IIR Conference series
IIR International Congress of Refrigeration
First held in 1908, the International Congress of Refrigeration of the IIR is a flagship event that converges industry and research.
Covering all fields of refrigeration, the Congress, which takes place every four years, reunites key international stakeholders and provides perspectives on the future of the industry in line with sustainable development.
See the upcoming congress View the congress proceedings
IIR-Gustav Lorentzen Conference on Natural Refrigerants
Held biennially since its inauguration, this IIR Conference series is recognised as a cutting-edge event focusing on natural working fluids as a vector to reducing the CO2 footprint of refrigeration.
See the upcoming conference View the conference proceedings
Download the call for proposal document for the 2028 conference
IIR Conference on Sustainability and the Cold Chain
As the leading event in the sector, the IIR Conference on Sustainability and the Cold Chain addresses the ever-increasing demand for knowledge sharing and environmentally friendly refrigeration technologies in this essential field covering production, food processing, storage, transport, the health sector and retail.
See the upcoming conference View the conference proceeding
Download the 2026 sponsorship file Download the call for proposal document for the 2028 conference
IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
Organised every four years, academics and industrial experts come together to exchange on the areas of cycle analysis, thermophysical property data analysis, heat and mass transfer enhancements, system efficiency, and nanofluids.
See the 2025 conference View the conference proceedings
IIR Conference on Solid-State Cooling, Heating and Energy Harvesting
Commonly known as the Thermag Conference series, the IIR Conference on Caloric Cooling and Applications of Caloric explores the state-of-the-art in new caloric materials and technologies related to magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling.
See the upcoming conference View the conference proceedings
Download the 2026 sponsorship file Download the call for proposal document for the 2028 conference
IIR Conference on Compressors and Refrigerants
The IIR Conference on Compressors and Refrigerants provides the ideal forum to gain insight on the design and modelling of new compressor technologies in conjunction with the expansion of coolants and oils.
See the 2024 conference View the conference proceedings
IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning
Phase-change materials and slurries are becoming an increasingly key component in thermal energy storage technologies. This IIR Conference series brings together researchers and professionals to discuss the latest developments in the field, including nano-emulsions, hydrate slurries, microcapsules, computational modelling, thermal storage and passive cooling.
See the upcoming conference View the conference proceedings
Download the call for proposal document for the 2028 conference
IIR Conference on Cryogenics
Taking place every two years, the IIR Conference on Cryogenics addresses key matters relating to the application of refrigeration technologies using temperatures below 120 K (-153 °C). The main themes include superconductivity, medical applications, separation of gases, and LNG.
See the 2025 conference View the conference proceedings
IIR International Conference on Refrigeration Adapting to Rising Temperatures
As global temperatures continue to rise, the challenges facing the refrigeration, air conditioning and heat pump (RACHP) industry are becoming increasingly complex. It is not too late to take action to mitigate the negative impact of climate change and it is important to realise that steps can be taken to help reduce rising temperatures. This new conference series explores these crucial issues, and allows experts dedicated to developing sustainable and resilient solutions to exchange ideas and foster innovation.
Download the call for proposal document for the 2027 conference
IIR Conference on Heat Pumps and Air Conditioning
The International Conference on Heat Pumps and Air Conditioning (IIR-HPAC 2028) aims to bring together researchers, engineers, policymakers, and industry leaders to discuss the latest advancements, challenges, and sustainable solutions in heat pump and air conditioning technologies. The conference will focus on energy efficiency, environmental impact, refrigerant innovations, different types of heat pumps and applications, and system optimization in line with global climate goals.
Download the call for proposal document for the 2028 conference
Former conference series
IIR Conference on Ammonia and CO2 Refrigeration Technologies
This IIR Conference series focuses on the intensifying global trend towards the use of climate friendly refrigerants, specifically ammonia and carbon dioxide, in various refrigeration applications worldwide.
View the conference proceedings
IIR Conference on the Application of HFO Refrigerants
This IIR Conference series provides a focus on the global experience of the use of lower flammable A2L classification refrigerants, which encompass HFO refrigerants heralded as replacements for high GWP HFCs.