this post was submitted on 11 Jan 2025
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Zero-wasting the cold: Does anyone ever freeze blocks of ice outside in the winter and let them defrost in the fridge/freezer? (dubvee.org)
submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]
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Curious if this would have any noticeable energy savings. Basically thinking of taking old semi-disposable plastic containers (the ones that like deli meat, butter, etc come in), freezing them outdoors, and letting them defrost (absorb heat) in the fridge/freezer. Basically back to the "ice box" model.

Anybody doing that and/or have any results to share? Mostly curious if it would be worth the effort.

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[–] [email protected] 7 points 1 week ago

I think the next level of after heat pumps is complete heat management. Waste heat from kitchen exhaust? Heat pump. Hot water down the drain? Heat pump.