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The influence of plate-type heat exchanger on energy efficiency and environmental effects of the air-conditioners using R453A as a substitute for R22.
IIR document
R-454C, R-459B, R-457A and R-455A as low-GWP replacements of R-404A: Experimental evaluation and optimization.
Recommended by the IIR / IIR document
Less than 150 GWP options to replace R-452A for transport refrigeration.
Chemical stability investigations of low GWP refrigerants R-454B, R-454C, R-455A, R-468A, and R-466A with lubricant.
Characteristics of R454C and R455A as R404A alternatives in commercial refrigeration.
Evaluation of lower GWP refrigerant R-454A in transport refrigeration.
Condensation of R450A and R454B inside a compact microfin tube.
Experimental investigation on the low-GWP HFC/HFO blends R454A and R454C in a R404A refrigeration system.
Experimental drop-in replacement of R404A for warm countries using the low GWP mixtures R454C and R455A.
Measurements and modelling of R455A and R452B flow boiling heat transfer inside channels.
Compressor performance comparison of R454A and R454C for refrigeration.
Replacement of R404A at high condensation temperature using R454C and R455A.
Energy impact of the Internal Heat Exchanger in a horizontal freezing cabinet. Experimental evaluation with the R404A low-GWP alternatives R454C, R455A, R468A, R290 and R1270.
Evaporation heat transfer of the low GWP alternative refrigerants (R-448A, R-449A, R-455A, R-454C) for R-404A in a microfin tube.
Refrigeration sector monitoring
9 results
Member news: Carrier Transicold to offer R452A in the United States
Carrier Transicold proposes R452A as an alternative to R404A for refrigerated hauliers in the USA.
R452A performance and environmental impact in refrigerated transport
A paper presented at the IIR ICCC conference in China provides a review of R452A properties, system performance and LCCP impact as an alternative refrigerant in refrigerated transport.
Refrigerated transport: R452A as a “drop-in” alternative to R404A
Two major transport refrigeration companies recently announced they will offer R452A as an alternative to R404A in their transport refrigeration units.
The US Environmental Protection Agency (EPA) updates its list of low GWP refrigerants
The US EPA has added new lower GWP refrigerants and expanded the acceptable uses of others in its latest changes to the Significant New Alternatives Policy (SNAP) programme.
Alternatives to replace R404A for refrigerated transport
With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...
IJR highlights: review of low-GWP alternative refrigerants
In a recent review article based on over 60 published studies and published in the International Journal of Refrigeration, Chinese researchers have compared nearly 40 alternative low-GWP refrigerants in terms of...
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.
New R134a alternatives in mobile air conditioning
Two new refrigerant blends are considered as an R134a alternative and "virtually non-flammable".
Evaluating lubricants for lower GWP refrigerant compressor operation.
Summary of an interesting paper from the recent Purdue conference.
IIR news
1 result
IIR member news: Carrier Transicold
Carrier Transicold, major transport refrigeration company, will offer R452A as an optional alternative to R404A.
Encyclopedia of Refrigeration
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...
