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Leaving the immersion on

  • 21-03-2012 12:29pm
    #1
    lazygal
    Registered Users, Registered Users 2 Posts: 12,644 ✭✭✭✭


    Just realised I left it on this morning. How much will it cost me for the day?


Comments

  • #2
    Fart
    Registered Users Posts: 1,825 ✭✭✭Fart


    About Tree Fiddy.


  • #3
    summerskin
    Closed Accounts Posts: 1,760 ✭✭✭summerskin


    oh fuck. Now we need another bailout!






    left mine on overnight last week, i'm calling ollie rehn.


  • #4
    wobbles-grogan
    Registered Users, Registered Users 2 Posts: 558 ✭✭✭wobbles-grogan


    Not that much.

    Once the water heats up, the immersion should auto cut off, and then only turn on to keep the water warm every so often.

    Edit:
    Unless you live in a dive with an ancient immersion.


  • #5
    hamsterboy
    Registered Users, Registered Users 2 Posts: 1,536 ✭✭✭hamsterboy


    Very little as long as nobody is using the hot water.
    Works on a thermostat so will only cut in and out to maintain a temperature...
    Some people I know leave it on the whole time...... thinking is it takes a LOT of electricity to heat water from cold, but less to maintain a constant heat

    HB
    Edit: Beaten to it


  • #6
    sincere113
    Closed Accounts Posts: 212 ✭✭sincere113


    Will anyone be using any hot water while you're gone? If so ask them to turn it off.

    Otherwise I would say approx. €1per hour for the first couple of hours until the water heats up then approx 20c per hour thereafter.


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  • #7
    lazygal
    Registered Users, Registered Users 2 Posts: 12,644 ✭✭✭✭lazygal


    No one home until tonight. At least I know I can have a bath with the hot water. Have the immersion fear in me though, thanks Irish parents.


  • #8
    CrazyRabbit
    Registered Users, Registered Users 2 Posts: 8,659 ✭✭✭CrazyRabbit


    I've often wondered why they call it an immersion. It's basically just a giant kettle wearing a coat.


    (It's probably something simple like "because the heating element is immersed in the water".)


  • #9
    mikemac1
    Closed Accounts Posts: 12,395 ✭✭✭✭mikemac1


    Bankruptcy in the district court beckons OP


  • #10
    hondasam
    Closed Accounts Posts: 34,418 ✭✭✭✭hondasam


    lazygal wrote: »
    Just realised I left it on this morning. How much will it cost me for the day?

    http://www.google.ie/url?sa=t&rct=j&q=immersion%20heater%20cost%20per%20hour&source=web&cd=2&sqi=2&ved=0CD0QFjAB&url=http%3A%2F%2Fthehelpfulengineer.com%2Findex.php%2F2011%2F08%2Fhow-much-does-my-immersion-heater-cost-to-heat-my-water%2F&ei=Sr5pT6ymAoSJhQfJo62zCg&usg=AFQjCNFIm8EbVxcB2R9VRqjsErYNf6vU8w


  • #11
    Mr Benevolent
    Closed Accounts Posts: 12,456 ✭✭✭✭Mr Benevolent


    The pressure will build up when the immersion is left on, eventually leading to a mini Fukishima. Get the radiation suit out, OP.


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  • #12
    lazygal
    Registered Users, Registered Users 2 Posts: 12,644 ✭✭✭✭lazygal


    Phew, tank is well insulated (thanks dodgy builder who owned the house before me). So not too much. Why are people so fearful of leaving it on then?


  • #13
    biko
    Registered Users, Registered Users 2 Posts: 81,220 ✭✭✭✭biko


    Des explains it

    https://www.youtube.com/watch?v=zhKfGYE75_U


  • #14
    mikemac1
    Closed Accounts Posts: 12,395 ✭✭✭✭mikemac1


    I hope you live on your own OP

    If your housemates found out this is a hanging offence


  • #15
    admiralofthefleet
    Closed Accounts Posts: 15,515 ✭✭✭✭admiralofthefleet


    over 9000


  • #16
    lazygal
    Registered Users, Registered Users 2 Posts: 12,644 ✭✭✭✭lazygal


    mikemac1 wrote: »
    I hope you live on your own OP

    If your housemates found out this is a hanging offence

    I'm a married woman. My husband will take it out of my housekeeping money.


  • #17
    Phill Ewinn
    Closed Accounts Posts: 2,007 ✭✭✭Phill Ewinn


    PM me and I'll fit a push button timer for you. Push once, wait. have shower and don't worry about turning it off again.

    Also might give your plumbing a good service if you're good looking.


