IEA (2021), Final energy use for residential refrigerators and freezers covered by mandatory minimum energy performance standards, 2000-2021, IEA, Paris https://www.iea.org/data-and-statistics/charts/final-energy-use-for-residential-refrigerators-and-freezers-covered-by-mandatory-minimum-energy-performance-standards-2000-2021, Licence: CC BY 4.0