1. Decarbonising heating and cooling — a climate imperative;European Environment Agency,2023
2. Strengthening industrial heat pump innovation: Decarbonizing industrial heat;de Boer,2020
3. A roadmap for moving to a competitive low carbon economy;European Commision,2011
4. Levelized cost of energy – version 16.0;Lazard,2023
5. Heat pump systems - energy saver;Department of Energy in United States,2023