Up until 2000, there was a continuous and substantial increase in the contribution from the range of F-gases as a whole, calculated as the sum of emissions in CO2 equivalents. In 2000-2009, the increase of F-gas emissions continued with a lower increasing rate than for 90'ties. Hereafter, the F-gas emissions decreases.
The use of HFCs increased several folds and HFCs have become the dominant group of F-gases. HFCs are mainly used as a refrigerants. SF6 contributed considerably to the F-gas sum in earlier years due to the use in metal industries and due to the production of thermo windows. SF6 emissions increased again in 2011-2021 due to the modeled end of life decommissioning of the same thermo windows. Due to environmental awareness the Danish legislation regulates the use of F-gases, e.g. since January 1, 2007 new high GWP (global warming potential) HFC-based refrigerant stationary systems are forbidden. Refill of old systems are still allowed and the use of air conditioning in mobile systems increases.
(For background data click here)
Links to detailed background data for greenhouse gas emissions can be found under "Supporting documentation".
