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Don't throw away your old PC—it makes a better NAS than anything you can buy
(www.howtogeek.com)
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this post was submitted on 30 Nov 2025
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I used to think it didn't matter how electricity is used to generate heat, so I came to the same conclusion you did. Surprisingly, it does matter. Rather than a computer's resistive heating, it is much more efficient to refrigerate the outdoors and point the refrigerator's heat sink indoors. This is how a heat pump works. It's basically awesome.