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A similar amazing technology has been recently shown at a Fraunhofer Institute in Germany. And the magnetocaloric approach sounds even more promising! https://

• TomatoDash 5y ago
  Both the Economist's text and the Fraunhofer press release focus mostly on the benefit of not using certain refrigerants. But for in home AC use noise reduction might be a much stronger selling point. Especially in Europe where it is common with so called portable indoor AC units that put the noisy compressor inside the room you want to cool down.