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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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Energy Assessment: Boiling water

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    • CommentAuthorbiffvernon
    • CommentTimeOct 7th 2010 edited
     
    Posted By: SteamyTea
    Posted By: Hairlockselectric Kettle used 50% +/- 5% of the energy of the gas hob and saucepan.

    So cheaper and environmentally better to use saucepan on gas then.


    Does that still apply if you've got solar pv and the sun is shining?
    • CommentAuthortony
    • CommentTimeOct 7th 2010
     
    or hydro
    •  
      CommentAuthorDamonHD
    • CommentTimeOct 7th 2010
     
    Biff/Tony: if you're grid-tied then using your electricity locally means it isn't available to displace consumption/generation elsewhere on the grid at its full intensity, but you might count the ~7% distribution losses in your favour when you use locally. Wouldn't tip the balance one way or the other on its own IMHO.

    But, it doesn't stop me enjoying my "solar tea" when I do boil water purely with my PV power!

    Rgds

    Damon
    • CommentAuthorludite
    • CommentTimeOct 7th 2010
     
    I have a 2 ring induction hob. While it's great at boiling stuff really fast. Its absolutely RUBBISH at low temps - such as poaching an egg or keeping spag bog warm while we wait for people to come home. I turn it down to 1 - the lowest it will go, and it bubbles for a while, then just gives up and turns itself off. If I turn it up to 2, it either boils over, or gives up again and turns itself off. Have I got a dodgy machine, or does this happen to other people too?

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