zerowaste

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Discussing ways to reduce waste and build community!

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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 5 months ago* (last edited 5 months ago) by ptz@dubvee.org to c/zerowaste@slrpnk.net

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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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[–] Blue_Morpho@lemmy.world 1 points 5 months ago (2 children)

That's brilliant. I googled the energy costs. It's $30 a year to run a fridge. So it doesn't save much money because you can only do it in winter but it's still a great idea.

[–] jol@discuss.tchncs.de 1 points 5 months ago

And modern fridges use very little energy, because they only run when needed. Technology connections did a few videos on that subject.

[–] ptz@dubvee.org 1 points 5 months ago

Ah yeah, $30/yr doesn't seem like a lot from a strictly money-saving perspective. I guess if electricity here was more expensive (it's getting there lol) or if I was on a tighter power budget (e.g. offgrid PV + battery), it might be worth it. Maybe I'll just save that trick for when the power's out.