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Feasibility study of various conventional and unconventional natural refrigerants for high temperature heat pump applications.

• Author(s) : YOUNG J., SUBIANTORO A.
• Publication date: 2020/12/07
• Languages : English
• Keywords : Natural refrigerant, CO2, R744, Water, R718, Heat pump, High temperature, Domestic heat pump, Industrial application, Performance, COP, Ethanol, Methylamine, Ammonia, R630, R717, Hydrocarbon, Modelling, Simulation
• Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
• Formats : PDF

A study assesses alternative mixtures to two pure hydrocarbon refrigerants

An article reviews more than 11,000 mixtures of refrigerants that could be interesting alternatives to pure R290 and R600a.

• Publication date : 2020/02/05

Colombia: financial aid to renew the stock of domestic refrigerators

In Colombia, 17,553 people have benefited since January 2019 from a programme to replace old domestic refrigerators with new units using isobutane (R600a). 

• Publication date : 2023/09/22
• Subjects: HFCs alternatives

US EPA proposes acceptance of hydrocarbons and R32 in 6 applications

The US EPA has proposed a range of acceptable uses for hydrocarbon refrigerants – R600a, R290, R170 and R441A along with R32 under the EPA’s Significant New Alternatives Policy (SNAP)

• Publication date : 2014/09/08
• Subjects: Regulation

US: EPA expands the use of 4 hydrocarbons and R32

The US Environmental Protection Agency (EPA) recently authorised the use of four hydrocarbon refrigerants and R32 in various applications.

• Publication date : 2015/06/19

Update on the global regulation on refrigerants

Global regulations on fluorinated gases are evolving, with new ratifications of the Kigali Amendment (including China), the updating of the GWP of certain refrigerants by the IPCC, and five European countries...

• Publication date : 2021/09/07
• Subjects: Regulation, HFCs alternatives

IIR member news: Embraco's Position Paper on refrigerants used in light commercial refrigeration

Compressor manufacturer Embraco publishes a "Position Paper" to assess the transitory solutions towards low GWP refrigerants.

• Publication date : 2017/04/26
• Subjects: HFCs alternatives

Summary of two papers of the 9th International Conference on Compressors and Coolants (ICCC2017)

The IIR 9th International Conference on Compressors and Coolants (ICCC2017), which took place in Bratislava, Slovakia, in September 2017, addressed advances in compressors but also refrigerating technologies and alternative refrigerants, as...

• Publication date : 2018/01/10

CO2, one of the options for reducing the carbon footprint of refrigerated transport

Comparison of CO2 emissions from refrigerated transport units using R744 and HFC-134a and overview of solutions that could reduce the carbon footprint of this sector. 

• Publication date : 2024/03/28
• Subjects: Environment

One-third of all food produced is lost or wasted along the food chain

A 2017 FAO report stresses that about 670 million tons of food is lost or wasted in high-income countries, and 630 million tons in low- and middle-income countries.

• Publication date : 2017/06/16

ASHRAE publishes the Energy Standard 90.4 for Data Centers

Data centers consume significant amounts of electricity. ASHRAE publishes a standard to help builders focus on energy efficiency.

• Publication date : 2017/02/09

More refrigerated trucks on the road in China

It is estimated that USD 31.7 billion will be invested in setting up cold chain logistic in China in the near future

• Publication date : 2013/02/11
• Subjects: Figures, economy

The German market for ventilation, air conditioning, refrigeration and heat pump technology

In 2012, 6,800 water coolers, 110,000 split systems and 37,400 air-to-water heat pumps were sold in Germany.

• Publication date : 2015/04/15
• Subjects: Figures, economy

F-Gas regulation : European Council and Parliament reach provisional agreement

After several months of discussion, the two European bodies have reached a provisional agreement aimed at further reducing fluorinated gas emissions, in line with the EU's climate objectives.

• Publication date : 2023/10/16
• Subjects: Regulation

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. 

• Publication date : 2023/12/18
• Subjects: Figures, economy, HFCs alternatives

Statement given by Didier Coulomb, Director General of the IIR, during COP 26

Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 26th Conference of the United Nations Framework Convention on Climate Change (COP 26) in...

• Publication date : 2021/11/15
• Subjects: Environment

Now available: IIR Congress papers 2019

Download your copy of the ICR 2019 proceedings. Over 630 technical papers are available!

• Publication date : 2020/05/05

Conference update: West Lafayette

12th International Refrigeration and Air Conditioning Conference at Purdue and the 19th International Compressor Engineering Conference at Purdue will be held on July 14-17, 2008 in West Lafayette, USA. Deadlines: abstracts - December 17, 2007;...

• Publication date : 2007/11/20

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...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Thermophysical properties of hydrocarbon refrigerants

Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

• Last update : 2022/06/17
• Langues : English
• Themes : Hydrocarbons, Blends

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

Global warming potential (GWP) of HFC refrigerants

Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

• Last update : 2023/09/15
• Langues : French, English
• Themes : HFCs

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...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)