Hello
This should be one of the best heat pumps in the world, rotary heat pump
https://energiestammtisch.hpage.com/39nachrichtenscience2017.html
https://www.ecop.at/de/produkt/ von -20° bis 150° - COP über 10. Gute Seite: https://punktwissen.blog/tag/erfindungen/
Has anyone experience with it?
hello nobody knows anything about this heat pump?