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Dry indoor climate – Why and how to prepare for the next cold season?
IIR document
A simplified experimentally tested theoretical model to reduce water consumption of a direct evaporative cooler for dry climates.
Classification of European climates for building energy simulation analyses.
Energy evaluation of a chest-freezer using R516A for different climates in Mexico.
Unified MPC formulation for control of commercial HVAC systems in multiple climate zones.
Theoretical performance analysis of a new hybrid air conditioning system in hot-dry climate.
Enfriamiento de un edificio de oficinas con un intercambiador de calor tierra-aire (EAHX) de gran diámetro: resultados de monitoreo para condiciones de verano calurosas y secas.
Cooling of an office building with a large diameter earth-air heat exchanger (EAHX): monitoring results for hot and dry summer conditions.
Integration of phase change material-based storage in air distribution systems to increase building power flexibility
Des résultats prometteurs pour le rafraîchissement des régions très ensoleillées.
Promising results of desiccant cooling systems in very sunny regions.
Recommended by the IIR / IIR document
Feasibility study of small-scale gas engine integrated with innovative net-zero water desiccant cooling system and single-effect thermal desalination unit.
Fresh air humidification in winter using desiccant wheels for cold and dry climate regions: Optimization study of humidification processes.
Parametric optimization of earth-air heat exchangers (EAHEs) for central air conditioning.
Field-data based model for integrated supermarkets system seasonal performance evaluation.
Do non-metallic material and radiation shields affect the operation of direct evaporative cooling systems?
Quantifying CO2 emissions and energy production from power plants to run HVAC systems in ASHRAE-based buildings.
Refrigeration sector monitoring
294 results
The climate impact of the refrigeration sector in Australia
According to a recent report, the refrigeration sector accounts for 24% of Australia’s electricity consumption and 11.5% of CO2 emissions. This report also identifies the main causes of direct and...
Propane air conditioners: improving leakage safety
The latest research and developments in leakage safety of R290 air conditioners are presented in several articles recently published in the IJR.
Limiting global warming to 1.5°C: the potential contribution of the refrigeration sector
The latest IPCC report stresses the importance to limit the increase in the global average temperature to 1.5°C instead of 2°C in order to lower the adaptation needs. The refrigeration sector can contribute to this objective.
Effects of air conditioner airflow on human sleep.
A recent study published in Energy and Buildings measures the impact of the velocity of an air conditioner airflow on the quality of sleep.
Passive cooling can reduce energy demand by 35 to 70% in the ASEAN residential sector
Among countries of the Association of Southeast Asian Nations (ASEAN), a study showed that integrating passive cooling strategies into building design can reduce cooling energy...
Evaporative cooling without adding humidity
Scientists at the University of Harvard have designed a prototype evaporative cooling system called Cold-SNAP that effectively cools air at low cost for both dry and humid climates.
Refrigeration now at the heart of international discussions
The recent G7 meeting in France and the United Nations Climate Action Summit 2019 in the US illustrate the growing importance of the refrigeration sector in international discussions.
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...
Latest figures on HFC impact on climate change
EU reports that hydrofluorocarbons (HFCs) emissions from refrigeration and air conditioning (RAC) have decreased for the fourth consecutive year since 2014. On a global scale, the impact of HFCs on climate...
Canada invests over CA $500,000 in heat pump training to boost skilled workforce and reduce emissions
In August 2024, Parliamentary Secretary to the Minister of Environment and Climate Change and to the Minister of Energy and Natural Resources, announced over 500,000 Canadian dollars...
Kenya launches National Cooling Action Plan
On 14 June 2023, Kenya’s Ministry of Environment, Climate Change, and Forestry officially launched the National Cooling Action Plan for Kenya (NCAP) which includes a review of the Kenyan...
Refrigerant news: Hillary Clinton announced the Climate and Clean Air Coalition to Reduce Short-Lived Climate Pollutants
US Secretary of State Hillary Clinton announced on February 16, 2012, the Climate and Clean Air Coalition to Reduce Short-Lived Climate Pollutants
Jordan looks to curb HFC emissions
The Jordan Ministry of Environment will start identifying sectors producing short-lived climate pollutants including HFCs.
