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IIR document
Failure analysis of condensing units for refrigerators with refrigerant R134a, R404A.
Design and installation of a R-454C condensing unit, a case study.
Recommended by the IIR / IIR document
Outdoor condensing units Handling the low-GWP refrigerants including R448A and R449A
Oil sensible semi-empirical two-stage rotary CO2 compressor model: calibration using experimental data and reconciliation algorithms
A digital twin for fault detection in commercial refrigeration systems: application to refrigerant leakage detection.
Performance measurements of a two stage CO2 refrigerator and SEPR comparison with low-GWP alternative.
Evaluation of the impact of installation environment for a condensing unit of a split-type air conditioner in a plant room of Korean apartment dwellings.
Fuzzy logic in a refrigerating laboratory.
Experimental characterization of a condensing units’ performance under a controlled refrigerant leakage.
Test of condensing units’ performance and operating limits using different refrigerants.
Performance assessment of a two-stage CO2 small scale MT refrigerator.
Test of condensing units performance and operating limits using different refrigerants.
Development of commercial condensing unit employing CO2 as natural refrigerant.
Preliminary experimental investigation on a transcritical R744 condensing unit using the novel PWM ejector.
Steady-state modeling of condensing units with an economizer loop.
Refrigeration sector monitoring
20 results
The environmental benefits of evaporative cooling
An Eurovent study shows that evaporative cooling could help save up to 56,000 tons of CO2 emissions per year in the future in the European Union. Evaporative cooling is present in half of the projects presented by the eight Global Cooling Prize...
Energy savings in a milk plant through permanent magnet speed motors (en français)
A Belgian milk plant reduces by 18 to 21% the necessary energy for cooling through permanent magnet speed motors. (en français)
Penetration of transcritical CO2 continues to increase
In Europe, North America and Japan, the number of transcritical CO2 installations continues to increase significantly in commercial and industrial refrigeration.
How to reuse the condensate water from air conditioners?
Review of the different uses of the condensate water rejected by air conditioners.
US to ban high-GWP refrigerants
A rule proposal by the US Environmental Protection Agency (EPA) provides that all high-GWP HFCs, including R134a, R404A and R410A, will be banned in most new refrigeration equipment...
Natural refrigerants drove the global commercial refrigeration market in 2023
According to JARN, natural refrigerants in commercial equipment are gaining popularity, namely driving the demand for equipment renewal in Europe.
Cryogenic carbon capture technologies
Cryogenic carbon capture is in the early stages of development, however, several projects have achieved a Technology Readiness Level (TRL) of 6, for applications such as blue...
Heat pump sales grew dramatically in Europe in 2021
According to the 2022 market report by the European Heat Pump Association (EHPA), heat pump sales grew by +34% in 2021, compared to a +7.4% growth in 2020.
Heat pump sales grew in Europe in 2020
According to the latest market report by European Heat Pump Association (EHPA), heat pump sales grew by +7.4% in 2020, offering benefits both in terms of greenhouse gas emission...
The expansion of refrigeration applications of Thermal Energy Storage and PCMs
Based on a selection of papers from two recent IIR conferences, overview of thermal energy storage and PCM applications in the fields of refrigerated transport, display cabinets, fishing vessels, food processing...
The Canadian HVAC Market.
According to the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI), residential air conditioning shipments increased by 3% between the 2nd quarter 2012 and the 2nd quarter 2013.
Member news: Star Refrigeration continues to develop Azanefreezer’s production for cold stores
Azanefreezer, an ammonia system, has just been installed in a cold store near Peterborough, UK.
World commercial refrigeration equipment market
The commercial refrigeration equipment market amounted to USD 43.3 billion in 2019, up 4.8% versus 2017. Of this total, the refrigerated display cabinet market represented USD 21.5 billion.
US HFC phase-down: alternative refrigerants for commercial refrigeration
2022 marks the start of new HFC regulatory requirements in the US. An online tool is available that presents alternative refrigerants for commercial refrigeration.
Frost mitigation methods for heat pumps and refrigeration systems
Frost growth is an important issue since defrosting can represent up to 30% of the total energy consumption of refrigerated display cabinets. Review of the various frost mitigation technologies and latest...
IIR news
4 results
INDEE+ Project: Norwegian R744 condensing units arrived in India for educational purposes
Three R744 condensing units were sent to India by Prof. Armin Hafner (NTNU, Norway) to educate Indian institutions, end-users and vendors on clean cooling technologies, with the aim of helping India meet...
JSRAE visit to Paris: A new chapter in refrigeration collaboration
From 20 to 27 June 2024, the Japanese Society of Refrigeration and Air Conditioning Engineers (JSRAE) visited Paris to meet with the French Association of Refrigeration (AFF). A delegation from JSRAE included representatives from Tokyo...
Obituary: Einar Brendeng
The IIR presents its deepest sympathy and sincerest condolences to Professor Einar Brendeng’s family, the Norwegian refrigeration industry and society.
New IIR Informatory Note: Advancements in Supermarket Refrigeration
Download your copy of the latest IIR Informatory Note on “Advancements in Supermarket Refrigeration”
