The International Institute of Refrigeration (IIR) and the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) have developed common definitions for these five terms. IIR has endorsed them in February 2019, and its dissemination should lead to a universal adoption. In Europe, the new definitions should affect policy documents.
The European Commission has released the 2018 pocketbook with data up to 2016. Whereas the first pocketbooks elaborated mainly on energy figures, the 2018 version also covers socio-economic indicators and the impact of the energy sector on the environment.
