this post was submitted on 21 May 2025
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Samsung and US researchers say a new technology called thermoelectric cooling can make refrigerators 70% more energy efficient, & could enable them to power themselves from their ambient environment (www.eenewseurope.com)
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[–] Onomatopoeia@lemmy.cafe 1 points 2 weeks ago* (last edited 2 weeks ago)

I've used 12v coolers. They don't cool, at best they maintain temp, under the right conditions.

How efficient does it have to be? It needs to at least equal compressors.