  • #18
    cloptrop
    Closed Accounts Posts: 2,923 ✭✭✭cloptrop


    Ring the neighbour and tell him to kick the back door in and turn it off. The cost of the door repair can be off set with the 3 euro cost saved on the immersion.


  • #19
    minidazzler
    Registered Users, Registered Users 2 Posts: 14,739 ✭✭✭✭minidazzler


    wobbles-grogan wrote: »
    Not that much.

    Once the water heats up, the immersion should auto cut off, and then only turn on to keep the water warm every so often.

    Edit:
    Unless you live in a dive with an ancient immersion.

    If you do live with a crap immersion, be prepared to pay for the walls to be stripped and re-painted. We left ours on before resulting in steam coming out somewhere in the attic and it coming down over the walls.


  • #20
    1966
    Registered Users, Registered Users 2 Posts: 1,655 ✭✭✭1966


    lazygal wrote: »
    No one home until tonight. At least I know I can have a bath with the hot water. Have the immersion fear in me though, thanks Irish parents.

    Not only did I grow up with the immersion & lights left on in rooms fear - we also had the OVEN one - she'd actually knock up a few cakes, tarts, bread to bake if a roast was being done to make full use of that heat?????


  • #21
    AboutTwoFiddy
    Closed Accounts Posts: 216 ✭✭AboutTwoFiddy


    Fart wrote: »
    About Tree Fiddy.

    Oh a little less than that...


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  • #22
    minidazzler
    Registered Users, Registered Users 2 Posts: 14,739 ✭✭✭✭minidazzler


    1966 wrote: »
    Not only did I grow up with the immersion & lights left on in rooms fear - we also had the OVEN one - she'd actually knock up a few cakes, tarts, bread to bake if a roast was being done to make full use of that heat?????

    That sounds fcuking awesome. Why are you questioning it?


  • #23
    yeppydeppy
    Registered Users, Registered Users 2 Posts: 1,163 ✭✭✭yeppydeppy


    I used to leave my emersion on the whole time and it only added slightly to the ESB bill. I stopped doing it - I'm not really sure why. I have an electric shower and I live alone so there isn't much need for a tank full of hot water. I suppose if I had someone coming to visit I'd leave it on.


  • #24
    lazygal
    Registered Users, Registered Users 2 Posts: 12,644 ✭✭✭✭lazygal


    1966 wrote: »
    Not only did I grow up with the immersion & lights left on in rooms fear - we also had the OVEN one - she'd actually knock up a few cakes, tarts, bread to bake if a roast was being done to make full use of that heat?????

    I do that too-no point in having the oven on for one roast joint when you could have an apple tart or scones and roast spuds cooking as well.


  • #25
    niallb
    Registered Users, Registered Users 2 Posts: 2,747 ✭✭✭niallb


    lazygal wrote: »
    Phew, tank is well insulated (thanks dodgy builder who owned the house before me). So not too much. Why are people so fearful of leaving it on then?

    Because of a racial memory of a time before thermostats!


  • #26
    Dravokivich
    Moderators, Category Moderators, Music Moderators, Politics Moderators, Society & Culture Moderators Posts: 22,360 CMod ✭✭✭✭Dravokivich


    hondasam wrote: »
    http://www.google.ie/url?sa=t&rct=j&q=immersion%20heater%20cost%20per%20hour&source=web&cd=2&sqi=2&ved=0CD0QFjAB&url=http%3A%2F%2Fthehelpfulengineer.com%2Findex.php%2F2011%2F08%2Fhow-much-does-my-immersion-heater-cost-to-heat-my-water%2F&ei=Sr5pT6ymAoSJhQfJo62zCg&usg=AFQjCNFIm8EbVxcB2R9VRqjsErYNf6vU8w

    Even for the hour alone, that's about 15 quid a month.


  • #27
    magicbastarder
    Moderators, Category Moderators, Arts Moderators, Sports Moderators Posts: 50,152 CMod ✭✭✭✭magicbastarder


    hamsterboy wrote: »
    Some people I know leave it on the whole time...... thinking is it takes a LOT of electricity to heat water from cold, but less to maintain a constant heat
    thejournal.ie have repeated this advice today. i've asked plumbers about this before, and have been told it's an old wive's tale.

    if you leave the immersion on constantly, it's constantly losing heat to the surroundings (albeit much reduced with a modern well lagged tank); so in that scenario, if the immersion is operating in 'top up' mode with no water being drawn, you're basically just paying to pump heat into the surroundings, as well as then for the water you use.
    but if you turn it on as needed, you're just heating the water you intend to use.


  • #28
    kneemos
    Registered Users, Registered Users 2 Posts: 20,450 ✭✭✭✭kneemos


    We have small water heaters which hold about four or five gallons,not enough for a bath but plenty for a shower and the taps and doesn't cost much to leave on.


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