Search results

  • Air conditioning has cut premature deaths on hot days in US by 80% since 1960

    A new study by researchers from Carnegie Mellon University, University of California and the Massachusetts Institute of Technology has concluded that air conditioning played a key role in the reduction of the mortality risk associated with high...

    • Publication date : 2013/06/17
  • Snapshot of air conditioning in the MENA region and Türkiye

    The Cool Up programme monitors the status, developments, insights, and good practice examples regarding sustainable cooling in the MENA region.

    • Publication date : 2023/06/12
    • Subjects: General information
  • Increased air-conditioning demand expected in a hot future

    Climate change could contribute to a more than three-fold increase in heat-related deaths in the UK by the 2050s and increase the demand for air conditioning, a new report claims.

    • Publication date : 2014/02/25
  • Solar cooling for large buildings in South Africa

    A solar cooling solution to reduce energy costs for large buildings by combining high-efficiency chillers with hybrid solar thermal and photovoltaic (PV) technologies has been introduced in South Africa.

    • Publication date : 2013/07/02
  • Meeting the cooling and freshwater needs of arid countries

    In a recent review article, the authors summarised research efforts in meeting cooling and freshwater demands in arid and hot climates, using available solar...

    • Publication date : 2023/03/28
    • Subjects: Technology
  • Solar Air conditioning

    With high summer temperatures, air-conditioning and thermal comfort are increasingly important issues, but raise the challenges of high energy consumption and of environmental consequences. Three recent projects use solar energy to operate...

    • Publication date : 2007/08/05
  • Artificial intelligence techniques for energy-efficient HVAC systems

    The benefits of Artificial Intelligence (AI) for Heating, Ventilation, and Air-Conditioning (HVAC) systems was one of the hot topics of the IIR-co-sponsored International Conference on Emerging Technologies for Sustainable and Intelligent HVACR...

    • Publication date : 2018/09/20
  • R&D

    The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...

    • Publication date : 2011/02/07
  • Chillers: efficiency takes off

    Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...

    • Publication date : 2008/10/25
  • 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. 

    • Publication date : 2021/05/31
    • Subjects: Regulation, Developing country, Environment
  • A solar-plus-ice-battery-storage system at Palm Springs Cultural Center

    Ice Energy and Horizon Solar Power have completed the installation of a solar-plus-ice-battery-storage system at Palm Springs Cultural Center in California.

    • Publication date : 2017/04/18
  • Briefs: Largest climatic laboratory

    The McKinley Climatic Laboratory, located in the US Air Force Eglin Base in Florida, USA, which began testing in 1947, is the largest climate testing facility in the world. The temperature inside the 77 x 61 x 21 m hangar, with a 4700 m² base...

    • Publication date : 2011/02/11
  • Micro-Innovation

    Mechanical engineers at Purdue University have created a miniature device that aims to replace conventional evaporators. Cited as a "long-term solution" in technological advances, the use of existing technical know-how for the refrigeration loop...

    • Publication date : 2005/07/19
  • Award for the first air-conditioned building in the UK

    Opened in 1903, the Royal Victoria Hospital’s air conditioning system is seen as a milestone in the history of environmental engineering, cleaning the air and controlling both temperature and humidity in the hospital for the comfort of staff and...

    • Publication date : 2018/12/27
  • ICR2019: overview of current refrigeration research topics (part III)

    Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

    • Publication date : 2019/10/30
  • HARFKO and KRAIA’s anniversary

    The 7th HARFKO, organized by KRAIA (Korea Refrigeration and Air-conditioning Industry Association) was held in Seoul on May 25-27, 2005 and attracted 160 exhibitors and visitors from 20 countries. Myriam Armengaud and Susan Phalippou ran the IIR's...

    • Publication date : 2005/07/19
  • Partnerships with other international organizations

    - Eric Granryd, President of the General Conference, and Didier Coulomb attended the ASHRAE Winter Meeting in January 2006, and highlighted the role of the IIR and the need for cooperation on environmental issues. They also met with the US...

    • Publication date : 2006/05/05
  • Conference: Auckland

    The IIR Conference Innovative Equipment and Systems for Comfort and Food Preservation took place in Auckland, New Zealand, on February 16-19, 2006. It was co-organized with IRHACE (Institute of Refrigeration, Heating and Air-Conditioning...

    • Publication date : 2006/05/05
  • Conference update: Sydney

    The 9th IIR Gustav Lorentzen Conference Natural Working Fluids will be held in Sydney, Australia, on April 12-14, 2010. The call for papers and first announcement are now available:

    • Publication date : 2009/05/18
  • Conference update: Sydney

    The 9th IIR Gustav Lorentzen Conference on Natural Working Fluids will be held in Sydney, Australia on, April 12-14, 2010. The conference will place a heavy emphasis on natural refrigerant CO2 as a real alternative solution....

    • Publication date : 2009/12/09
  • ICR2007 in Beijing

    The International Institute of Refrigeration (IIR) holds Congresses every 4 years. They have two objectives: - a scientific objective: apart from the numerous IIR and IIR-co-sponsored conferences (about 50 over a 4-year period), which are focused...

    • Publication date : 2007/11/20
  • 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...

    • Publication date : 2008/10/25
  • IIR Conference report: Ohrid

    The 4th IIR Conference on Ammonia Refrigeration Technology took place in Ohrid, Macedonia (FYROM), on April 14-16, 2011. 111 persons from 33 countries attended. Scientific papers were presented, and policy and regulations issues were covered.

    • Publication date : 2011/05/13
  • 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...

    • Last update : 2022/01/20
    • Langues : English
    • Themes : General information on environment (climate change, ozone depletion…)
  • 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
  • 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
  • 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…)
  • Thermophysical properties of HFC refrigerants

    Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : HFCs, Blends, HFO et HCFO
  • Thermophysical properties of HFO refrigerants

    Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : Blends, HFO et HCFO
  • 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
  • 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...

    • Last update : 2022/09/07
    • Langues : French, English
    • Themes : Evaporators, condensers and other heat exchangers
  • 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...

    • Last update : 2023/06/23
    • Langues : French, English
    • Themes : LNG and LPG