• sp3ctr4l@lemmy.dbzer0.com
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    2 hours ago

    Perhaps this is a dumb question, but perhaps it is not:

    If you just had, in say a studio apartment, or a single bedroom, basically just a large container of water, where the container is made of something fairly to considerably thermally conductive…

    Would or could this act as something like a thermal regulator for the room, to a potentially useful degree, such that it could ease the overall power usage of an AC/Heating system?

    The water doesn’t do anything, in like a designed machine sense; its not part of plumbing or heating, its just a big ole tank of water, sitting there.

    The idea I am going with is something like how large static bodies of water act as regulators for nearby climate zones, through a day night cycle … they tend to keep temperatures in the surrounding area a bit more stable, though of course humidity and the water cycle have other effects in a more open weather system.

    I also realize there are a lot of potentially confusing or confounding variables at play here.

    But my thinking is that maybe, at some scale, in some conditions, this could basically normalize your day-night temperature cycle, at least somewhat.

    Obviously in real world, just a simple tank of water would potentially freeze in winter, or boil in summer, in more extreme environments, that you’d at bare minimum have to have some mechanical system to prevent problems… but uh, … yeah.

    • Pipster@lemmy.blahaj.zone
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      1 hour ago

      You see this with normal heating systems. My house has hot air heating with a big burner and vents in the rooms. It is great for instant heat but once it turns off you lose the heat just as fast. And if you dont have a vent in the room it can be pretty cold.

      But the house I grew up in had water filled radiators in every room. Took ages to warm up the house but it would transfer an awful lot of heat into the brick walls so it would stay warm for a really long time after the heating shut off.

      So in the old house in winter you really didnt notice the heating turning on and off but in my new one it is painfully obvious. I really want to rip it out and get a better system.

    • Dippy@beehaw.org
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      2 hours ago

      Yes, this is called thermal mass, or more scientificly, heat retention. The more stuff you in have a space, the more resilient to change it’ll temperature it is. Insulation, is basically putting a bunch of high retention materials in perimeter of a building so that it stays more consistent

    • billwashere@lemmy.world
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      2 hours ago

      I don’t think it’s a dumb question at all. I’m not a physics person but I think what you’re describing is a thermal battery. It’s the reason people put tiles in their ovens for smoothing out hot and cold spots and moderating temperature swings from the oven cutting on and off or opening the door.

      • Omgpwnies@lemmy.world
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        2 hours ago

        Large brick/stone fireplace+chimneys do similar in colder climates, holds heat in the winter and stays cooler in the summer.

        • BeMoreCareful@lemmy.world
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          1 hour ago

          Oh, I hadn’t even thought of that. I always thought stoves were just way more efficient, but a giant old school hearth-thing actually makes a lot more sense now.

      • sp3ctr4l@lemmy.dbzer0.com
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        1 hour ago

        I didn’t downvote you, but:

        Ok, then… have a ceiling fan above it?

        A very slow one, that uses little energy?

        • YiddishMcSquidish@lemmy.today
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          5 minutes ago

          No need to apologize for someone else. But I appreciate the thought.

          And you are absolutely right. A ceiling fan, plus a thermal mass would work.