R420A GWP: global warming potential (AR4, AR5)

R420A has a 100-year global warming potential (GWP) of 1,536 under AR4, 1,144 under AR5, and 1,556 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.

R420A: global warming potential by report and horizon, in kg CO₂e per kg
ReportHorizonGWPPrinted by
AR4100 years1,536UNEP
AR5100 years1,144DESNZ
WMO 202220 years4,221UNEP
WMO 2022100 years1,556UNEP

Composition

R420A is a blend. Shares by mass as UNEP states them.

ComponentShare by mass
R134a88%
R142b12%

Who publishes it

Every open record of R420A this page reads, with the figures it prints.

PublisherRecordRegionFiguresFactor page
DESNZBlends - R420AUnited KingdomAR5 100 years: 1,144
UNEPR-420A - R-134a/142b (88.0/12.0)WorldAR4 100 years: 1,536 · WMO 2022 20 years: 4,221 · WMO 2022 100 years: 1,556

Source: the open records of the open-climate.ai catalogue, version 1590.

Every gas and refrigerant