United Kingdom

Global

Singapore

United States of America (the)

PFC-14

Germany

Netherlands

R404A

R407C

R410A

Emission intensity for perfluoromethane (PFC-14). This conversion factor should be used to report leakage from air-conditioning refrigeration units or the release to the atmosphere of other gases that have global warming potential (GWP). Retrieved from the Conversion Factors 2021: flat file published by the UK BEIS/Defra at the source URL.

Perfluoromethane (PFC-14)

Emission intensity for perfluoromethane (PFC-14). This conversion factor should be used to report leakage from air-conditioning refrigeration units or the release to the atmosphere of other gases that have global warming potential (GWP). Retrieved from the Conversion Factors 2022: flat file published by the UK BEIS/Defra at the source URL.

Emission intensity for perfluoromethane (PFC-14). This conversion factor should be used to report leakage from air-conditioning refrigeration units or the release to the atmosphere of other gases that have global warming potential (GWP). Retrieved from the Conversion Factors 2023: flat file published by the UK BEIS/Defra at the source URL.

Emission intensity for perfluoromethane (PFC-14). Emissions including only Kyoto products. This conversion factor should be used to report leakage from air-conditioning refrigeration units or the release to the atmosphere of other gases that have global warming potential (GWP). Retrieved from the Conversion Factors 2024: flat file published by the UK BEIS/Defra at the source URL.

Emission intensity for PFC-14 (Perfluoromethane). This conversion factor should be used to report leakage from air-conditioning refrigeration units or the release to the atmosphere of other gases that have global warming potential (GWP). The primary sources are IPCC Fourth Assessment Report (AR4) and IPCC Fifth Assessment Report (AR5). NOTE: This dataset has been deprecated by the source.

PFC-14 (Perfluoromethane)

Emission intensity of gas specified in 100-year GWPs from IPCC Sixth Assessment Report (AR6) 2021. Retrieved from the IPCC Global Warming Potential Values (pdf) file published by GHG Protocol at the source URL.

Emission intensity of PFC-14 (CF4). The GHG emissions standard applied is the IPCC Fifth Assessment Report. Retrieved from Singapore Emission Factors Registry (SEFR) database. The primary data source is National Environment Agency (NEA) Singapore. According to the source: This is the Global Warming Potential (GWP) of the associated Greenhouse Gas (GHG) following IPCC Fifth Assessment Report (AR5) "Climate Change 2013: The Physical Science Basis".

Emission intensity of gas specified in 100-year GWPs from IPCC Fifth Assessment Report (AR5) 2013. Retrieved from the 2024 GHG Emission Factors Hub (xlsx) file published by the US EPA at the source URL.

Emission intensity of gas specified in 100-year GWPs from IPCC Fifth Assessment Report (AR5) 2013. Retrieved from the 2025 GHG Emission Factors Hub (xlsx) file published by the US EPA at the source URL.

Property	Value
Name	PFC-14 And 3 Other Names PFC-14 PFC-14 (Perfluoromethane) Perfluoromethane (PFC-14)
Sector	Refrigerants and Fugitive Gases
Category	Refrigerants and Fugitive Gases
Source	BEIS, EPA, GHG Protocol, SEFR
Region	United Kingdom (GB), Global (GLOBAL), Singapore (SG), United States of America (the) (US)
Unit Type	Weight
Year	2025 to 2013
LCA Activity	fugitive_release, unknown

PFC-14

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Related factors

Refrigerants and Fugitive Gases Emission Factors

R404A

R407C

R410A

Emission Factor Name	Region	Source	Year	Unit
Perfluoromethane (PFC-14)	United Kingdom	BEIS	2021	Weight
Perfluoromethane (PFC-14)	United Kingdom	BEIS	2022	Weight
Perfluoromethane (PFC-14)	United Kingdom	BEIS	2023	Weight
Perfluoromethane (PFC-14)	United Kingdom	BEIS	2024	Weight
PFC-14 (Perfluoromethane)	Global	GHG Protocol	2021	Weight
PFC-14	Global	GHG Protocol	2024	Weight
PFC-14	Singapore	SEFR	2013	Weight
PFC-14	United States of America (the)	EPA	2024	Weight
PFC-14	United States of America (the)	EPA	2025	Weight