Live from OEWG Meetings: What is Accra-Helsinki Group?
In a recent conversation with the International Institute of Refrigeration (IIR), Kofi Agyarko introduced the newly formed Accra-Helsinki Group for Sustainable Cooling, an initiative launched under the...
Natural refrigerants power the transition to climate-friendly transport refrigeration
Refrigerated transport is essential to global food and pharmaceutical supply chains – but it’s also a hidden source of greenhouse gas emissions. As climate targets tighten and refrigerants face regulatory...
IIR news
210 results
IIR Quiz: The Impact of the Refrigeration Sector on Climate Change
Think you know everything there is to know about the refrigeration sector and its impact on climate change? Test your knowledge on refrigeration and the environment.
Discover the 35th IIR Informatory Note on “The Impact of the Refrigeration Sector on Climate Change”
The 35th IIR Informatory Note on “The Impact of the Refrigeration Sector on Climate Change” reviews existing data to estimate past greenhouse gas emissions generated by refrigeration systems and make projections for the future.
Press release: The International Institute of Refrigeration Publishes an Informatory Note on The Impact of the Refrigeration Sector on Climate Change
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 Impact of...
International Institute of Refrigeration (IIR) releases new technical brief: “The role of refrigeration in the global economy (3rd edition)”
This comprehensive report highlights the critical importance of refrigeration in addressing global challenges related to food security, healthcare, energy efficiency, and climate change.
World Science Day: IIR reaffirms the role of refrigeration for sustainable development
This 10 November 2025, IIR joins in the celebration of World Science Day, aligning with this year’s theme of “the science we need for 2050” by highlighting the importance of refrigeration for economic...
Interview: Director General of the IIR gives an overview of the trends of the refrigeration sector
In the 2018-2019 international special issue of the Industria & Formazione magazine, Director General of the International Institute of Refrigeration, Didier Coulomb, gives an overview of the impact of the refrigeration sector on climate...
Press release: The IIR Launches Quiz on The Impact of Refrigeration on the Climate Change
In conjunction with the newly released 35th IIR Informatory Note on The Impact of the Refrigeration Sector on Climate Change, the International Institute of Refrigeration (IIR) has launched a quiz on “Refrigeration and the environment”, which...
Launch of the AGRI-COOL website
The IIR is proud to announce the official launch of the AGRI-COOL website, which will provide a central access point for information on this pioneering project to address the challenges of food security, climate...
Best wishes for 2015!
2015 will focus on two major issues: the International Conference on Climate Change taking place in Paris in December 2015 and the overall slowdown of global economic growth. The refrigeration sector will be affected by both events.
Adapting to Rising Temperatures: Highlights and Proceedings from the 1st IIR International Adaptation Conference
The 1st IIR International Conference on Refrigeration: Adapting to Rising Temperatures, held from 10–13 August 2025 at the University of Manchester, brought together over 120...
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...
Second meeting of the IIR Working Party on LCCP Evaluation in Gaithersburg
The second meeting of the IIR Working Party on Life Cycle Climate Performance (LCCP) Evaluation took place at NIST in Gaithersburg, MD, USA.. The minutes of the meeting and other documents can be consulted on the Web page of the working party. The...
New IIR Informatory Note on evaporative cooling
The latest IIR Informatory Note highlights that evaporative cooling is an energy-efficient technology that has many applications in air conditioning but also in short-term food storage.
The 27th IIR Informatory Note on evaporative cooling.
This 27th IIR Informatory Note provides a state of the art of the simple and practical technology that is Evaporative Cooling.
IIR’s contribution and key outcomes at COP29
The International Institute of Refrigeration actively participated in COP29/CMP19/CMA6 held in Baku, Azerbaijan, from 11 November to 22 November 2024, contributing to key discussions and fostering discussions...
Encyclopedia of Refrigeration
4 results
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...
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...
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...
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...
