I changed out both elements in my electrc water back in late August. Had to change the bottom one out again today.

  • MutilationWave@lemmy.world
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    2 months ago

    Electric ain’t better if you have to replace it constantly. Think of the emissions to produce these parts.

    • protist@mander.xyz
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      2 months ago

      The emissions to produce a single heating element off a factory line are probably a lot smaller than keeping a jug of water in your house hot by burning natural gas off and on all day every day forever

      • thejml@lemm.ee
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        2 months ago

        And that’s why you get an on demand unit. In either case, heating water in a jug over and over just so it might be hot hen you need it is not a great idea.

        • Tayb@lemmy.world
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          2 months ago

          I agree. I use very little gas to heat my water for my hydronic system and the tap. I replaced an old oil hydronic heater and traditional electric water heater with a natural gas combi boiler that does both home heat and hot water. My utility bills went through the floor, and over the whole year I put a fraction of the CO2 into the atmosphere than I did in just a winter of the old oil furnace.

      • DempstersBox@lemmy.world
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        2 months ago

        Cool, when those heating elements are shipped over here via bunker fuel. I’ll bet a boatload of those coming over is more emissions than running a NG burner for a decade

        • protist@mander.xyz
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          2 months ago

          Except it’s not a boat transporting one heating element, but thousands upon thousands of other things. To accurately quantify emissions you’ll need to divide the ship’s total emissions by the # of products on board, likely making transport emissions from a single heating element negligible and easily surpassed by burning methane in your house constantly every day forever

          • DempstersBox@lemmy.world
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            2 months ago

            Ah yes, thousands and of other products built to be as or more disposable than the first element that blew.

            Why do the boats keep coming, filled to the brim with garbage you never actually needed?

      • MutilationWave@lemmy.world
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        2 months ago

        And so we come to the eventual argument. An electric water heater is going to keep a jug of water in your house hot by running off and on all day forever. Where did that electricity come from?

        • protist@mander.xyz
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          2 months ago

          In my case, a mix of fossil fuel and renewable resources that on the whole are significantly less carbon-intensive per unit of energy than straight up burning methane in my house

          • MutilationWave@lemmy.world
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            2 months ago

            I wish we had European style water heaters at the tap. But that’s not safe. You should see what I find in hospital infrastructure.

            • protist@mander.xyz
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              2 months ago

              Oh I used to work at a hospital that was built in the 60s and know full well what sort of asbestos-laden Frankenstein’s monster they become over time

        • DarkThoughts@fedia.io
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          2 months ago

          Where did that electricity come from?

          Please stop the climate denier arguments. Even if it was a gas power plant, it would be still more efficient than your little home gas heater and this gap gets wider and wider when we add more and more renewables to the energy mix.

        • Delta_V@lemmy.world
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          2 months ago

          A lot of the electricity probably came from burning natural gas at the power plant, and then some of that (~5%) gets lost in transmission. If we assume the natural gas plant is 60% efficient at turning gas into electricity, then an electric heating element in a hot water tank at your house would be about 55% efficient.

          A typical gas furnace is about 80% efficient at turning gas into hot fluid, and a good one can reach 95% efficiency.

          Depending on the fuel mix of your local grid, there’s a good chance that burning natural gas at home will result in less pollution than using electric resistance heaters, either for heating water or the air inside your home during winter. Places like Washington state that generate most of their electricity from hydroelectric power plants will be exceptions.

          However, heat pumps can be higher than 100% efficiency. They don’t use electricity to generate heat, they just move heat from one place to another. You’ll produce fewer emissions overall by using an HVAC heat pump to heat your house, and a heat pump water tank for hot water. Even if you live in a place like Canada, you can reduce emissions by installing a dual-fuel system that will use electricity to run the heat pump weather permitting, and fall back to using gas when the outdoor temperature goes too far negative.

          Using heat pumps to move heat from outside, to inside your house, to inside your hot water tank is more efficient than using gas to heat your home and water, even when the electricity to run the heat pump is generated by burning natural gas.

          • MutilationWave@lemmy.world
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            2 months ago

            I don’t own a home but if I ever do I would love to put in a heat pump and solar panels. Great detailed response.