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IIR document

An improved approach to model compressors, condenser/gas cooler and their control system in refrigeration systems with R404A and R744 based on physical principles.

• Author(s) : SACASAS D., VEGA J., CUEVAS C., BORRAJO R.
• Publication date: 2023/09
• Languages :
• Keywords : Supermarket, R744, R404A, Booster, Compressor, Condenser, Gas cooler, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 153
• Formats : PDF

Gro?e Auswahl, wenig Alternativen? Ersatzkältemittel für R404A-Kältesysteme in Supermärkten.

Many choices, few alternatives? Alternative refrigerants for R404A systems in supermarkets.

• Author(s) : STAHL M.
• Publication date: 2016/03
• Languages : German
• Keywords : Regulations, R134a, R744, R407e, R407a, R404A, Supermarket, Substitute, GWP, Refrigerant, CO2
• Source: CCI Zeitung - vol. 50 - n. 3
• Formats : PDF

IIR document

R-407H as drop-in of R-404A. Experimental analysis in a low temperature direct expansion commercial refrigeration system.

• Author(s) : LLOPIS R., SÁNCHEZ D., CABELLO R., et al.
• Publication date: 2017/08
• Languages : English
• Keywords : Commercial application, Low GWP, Drop-in, R407h, R404A, Supermarket, HFC, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 80
• Formats : PDF

Laboratory evaluation of R407H for commercial refrigeration.

• Author(s) : RYDKIN I., OHKUBO S., ARIMOTO H., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Comparison, Commercial application, R407h, R404A, Substitute, Performance, Mixture, HFC
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

The evaluation of low GWP non-flammable refrigerant R407H for refrigeration as R404A alternative.

• Author(s) : OHKUBO S., ARIMOTO H., KOMATSU Y.
• Publication date: 2018/04/06
• Languages : English
• Keywords : Low GWP, R407h, Supermarket, Substitute, Simulation, Refrigerant
• Source: 5^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
• Formats : PDF

Mezclas HFC/HFO para sustituir al R404A en refrigeración comercial.

HFC/HFO mixtures to substitute R404a in commercial refrigeration.

• Author(s) : MOTA BABILONI A., BARRAGÁN-CERVERA A., NAVARRO-ESBRÍ J., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Refrigerating system, Commercial application, R404A, Mixture, GWP, Energy efficiency, Refrigerant
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

Análisis teórico de sustitutos de bajo PCA en R404A para islas de refrigeración.

Theoretical analysis of R404A substitutes with low GWP for cooling islands.

• Author(s) : NAVARRO-ESBRÍ J., MOTA BABILONI A., HARO ORTUNO J., et al.
• Publication date: 2018/06/19
• Languages : Spanish
• Keywords : R454C, Low GWP, , , R404A, Supermarket, Substitute, Simulation, HFO, HFC, COP, Refrigerant
• Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
• Formats : PDF

Análisis de R-452A como alternativa al R-404A en sistemas de compresión de vapor.

Analysis of R-452A as an alternative to R-404A in vapour compression systems.

• Author(s) : MOTA BABILONI A., NAVARRO-ESBRÍ J., BARRAGÁN-CERVERA A., GOMEZ MACIAN C., MOLES RIBERA F., MATEU-ROYO C.
• Publication date: 2020/11/11
• Languages : Spanish
• Keywords : Refrigerant, Compression system, Expérimentation, R404A, R452A, Substitute, COP
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

Recommended by the IIR

Análisis teórico y experimental de la sustitución del R-404A con la mezcla R-454A.

Theoretical and experimental analysis of the substitution of R-404A with the R-454A mixture.

• Author(s) : MOTA BABILONI A., NAVARRO-ESBRÍ J., BARRAGÁN-CERVERA A., MARTINEZ MICO A. T., MATEU-ROYO C.
• Publication date: 2020/11/11
• Languages : Spanish
• Keywords : HFC, Substitute, HFO, R404A, R454A, Mixture, GWP, Expérimentation, COP
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

Evaluación energética del refrigerante R468A como alternativa al R404A en aplicaciones comerciales de baja temperatura.

