R438A GWP: global warming potential (AR4, AR5, AR6)
R438A has a 100-year global warming potential (GWP) of 2,059 to 2,265 under AR4, 2,059 under AR5, 2,425 under AR6, and 2,432 under WMO 2022.
A GWP is counted in kilograms of CO₂ equivalent (kg CO₂e) per kilogram of gas released.
GWP by IPCC report and horizon
One row per figure. When publishers print different figures under one report, each figure gets its own row.
| Report | Horizon | GWP | Printed by |
|---|---|---|---|
| AR4 | 100 years | 2,059 | CO2emissiefactoren.be |
| AR4 | 100 years | 2,264 | UNEP |
| AR4 | 100 years | 2,265 | CO2emissiefactoren.nl |
| AR5 | 100 years | 2,059 | CO2emissiefactoren.nl, DESNZ, UOS |
| AR6 | 100 years | 2,425 | CO2emissiefactoren.be, CO2emissiefactoren.nl, MITECO |
| WMO 2022 | 20 years | 5,073 | UNEP |
| WMO 2022 | 100 years | 2,432 | UNEP |
Composition
R438A is a blend. Shares by mass as CO2emissiefactoren.be states them.
| Component | Share by mass |
|---|---|
| R32 | 8.5% |
| R125 | 45% |
| R134a | 44.2% |
| R600 | 1.7% |
| R601a | 0.6% |
Who publishes it
Every open record of R438A this page reads, with the figures it prints.
| Publisher | Record | Region | Figures | Factor page |
|---|---|---|---|---|
| CO2emissiefactoren.be | R438A - (8.5% R-32, 45% R125, 44.2% R134a 1.7% R600, 0.6% R601a) | Belgium | AR4 100 years: 2,059 · AR6 100 years: 2,425 | |
| CO2emissiefactoren.nl | R438a | Netherlands | AR4 100 years: 2,265 · AR5 100 years: 2,059 · AR6 100 years: 2,425 | |
| DESNZ | Blends - R438A | United Kingdom | AR5 100 years: 2,059 | |
| MITECO | R-438A - R-32/125/134a/600/601a (8,5/45/44,2/1,7/0,6) | Spain | AR6 100 years: 2,425 | |
| UNEP | R-438A - R-32/125/134a/600/601a (8.5/45.0/44.2/1.7/0.6) | World | AR4 100 years: 2,264 · WMO 2022 20 years: 5,073 · WMO 2022 100 years: 2,432 | |
| UOS | Refrigerants - R-438A | Iceland | AR5 100 years: 2,059 |
Source: the open records of the open-climate.ai catalogue, version 1590.
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