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How a tiny metal block could change cooling forever

Kai Steinecke
March 21, 2025

For centuries, refrigeration tech has stayed the same — energy-hungry and reliant on harmful gases. Enter magnetocaloric cooling: a new solution claiming to be 30% more energy-efficient than current cooling systems. And it’s scalable. From fridges to cooling buildings and server farms.

https://p.dw.com/p/4s5L4

Magnetocaloric cooling: a revolutionary technology that could transform refrigeration and air conditioning.

For more videos in this series, follow this link.

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About the show

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Planet A

We're destroying our environment at an alarming rate. But it doesn't need to be this way. Planet A explores the shift towards an eco-friendly world and challenges the way we are dealing with climate change.

Go to show Planet A