# heat pump

> device that transfers thermal energy in the opposite direction of spontaneous heat transfer

**Wikidata**: [Q131313](https://www.wikidata.org/wiki/Q131313)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Heat_pump)  
**Source**: https://4ort.xyz/entity/heat-pump


## References

1. Integrated Authority File
2. Nuovo soggettario
3. Freebase Data Dumps. 2013
4. [Heat pumps: What are they and how do they work? | Environment | All topics from climate change to conservation | DW | 31.08.2022](https://www.dw.com/en/heat-pumps-what-are-they-and-how-do-they-work/a-62852353)
5. BBC Things
6. YSO-Wikidata mapping project
7. National Library of Israel
8. KBpedia
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)