIR Congress 2023

    Sponsorship opportunities are now available! Don’t miss your chance to support the 26th IIR International Congress of Refrigeration 2023.

    • Publication date : 2022/09/28
    • Subjects: Technology
  • Past events: the IIR Worldwide - Mars 2023

    The Director General of the IIR was at the 2nd International Symposium on "Refrigeration, Energy and the Environment” in Tunisia and the beginning of 2023 was marked by the active participation of the...

    • Publication date : 2023/03/27
  • Newsletter INDEE+ | September 2023

    The latest news on the INDEE+ project.

    • Publication date : 2023/09/22
  • Canada to Host LNG2023 in Vancouver

    Vancouver will be the venue for the 20th International Conference & Exhibition on Liquefied Natural Gas (LNG2023) following the selection of the Canadian Gas...

    • Publication date : 2022/05/25
    • Subjects: Technology, Environment
  • IIR Congress 2023: The programme is now available!

    The exciting 5-day programme of the upcoming IIR Congress 2023 includes 600 scientific papers, 1 plenary address, 14 keynote speakers, 21 workshops and 3 technical tours. 

    • Publication date : 2023/06/29
    • Subjects: General information
  • World Refrigeration Day 2023: Distribute the dedicated flyers!

    Titled “Next Generation Cooling”, the World Refrigeration Day 2023 campaign focused on the future of cooling technology, the industry, the people working within it, and those that benefit from...

    • Publication date : 2023/07/07
    • Subjects: Technology, Environment, General information
  • LNG2023: Call for abstracts extended to October 24!

    A two-week extension has now been confirmed to ensure LNG2023 does not miss hearing from some key industry voices. Don’t miss the new call for abstracts deadline of October 24, 2022!

    • Publication date : 2022/10/11
    • Subjects: Technology, Environment
  • HFO 2023: Call for abstracts extended until September 30!

    The call for abstracts for the 2023 IIR Conference on HFOs, to be hosted by the Chinese Association of Refrigeration (CAR), has been extended to September 30, 2022!  

    • Publication date : 2022/09/08
    • Subjects: HFCs alternatives, Technology, Environment
  • Propose a workshop and be part of ICR 2023

    Do you have an idea for a workshop you would like to organise during the 26th IIR International Congress of Refrigeration 2023? Share it with the international refrigeration community.

    • Publication date : 2023/01/23
    • Subjects: General information
  • IIR Women in Refrigeration Award at ICR 2023

    During the 26th International Congress of Refrigeration in Paris in August 2023, a brand new award will be presented: the IIR Women in Refrigeration Award. It will reward exceptional scientific work...

    • Publication date : 2022/07/08
  • IIR Congress 2023: Which workshop will you attend?

    Did you know that there are 21 specialist workshops scheduled to take place at the 26th IIR International Congress of Refrigeration? Discover them here and book your seat today!

    • Publication date : 2023/07/19
    • Subjects: Technology, Environment, General information
  • 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...

    • Last update : 2023/09/15
    • Langues : French, English
    • Themes : HFCs
  • 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...

    • Last update : 2022/06/22
    • Langues : French, English
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction
  • Thermophysical properties of hydrocarbon refrigerants

    Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : Hydrocarbons, Blends
  • 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...

    • Last update : 2023/06/09
    • Langues : French, English
    • Themes : Freezing of foodstuffs
  • 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.

    • Last update : 2022/11/17
    • Langues : French, English
    • Themes : General information on environment (climate change, ozone depletion…)
  • 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...

    • Last update : 2023/06/30
    • Langues : French, English
    • Themes : Ice creams