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IIR document
A refrigerant charge prediction method based on pump down operation validated using residential and commercial heat pump systems.
Current scientific progress in solar-assisted vapor compression heat pump technology: Advanced design and configuration, refrigerant, performance, economic and environmental assessments.
Development of a high temperature heat pump for heat recovery in dyeing industry.
Generating hot water for food processing plant using waste heat, high temperature heat pump and storage.
Experimental investigation of the performance of a hydrocarbon heat pump for high temperature industrial heating.
Decarbonization of industrial processes with heat pumps.
Performance of high temperature heat pump for simultaneous and efficient production of ice water and process heat.
Large-scale mechanical vapor recompression drying process in superheated steam.
High temperature heat pumps for drying – first results of operation in industrial environment.
Analysis of a steam generating high temperature heat pump for industrial waste heat recovery.
Design and Experimental Results of a Two-Stage Steam Producing Industrial Heat Pump.
Research and development for 200°C compressed water heat pump using exhaust heat with low GWP refrigerant for industrial use.
Novel Cascade Solution of Ultra-temperature Industrial Heat Pump System With Multiple Functions.
Theoretical investigations on using high-temperature heat pumps in combination with district heating networks.
Recommended by the IIR / IIR document
Mechanical Vapour Recompression (MVR): a review of applications and a comparison with Thermal Vapour Recompression (TVR).
Refrigeration sector monitoring
12 results
China heat pump market in 2023
Although the country still relies heavily on coal for heating, China is currently the only major market where heat pumps sales grew in 2023, when global sales declined by 3%...
Heat pumps a promising way to extend electric vehicles' range
Two articles recently published in the International Journal of Refrigeration highlight heat pumps – especially with integrated desiccant – as a promising way to extend the range of electric vehicles.
High temperature heat pumps to increase energy efficiency of industrial processes
Summary of an article published in the International Journal of Refrigeration.
Road to COP28. Extending the temperature range and application for heat pumps
To promote decarbonation, “high temperature heat pumps should be designed using waste heat and renewables as a driving energy, and environmentally friendly working fluids”, according...
GL2012 highlights: compact CO2 air-heating heat pump for industrial drying
Researchers in Japan studied and developed a small capacity CO2 heat pump for industrial drying that is hoped will reduce power consumption to about one third.
Assessing the market potential of industrial heat pumps in Europe
To address the lack of product development of high temperature heat pumps, a recent article provides manufacturers with an estimate of the industrial heat pump market potential in...
24 European countries offer financial support for industrial heat pumps
According to an EHPA report, nearly all European countries offer financial subsidies or support for companies to invest in industrial heat pumps.
Germany: Cologne invests €280 million in district energy revolution with Rhine River heat pump
Cologne will decarbonise its district heating system with a 150 MW heat pump installed on the Rhine.
Geothermy to heat and cool metro in Nagpur, India.
The Maharashtra Metro Rail Company Limited (Maha-metro) has decided to use geothermal AC system to reduce operating costs by 10 to 15 %.
An award-winning industrial dairy using an integrated heat pump system
A recent case study examined the energy consumption and system performance of an innovative integrated heat pump system of a dairy located in Norway. This dairy was among the winning projects of the 2019 “Heat...
A strong global compressor market
The almost 12% growth in the refrigeration compressor market over the 2020-2023 period reflects the vitality of the refrigeration sector. Centrifugal compressors and semi-hermetic reciprocating compressors...
IIR Position Paper in IJR: Frozen food at −18°C or −15°C? A critical review of subzero storage, quality, and regulation
IIR expert Alain Le-Bail et al. have recently published an article reviewing the current regulations on selected subzero temperature storages and examining the impact of shifting the frozen storage temperature...
IIR news
6 results
New IIR Informatory Note on high-temperature heat pumps
IRR’s latest Informatory Note demonstrates that high-temperature heat pumps are a key technology in the decarbonisation of process industries.
IIR WRD 2025 Press Release : Countries urged to establish national refrigeration committees to tackle food, health, animals and climate challenges
Drawing on the outcomes of the WRD 2025 high-level event held on 18 June, the IIR calls for coordinated national action towards sustainable, equitable refrigeration.
Statement given by Didier Coulomb, Director General of the IIR, during COP 27
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 27th Conference of the United Nations Framework Convention on Climate Change (COP 27) in Charm...
Another successful IIR Gustav Lorentzen conference 2016
Dedicated to natural refrigerants, mainly ammonia, carbon dioxide and hydrocarbons, Gustav Lorentzen 2016 was a great success attracting over 270 people and more than 145 papers from leading international researchers and industrialists.
New IIR Informatory Note on The Role of Refrigeration in the Global Economy
In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...
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.
Encyclopedia of Refrigeration
1 result
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...
