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IIR document
Can air curtains be used to build a non-uniform indoor environment and save energy?
Swimming pools air-conditioning systems calculation methods.
[In Ukrainian. / En ukrainien.]
Current developments and challenges of underground mine ventilation and cooling methods.
Recommended by the IIR
Freshwater production and solar disinfection of water released from the air-conditioning cooling system: an experimental investigation.
El reto de mantener un ecosistema polar en Madrid.
The challenge of maintaining a polar ecosystem in the zoo of Madrid.
Building envelope cooling load study for an indoor snow field with ETFE-roof.
[In Chinese. / En chinois.]
Thermal performance of a rotary booster driven free-cooling unit for data center.
Parametric study by means of 3D CFD to improve the airflow pattern and temperature distribution in data center rooms.
Potentiometric and economic analysis of using air and water-side economizers for data center cooling based on various weather conditions.
Influence of a Cooling System on Power MOSFETs’ Thermal Parameters.
Hybrid model based refrigerant charge fault estimation for the data centre air conditioning system.
Experimental and numerical analysis of environmental control systems for resilient extra-terrestrial habitats.
Investigation of two-phase injected compression with economization for high temperature application.
Development of prediction model of leaf vegetable product coupled photosynthetic rate and growth curve of leaf area under air-conditioning environment in plant factory.
Dynamic simulation modeling and control of a desiccant assisted direct-expansion multi-functional air handling unit.
Refrigeration sector monitoring
36 results
World Energy Outlook 2025: electricity demand at the heart of global economy, driven by cooling
In the 2025 edition of its flagship report, the IEA predicts a 40% increase in peak electricity demand driven mainly by increased demand for cooling. Due to AI, electricity demand for data centres is expected to...
Germany: Blue Angel ecolabel now includes heat pumps and liquid coolers
The 2023 edition of the German “Blue Angel” ecolabel now includes domestic heat pumps and “liquid coolers”.
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...
The first air-conditioned stadium in Qatar
Qatar recently completed the installation of air conditioning in the Khalifa International Stadium, in preparation for FIFA World Cup 2022.
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.
Individual air conditioning for aircraft seats
Fraunhofer partner Gentherm has developed an air-conditioned seat for business-class.
Germany: air-cycle air conditioning systems for high-speed trains
Liebherr provided cold air systems based on an environmentally friendly technology.
Air conditioner wastewater purified for human consumption
In Ecuador, Panasonic developed ACH20, a filtering system that purifies air conditioner wastewater and makes it fit for human consumption.
Keeping dairy cows cool
In the University of California, Davis, new technologies are currently tested to cool dairy cows.
Efficient cooling methods to reduce heat stress in pigs
Microclimate parameters such as air temperature and humidity are important indicators of animal welfare. Besides, heat stress is more detrimental to productivity in the swine...
US: innovative technologies to reduce air conditioning costs
Two articles present innovative windows to reduce air conditioning costs.
Are hydrocarbons in room air conditioners risky?
A team from GIZ Proklima used quantitative risk assessment tools to estimate the severity and frequency of ignition HC-600a (iso-butane) and HC-290 split air conditioners and domestic refrigerators.
Summaries from two papers of the IIR co-sponsored International Conference on Compressors
Reduction of refrigeration compressors noise was an important topic addressed during the IIR-co-sponsored International Conference on Compressors (ICCR) in Xi’an, China.
Energy efficiency comparison of air-conditioning systems in electric vehicles
A study compares the energy efficiency of conventional refrigeration systems with that of heat pumps in mobile air conditioning. R744, R134a and R1234yf are considered. Reversible heat pumps are found the most energy-efficient systems.
The global refrigeration compressor market
Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...
IIR news
29 results
Spotlight on Commission B2: at the forefront of refrigerating equipment
Coordinated by the IIR Science and Technology Council, Commission B2 focuses on promoting knowledge of refrigerating equipment technologies and their applications worldwide.
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’s historical commitment to heat pump excellence and sustainable solutions
IIR is committed to supporting, informing and connecting scientists, policymakers, manufacturers and end-users of heat pump technologies through reference publications and dedicated...
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...
IIR member news: A new BSRIA study on the global compressor market
A recent study by BSRIA shows that sales of refrigeration compressors in 2022 are expected to reach 502 million units with a value of USD 48.6 billion, up 15% year-on-year.
Training and courses: Accessible opportunities online
The IIR has taken care to provide you with an exclusive selection of digital training and course material on the main themes of HVACR, including a section dedicated to certification courses from reputable international organisations and companies...
IIR Working Group publishes Guidelines for Life Cycle Climate Performance
The Guidelines for Life Cycle Climate Performance (LCCP) provide a harmonised method to calculate the LCCP for all types of stationary air conditioning, heat pumping and refrigeration systems.
IJR Editorial: The IIR on the board of the international network of women in cooling
Women are significantly and visibly under-represented in the refrigeration industry. A preliminary evaluation has demonstrated that around 6% of women are members of national refrigeration and air-conditioning...
FRIDOC now features a selection of MDPI articles on refrigeration
About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.
March 2023: An active communication and awareness campaign for INDEE+
March 2023 was marked by a series of communication events for INDEE+, gathering all project partners and key Indian HVAC&R stakeholders in India.
What’s on the IIR’s 2024 conference calendar?
The IIR calendar for 2024 features a promising choice of events covering cutting-edge refrigeration themes such as the cold chain, natural refrigerants, compressor technologies and much more!
ICR2015: A stimulating environment for dynamic exchanges
With a focus on improving standards and the quality of life of many worldwide, as well as emphasising the importance of preserving the earth through the advancement of refrigeration applications and technology, ICR2015 is expected to attract a...
See what's in our events calendar for 2015 !
The IIR’s calendar in 2015 shows a promising choice of events covering cutting-edge refrigeration themes from refrigerants to energy issues; from cold chain sustainability to new refrigeration technologies.
IIR Informatory Notes on refrigerants designed to meet the needs of decision-makers
"We felt it was important to draft a collection of Notes on the most appropriate actions to take in this field, designed to meet the needs of decision-makers in order to be better prepared for the upcoming deadlines."
Past events: The IIR around the world, August and September 2024
A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).
Encyclopedia of Refrigeration
4 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...
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...
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...
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...
