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Principi di base del condizionamento dell'aria. scegliere tra diversi tipi di sistemi di climatizzazione. 176a lezione.
HVAC in corrosive environment.
Monitoring, evaluation and controlling material in HVAC projects.
Refrigerants and the air conditioning industry’s obligation.
Refrigeration, air conditioning and heat pumps. Fifth edition.
Experiencia en optimización energética de plantas de refrigeración y aire acondicionado a través de mediciones de campo.
Experience from energy optimisation in refrigeration and air-conditioning plants through field measurements.
Analysis on hydrophobic membrane-based air pre-dehumidification and capillary radiation air conditioning system.
The life and legacy of William Rankine.
Operation and maintenance of evaporative coolers.
Principi di base del condizionamento dell'aria. Il circuito idraulico a complemento del chiller negli impianti di raffrescamento a fluido secondario. 179a lezione.
Basic principles of air conditioning. The hydraulic circuit to complement the chiller in secondary fluid cooling systems. Lesson 179.
Low-GWP refrigerants for high ambient temperature climates. Design analysis and risk assessment.
IIR document
HFO-1234yf, a refrigerant of choice in mobile air conditioning.
Design considerations in cold climates.
Replacements for R410A with GWPs less than 300.
Desviación de la temperatura de retorno de agua en instalaciones HVAC de edificios o de distrito (DH&C): su impacto en el consumo y como evitarla.
Variation of return water temperature in building or district HVAC installations: its impact on energy use and how to avoid it.
Refrigeration sector monitoring
76 results
History of the expansion of air conditioning in the United States
An article published in the Guardian goes through the history of air conditioning development in the United States.
AREA's "Vision&Strategy 2020" manifesto.
In its new document, Air Conditioning and Refrigeration European Association (AREA) has identified 6 key priorities.
Direct CO2 emissions generated by the refrigeration sector in Chile
As part of its national inventory submitted to the UNFCCC, Chile reported greenhouse gas emission values for the refrigeration and air conditioning sector.
India tests expose AC inefficiencies at higher temperatures
In India, air conditioners are responsible for peak energy consumption in urban districts.
Impact of climate change on energy demand across New York City
In a recent study, a team of researchers established a projection of the building cooling electric demand at the end of the century, at the scale of New York City.
India Cooling Action Plan
The Environment Ministry India Cooling Action Plan provides measures to address the expected 8-fold increase of the cooling demand until 2037-2038.
An infographic shows what would happen if all technologies suddenly vanished
The Refrigeration School recently published The Refrigeration Apocalypse, an infographic showing the consequences of a failure of all cooling systems after different periods of time.
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...
The impact of humidity on global demand for cooling energy
Recent studies have highlighted the countries most affected by the need to adapt to rising temperatures. Assessing the impact of humidity on perceived temperatures also stresses out...
Assisting developing countries in setting national plans for sustainable cooling
With over a billion people at risk due to a lack of access to cooling, a UNEP-led working group has published a methodology to help countries develop National Cooling Action Plans (NCAPs).
Vapour-compression alternatives to serve future HVAC applications
A March 2014 report* prepared for the US Department of Energy by Navigant Consulting identifies and evaluates 17 technologies which could potentially replace traditional vapour-compression technology in residential and commercial HVAC applications
Energy efficiency of HVAC equipment suffers due to poor installation
According to a NIST research report, the benefits of improved energy efficiency ratings can go for naught if the refrigerating equipment is not installed properly.
The need for air conditioning is increasing in the EU
Recent Eurostat figures show an increase in the number of cooling degree days in the EU-27 Member States. This indicates an increase in the need for air conditioning over the last decades.
WMO and WHO release new guidelines to protect workers from heat stress
The World Health Organization and the World Meteorological Organization have published a joint report and guidance highlighting the growing global health challenges posed by extreme heat on workers.
Cooling for health: rising temperatures disrupt sleep, health and productivity
According to the 2025 Global Report of the Lancet Countdown and other related research, without adaption, rising temperatures represent a global public health crisis that could result in 546,000 deaths annually...
IIR news
16 results
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 to Launch the Global Refrigeration Outlook at ICR 2027 in Seoul
The International Institute of Refrigeration announces its first-ever comprehensive global report on refrigeration, a landmark science-based publication designed to guide industry, policy, and society toward a sustainable cooling...
IIR Advances global dialogue on dehumidification and alternative cooling technologies at OEWG48 in Bangkok
At OEWG48 in Bangkok, the IIR launched a new technical publication on dehumidification and contributed to two further side events on alternative cooling technologies and servicing-sectorreadiness.
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.
Purdue conferences
The Purdue Conferences, co-sponsored by the IIR, took place on July 9-12, 2018. As successful as the previous editions, they gathered 800 attendees.
Clim'Eco: the IIR is a partner of this new program, which began this year in Réunion.
This program aims to promote a reasonable use and good maintenance of air conditioning in the French overseas departments.
26th IIR International Congress of Refrigeration - Call for abstract
Abstract submission for the 26th International Congress of Refrigeration is extended. ICR 2023 is scheduled from 21st to 25th August 2023 in Paris.
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.
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.
CLIM’ECO in Guadeloupe
Focus on the CLIM’ECO workshop that took place in Guadeloupe in January 2022.
Obituary: Raymond Cohen
Raymond Cohen, who was Herrick Laboratories Professor Emeritus and a long-time contributor to IIR activities, passed away at the age of 96.
IIR Informatory Note highlights global air conditioning's CO2 emissions and energy impact
The IIR has modelled current and future CO2 emissions attributable to air conditioning in different regions of the world.
IIR advocates for sustainable air conditioning solutions at HBRC event in Cairo
IIR played a prominent role in the HBRC International Conference held in Cairo from 14 to 17 December 2024. Its representatives led discussions on sustainable air conditioning, emphasising its technical and...
The CLIM’ECO programme kicks off
Supported by the French government and as part of the energy saving certificates scheme, the CLIM'ECO programme aims to reduce and optimise the energy consumption of air conditioning in the French Overseas Departments.
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...
