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Under sink heater

  • 02-11-2017 7:59am
    #1
    Rudyroo
    Registered Users, Registered Users 2 Posts: 9 ✭


    If its A rated, 2kw, 10 litre how much will it cost to draw 10 litres of hot water from it?


Comments

  • #2
    corglass
    Registered Users, Registered Users 2 Posts: 1,113 ✭✭✭corglass


    Rudyroo wrote: »
    If its A rated, 2kw, 10 litre how much will it cost to draw 10 litres of hot water from it?

    Roughly 1 unit /6 liters to boil water. So it shouldn't use more than 1 unit for hot water.

    That's about 20c at standard rates I guess.

    The 2kW rating only determines how quickly it heats up, it has no effect on cost


  • #3
    exaisle
    Registered Users, Registered Users 2 Posts: 2,675 ✭✭✭exaisle


    Cross posted in Electrical....

    Which one did you have in mind?


  • #4
    Rudyroo
    Registered Users, Registered Users 2 Posts: 9 ✭Rudyroo


    corglass wrote: »
    Roughly 1 unit /6 liters to boil water. So it shouldn't use more than 1 unit for hot water.

    That's about 20c at standard rates I guess.

    The 2kW rating only determines how quickly it heats up, it has no effect on cost

    Are you basing that on cost of say boiling 6 ltrs via kettle?

    Is there a cost if the water is not being drawn?


  • #5
    Rudyroo
    Registered Users, Registered Users 2 Posts: 9 ✭Rudyroo


    exaisle wrote: »
    Cross posted in Electrical....

    Which one did you have in mind?

    Ariston Andros 10 RS


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