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Heating, Cooling & Refrigeration · Recorded milestone

Low-warming HFO refrigerants

Recorded year2013

HFO-1234yf from Honeywell and DuPont enters new car air conditioners, with under 1% of the warming effect of the gas it replaces.

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No connections of this kind are recorded.

Sources & evidence

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.