• Cyrus Draegur@lemm.ee
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    7 months ago

    Why would I be inside the shower before the hot water shows up

    I turn on the shower at maximum hot, undress, THEN introduce cold back to a comfy temperature and step inside.

  • Sludgeyy@lemmy.world
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    7 months ago

    Pro tip:

    Always max hot water (or hot water only if separate) to warm up shower fastest and save water. It’s a win win.

    Turning it 3/4 or something to desired temperature takes longer to heat up and wastes both hot and cold water.

  • The mastermind@mander.xyz
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    7 months ago

    I used to only have cold water up until a month ago and I’d get confused when those cold shower body builder trent went online but yeah now that i’m getting used to it i can see the difference.

    Edit : To avoid confusion i used to live in a place with noderate climate and only recently moved .

      • The mastermind@mander.xyz
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        7 months ago

        Who just got ? I was just talking about me specifically i ised to live somewhere with moderate climate sure in the winter it was cold but not that cold . Now i have moved states and it is kinda really cold here so .

  • the_third@feddit.de
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    7 months ago

    Building my home with a hot water circuit was one of the better decisions of the last decade. Every tap, hot water within three seconds. Wasn’t that much additional effort or cost anyway, not sure why it’s not more common.

    • Semi-Hemi-Lemmygod@lemmy.world
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      7 months ago

      My kitchen sink is really far from my water heater, so I put a 3 gallon electric water heater under the sink. It did the same thing without having to be a new home. Would definitely recommend.

      Does the circuit use any water or is it just pumped around and kept heated? Does it use a lot of energy?

      • the_third@feddit.de
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        7 months ago

        Does the circuit use any water or is it just pumped around and kept heated? Does it use a lot of energy?

        The water is just pumped around the circuit, fresh water only enters the circuit when a tap is opened somewhere.

        Energy losses are at a minimum, the pipes for the circuit are isolated with 40mm Armaflex all around.

        The pumping speed is regulated by temperature difference. Water leaving the heat buffer is targeted to never be more than two degrees C warmer than water returning from the loop. That usually results in the pump drawing one to three watts.

        The 1000 liter heat buffer collects heat from the wood stove, the heatpump and the solar thermal panels and transfers it to hot water and the underfloor heating. The water in the actual hot water circuit is maybe 15 Liters or so.

        Heat sources are automatically started depending on their pricing, solar thermal first, then heatpump when photovoltaics is pushing excess power, then heatpump when the grid is cheap and of all of those aren’t available I get an alert on my phone that it’s a good time to light the wood stove. And if I don’t do that, the heatpump will run at whatever grid pricing is current. If the heatpump fails and the sun isn’t shining and I’m not there to light the stove, the whole system will fall back to freeze protection with a simple heater and unregulated pumping.

        Heating the whole house to 23°C and having enough hot water for two people costs maybe around 70€/month across the year, so, it’s okay price wise.

        • Semi-Hemi-Lemmygod@lemmy.world
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          7 months ago

          Thanks for those details! That sounds like a great system and beats my failsafe of heating a big pot of water on the woodstove

          • the_third@feddit.de
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            7 months ago

            Hey, the pot of water solution is assembled in five minutes if you already have a pot and a stove, so resource wise you’ve got a bit of an advantage.

            I’ve spent a year alone on tinkering with the automation in regard to power prices and solar production, because I had to wait for every season and combination of temperatures outside, wind and solar radiation to… well, occur. It’s probably a bit overengineered but I like this kind of thing and using the available resources to an optimum (and having the stats to prove it 😁) is just an enjoyable past time for me.