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Recommended by the IIR
Evaluación experimental de mezclas alternativas al R-600a en un frigorífico y un congelador doméstico.
Experimental evaluation of alternative mixtures to R-600a in a domestic refrigerator and freezer.
Recommended by the IIR / IIR document
Research on flammability of R290/R134a, R600a/R134a and R600a/R290 refrigerant mixtures.
Theoretical analysis of low GWP mixture R600a/R1234ze as a possible alternative to R600a in domestic refrigerators.
Optimización energética de los refrigerantes R152a, R1234yf, R290, R1270, R600a y R744, como alternativa al R134a en un armario de refrigeración vertical.
Energy optimisation of R152a, R1234yf, R290, R1270, R600a and R744 refrigerants as alternatives to R134a in a vertical refrigeration cabinet.
Improved energy efficiency for domestic refrigerator/freezer using hydrocarbon mixtures (R290/R600a, R290/R600 and R600a/R600).
Performance evaluation of a domestic freezer with R600a and zeotropic mixtures of R600a/R290.
IIR document
Phase behavior of R1234yf and R600a in pentaerythritol tetranonanoate.
Experimental investigation on two-phase frictional pressure drop of R600a and R600a/3GS oil mixture in a smooth horizontal tube.
Experimental investigation of the refrigerant flow of isobutane (R600a) through adiabatic capillary tubes.
A new diabatic two phase flow pattern transition model of R600a.
Experimental results with a variable geometry ejector using R600a as working fluid.
Vapor–liquid separation of mixtures R134a/R600a at horizontal branch T-junctions.
Caloric properties of R600a solutions in compressor oil containing fullerenes C60
Numerical simulation on constituents separation of R134a/R600a in a horizontal T-junction.
Development of energy-efficient refrigeration oil for refrigerator using R600a.
Refrigeration sector monitoring
25 results
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).
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.
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)
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.
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.
R1234yf as a working fluid in Organic Rankine Cycle systems
A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...
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...
Review of CFC and HFC-free refrigerators worldwide
At the beginning of December 2004, Brazil's first CFC and HFC-free refrigerator rolled off the BSH Bosh und Siemens Hausegerate GmbH production line. Following implementation for several years in Europe , then in Australia , China , India and...
For IIR members only
A new non-flammable mixture to boost the performance of CO2 systems
In a recent IJR article, researchers propose combining R744 with Dimethyl-ether (DME) to boost system performance while ensuring safety and low environmental impact, in a recent IJR...
Solar ejector refrigeration systems: benefits and latest developments
Two IJR articles present the latest advancements in this technology and in particular the advantages of variable geometry ejectors and low-GWP refrigerants in terms of performance.
Assessment of the environmental impact of domestic refrigerators using LCCP
The environmental impact of domestic refrigerators over their lifetime has been quantified in different configurations (operating cycles, materials, insulation) in a recent IJR article.
Initiatives to promote refrigeration technologies in the developing world
Focus on some initiatives to facilitate access to eco-friendly refrigeration technologies in hot countries.
Natural refrigerants: the Indian perspective
In 2015 HCFCs and HFCs account for 90 percent of the total sales in the refrigeration and air-conditioning (RAC) sector in India, with about 10 percent accounted for by natural refrigerants.
US: EPA approves 3 hydrocarbon refrigerants for household and commercial uses
The US Environmental Protection Agency (EPA) has added 3 hydrocarbons as acceptable alternatives in household refrigerators and freezers, combination refrigerator-freezers, and commercial stand-alone units through EPA’s Significant New...
China: a direct leap from HCFCs to natural refrigerants?
Released for public consultation in June 2015 by China’s Ministry of Environmental Protection, the First Catalogue of Recommended Substitutes for HCFCs lists 12 substitutes for HCFC refrigerants, foaming agents and detergents, ten of which are...
IIR news
1 result
IIR member news: Embraco
Embraco, IIR Corporate Member, announced the launch of a new oil-less linear compressor design for domestic refrigeration.
Encyclopedia of Refrigeration
4 results
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...
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...
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
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...
