More sustainable magnetocaloric heat pump matches current vapor-compression heat pumps for weight, cost, and power density
"vapor-compression relies on harmful refrigerants... magnetocaloric heat pumps require less energy for cooling/ heating... operates by changing magnetic field applied to magnetocaloric material while pumping fluid moving heat... using space/ materials more efficiently: gadolinium, but no lanthanum-iron-silicon materials, less permanent magnet/ magnetic steel... cost will match that of current vapor-compression heat pumps in mass production"
Related:
New research confirms heat pumps are three to four times more efficient than boilers
https://www.kensaheatpumps.com/news-blog/new-research-heat-pumps-more-efficient-than-gas/
Magneto heat pump
https://www.youtube.com/watch?v=9m2PjzTPA-w&t=2s