this post was submitted on 19 Oct 2024
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Modern heat pumps, which use the same principle as A/C, can achieve 4 to 1 efficiency. Old fridges can be tanks, but are horribly inefficient. A new high efficiency unit could probably pay itself off in 2 3 years.
If you're extra brave and handy with hardware hacking you can replace the internals with new tech
True, but with the insulation upgrade you'd basically end up with a DIY fridge that will probaby cost more, work less well and fail sooner.