Archive:000/Water heating: Revision history

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26 October 2024

17 May 2023

  • curprev 21:0721:07, 17 May 2023‎ Elie talk contribs‎ 1,096 bytes +11‎ →‎Energy use
  • curprev 21:0721:07, 17 May 2023‎ Elie talk contribs‎ 1,085 bytes +1,085‎ Created page with "This page is about hot water systems in homes & buildings. ==Types== * solar thermal panels * electric water heating * natural gas water heating ==Energy use== 49'C is considered the ideal hot water temperature. Anything hotter is a safety hazard (scalding). {{minor|If water is coming in to the building at a typical 9'C, then that's a 40 degree (kelvin) difference.}} Physics shows how much energy it takes to heat the water: {{minor|Same calculation shown in mu..."
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