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See all EU institutions and bodiesFollowing two decades of fluctuation, European Union emissions of fluorinated greenhouse gases (F-gases) peaked in 2014. They have since fallen by about 38% (by 2023). This can largely be attributed to the EU-wide hydrofluorocarbon (HFC) phase out specified in the F-gas Regulation, which aims to reduce F-gas emissions and mitigate global warming. HFCs account for the majority of F-gas emissions and the EU is on track to meet its targets for HFC use. It is also on track to meet its international obligation to reduce HFC consumption, in effect since 2019, under the Montreal Protocol.
Figure 1. EU progress under the hydrofluorocarbon phase out set out in the EU F-gas Regulation
Fluorinated greenhouse gases (F-gases), including hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), sulphur hexafluoride (SF6) and nitrogen trifluoride (NF3), contribute to global warming. These gases are used in a range of applications, yet the refrigeration, air conditioning and heating sector account for the majority of F-gas use in the EU.
Between 1990 and 2014, EU F-gas emissions increased by around 70% overall and accounted for about 3% of all greenhouse gas (GHG) emissions (see EEA GHG data viewer). The increase was largely caused by the substitution of ozone-depleting hydrochlorofluorocarbons (HCFCs) with HFCs in the refrigeration, air conditioning and heat pump sector and the sector's overall growth.
The 2024 revised F-gas Regulation aims to reduce F-gas emissions and reach the EU’s climate neutrality target. Measures include improving leak-tightness of equipment, promoting the use of more sustainable alternatives to F-gases and capping sales of HFCs on the EU market through a quota system and an HFC phase out by 2050.
The EU-wide HFC phase out is expected to result in large reductions of F-gas use and emissions, as HFCs accounted for around 91% of F-gas emissions in 2023. To place bulk HFC gases on the market, companies must hold sufficient quotas, expressed in tonnes of CO2 equivalent to create an incentive to use gases with lower global warming potential. The maximum quantities of quotas are set to progressively decrease from 2015 to 2050 (Figure 1). The HFCs quantity placed on the EU market was notably high in 2014 before the phase out. It has declined markedly since and remained below the maximum quantity set by the F-gas Regulation in 2015 and onwards. Thus, the EU is on track to meet its HFC phase out targets.
Since 2017, HFCs in imported refrigeration, air conditioning, and heat pump equipment have been included in the quota system through authorisations that equipment importers acquire from quota holders. Under the revised F-gas Regulation, the definition of maximum quota quantities was extended from 2023 to 2050 and adjusted to include HFCs in metered dose inhalers for pharmaceutical use from 2025. This explains why the 2025 maximum quantity for HFCs under the EU phase out is higher than for 2024.
Additional efforts at EU and national levels aim to reduce HFC leakage from refrigeration and air conditioning equipment, encourage the recovery of gases at the end of equipment lifetime, promote the use of non-HFC refrigerants and ban the use of HFCs for certain applications. The HFC phase out process has successfully reduced F-gas emissions by about 33% (by 2023), after a 2014 peak.
Figure 2. EU progress towards the worldwide hydrofluorocarbon consumption phase-down under the Montreal Protocol
At international level, HFC consumption is regulated under the . In accordance with the 2016 amendment, which came into effect in 2019, developed and developing countries have committed to an HFC phase-down by meeting progressively decreasing HFC consumption targets.
The phase-down schedule for the EU and the group of developed countries starts at 90% of the baseline, going down to 15% by 2036. The EU is well on track to comply with its obligations under the Montreal Protocol: In 2024, EU-27 HFC consumption was 60% below the Montreal Protocol target recalculated to the EU-27 geographical scope.
For details on underlying trends in the EU supply of HFCs and other fluorinated gases, and differences between the ‘consumption’ metric used under the Montreal Protocol and ‘Placing on the Market’ (POM) used under the F-gas Regulation, see the report Fluorinated greenhouse gases 2025 at the ETC CM website.