Energy evaluation of R468A refrigerant as an alternative to R404A in low temperature commercial applications.

• Author(s) : CABELLO LÓPEZ R., GARCIA-VACAS D. S., NEBOT-ANDRÉS L., CALLEJA-ANTA D., LLOPIS DOMÉNECH R.
• Publication date: 2020/11/11
• Languages : Spanish
• Keywords : Commercial application, R468A, Supermarket, Refrigerant, Substitute, R404A, Freezing, Zeotropic mixture, Drop-in, COP, Expérimentation
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

Sustitución del R404A en un sistema de refrigeración de media y baja temperatura mediante ciclos de compresión paralela con el R-449A. 

Substitution of R404A in a medium and low temperature refrigeration system using parallel compression cycles with R-449A.

• Author(s) : MOTA BABILONI A., GIMÉNEZ-PRADES P., FERNANDEZ MORENO A., NAVARRO-ESBRÍ J.
• Publication date: 2022/04
• Languages : Spanish
• Keywords : R449A, R404A, Substitute, Refrigerating system, Low temperature, Modelling, Energy efficiency
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

Simulación del efecto de la carga de refrigerante en una bomba de calor líquido-agua con R407C.

Simulation of the effect of refrigerant charge on an R407C liquid-water heat pump.

• Author(s) : ORTEGA I., SIERES J., CERDEIRA F., ALVAREZ E.
• Publication date: 2020/11/11
• Languages : Spanish
• Keywords : Heat pump, Refrigerant charge, R407C, HFC, Mixture, Tank, Scroll compressor, Plate exchanger, Thermostatic expansion valve, Modelling
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

IIR document

Replacement of R-404A refrigerant in supermarkets.

• Author(s) : CALMELS O., MICHINEAU T., SUQUET T.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Energy consumption, Display cabinet, Drop-in, R442a, R404A, Supermarket, Substitute, Mixture, Testing, Retrofitting
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Characteristics of R454C and R455A as R404A alternatives in commercial refrigeration.

• Author(s) : MAKHNATCH P., MOTA BABILONI A., KHODABANDEH R., et al.
• Publication date: 2018/04/06
• Languages : English
• Keywords : R454C, R455A, R404A, Supermarket, Substitute, Performance, Flammability, Refrigerant
• Source: 5^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
• Formats : PDF

IIR document

An experimental investigation of refrigerant R449A as replacement for R404A in supermarket refrigeration systems.

• Author(s) : MAKHNATCH P., KHODABANDEH R.
• Publication date: 2016/04/07
• Languages : English
• Keywords : Regulations, R404A, Supermarket, Performance, GWP, Refrigerant
• Source: 4^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Auckland, New Zealand, April 7-9, 2016.
• Formats : PDF

Air conditioning: which refrigerant will become the leading alternative to R410A?

R32 is being adopted widely for residential and small commercial air conditioning applications, but R466A, R452B and R454B are promising candidates, especially for larger size systems.

• Publication date : 2019/05/29
• Subjects: HFCs alternatives

Air conditioning: towards a relaxation of the rules for the use of flammable refrigerants

While the European Commission is paving the way for the use of flammable refrigerants as an alternative for split systems, the current revision of the international standard IEC 60335-2-40 should allow higher...

• Publication date : 2020/10/22
• Subjects: HFCs alternatives

Gas leak detection technologies

Bacharach, a manufacturer of refrigerant and gas leak detectors, recently extended its gas detectors by two HFOs. The company also produces leak detectors for CO2 systems.

• Publication date : 2018/01/16

Adapting to Rising Temperatures: Highlights and Proceedings from the 1st IIR International Adaptation Conference

The 1st IIR International Conference on Refrigeration: Adapting to Rising Temperatures, held from 10–13 August 2025 at the University of Manchester, brought together over 120...

• Publication date : 2025/09/29
• Subjects: Technology

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