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    • Elite1986
    • By Elite1986 1st Oct 18, 6:11 PM
    • 6Posts
    • 0Thanks
    Elite1986
    Electric Heating and Hot water options
    • #1
    • 1st Oct 18, 6:11 PM
    Electric Heating and Hot water options 1st Oct 18 at 6:11 PM
    Hello I have recently purchased a new home. 2 bed and 1 bathroom, myself and gf will be living there. The property only has electricity supplied and no gas (gas is not supplied to the whole area) There is no boiler (it was there but removed) and 3 wet radiator's plumbed in and pipe work for hot water for bath, bathroom sink and kitchen sink. There is also a wood burner in living room and no radiator.
    My question is what's the best and cheapest option in the long run regarding heating and hot water?
    A electronic combi boiler? Rads look old and possibly need replacing. Also heard these can be expensive to run.
    Or maybe electronic rads all round including living room and a boiler that only heats up hot water for the taps mentioned in place of a combi boiler?
    Help would be appreciated as I have no knowledge of these systems at all.
    Also I've heard of instant hot water heaters that go under individual sinks but I'm not keen on idea of these and cost to wire them to power. Thank you.
Page 1
    • Elite1986
    • By Elite1986 1st Oct 18, 6:16 PM
    • 6 Posts
    • 0 Thanks
    Elite1986
    • #2
    • 1st Oct 18, 6:16 PM
    • #2
    • 1st Oct 18, 6:16 PM
    Forgot to add we also have an electric shower and very rarely use a bath...like two in the past year.
    • jk0
    • By jk0 2nd Oct 18, 7:52 AM
    • 3,182 Posts
    • 26,916 Thanks
    jk0
    • #3
    • 2nd Oct 18, 7:52 AM
    • #3
    • 2nd Oct 18, 7:52 AM
    Presumably you have a hot water tank? Then get an E7 timer for the immersion, and ask supplier for E7.


    For heating, use direct heaters in the bedrooms, and 2nd hand storage heaters in living rooms. You can get a spur box timeswitch for these, so don't need to have new wiring put in if you keep under 7kw.


    In the evening, top up living room heat with wood burner.
    • Elite1986
    • By Elite1986 2nd Oct 18, 4:50 PM
    • 6 Posts
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    Elite1986
    • #4
    • 2nd Oct 18, 4:50 PM
    • #4
    • 2nd Oct 18, 4:50 PM
    Thanks for the advice. There is no hot water tank, nothing but the copper pipes leading to hot water taps (3) and radiators (3). We would use very little hot water...like mostly jus washing a few pots. Maybe a electric tankless water heater for hot water needs would be cheaper overall.
    Thank you
    • molerat
    • By molerat 2nd Oct 18, 5:01 PM
    • 21,395 Posts
    • 15,653 Thanks
    molerat
    • #5
    • 2nd Oct 18, 5:01 PM
    • #5
    • 2nd Oct 18, 5:01 PM
    What type of boiler was there previously? An electric combi would be the last choice, probably the most expensive form of heating out there and akin to burning £10 notes !


    Price per kWh comparison of different fuels here https://www.confusedaboutenergy.co.uk/index.php/domestic-fuels/fuel-prices
    Last edited by molerat; 02-10-2018 at 5:37 PM.
    https://www.helpforheroes.org.uk/give-support/donate-now/
    • jk0
    • By jk0 3rd Oct 18, 7:19 AM
    • 3,182 Posts
    • 26,916 Thanks
    jk0
    • #6
    • 3rd Oct 18, 7:19 AM
    • #6
    • 3rd Oct 18, 7:19 AM
    Thanks for the advice. There is no hot water tank, nothing but the copper pipes leading to hot water taps (3) and radiators (3). We would use very little hot water...like mostly jus washing a few pots. Maybe a electric tankless water heater for hot water needs would be cheaper overall.
    Thank you
    Originally posted by Elite1986

    My aunt used to have one of these over her kitchen sink:






    Maybe you could get one and heat it overnight?
    • Elite1986
    • By Elite1986 3rd Oct 18, 9:22 PM
    • 6 Posts
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    Elite1986
    • #7
    • 3rd Oct 18, 9:22 PM
    • #7
    • 3rd Oct 18, 9:22 PM
    Thanks. Maybe my best option with regards to heating would be electric rads (used carefully so my bills arnt sky high) and wood burner for really cold nights. As electronic boilers seem a no no. A storage heater for hot water needs (heated over night) but don't feel I would use so much hot water, maybe a under sink inline water heater aleast for now.
    Thanks for the input guys
    • Elite1986
    • By Elite1986 3rd Oct 18, 9:25 PM
    • 6 Posts
    • 0 Thanks
    Elite1986
    • #8
    • 3rd Oct 18, 9:25 PM
    • #8
    • 3rd Oct 18, 9:25 PM
    An electric combi was there previous but for some reason was removed. All the plumbing still there to radiators and taps. No idea why it was removed do know the property was a holiday let before hand.
    • jk0
    • By jk0 3rd Oct 18, 10:47 PM
    • 3,182 Posts
    • 26,916 Thanks
    jk0
    • #9
    • 3rd Oct 18, 10:47 PM
    • #9
    • 3rd Oct 18, 10:47 PM
    Electric radiators are going to be similarly expensive to run as an electric combi boiler.


    The reason I keep banging on about storage heaters and off peak water heating is because it will be around half the running cost.


    (You did ask what is the best and cheapest long run option.)
    • Elite1986
    • By Elite1986 6th Oct 18, 2:29 PM
    • 6 Posts
    • 0 Thanks
    Elite1986
    I have decided on a lpg combi as I don't use much heating or hot water. Oil is way to expensive to install for me. And don't feel storage water heater would be ideal for my needs as I need little hot water on demand rather than plan in advance to just wash the pots.
    Thanks for everyone's advice.
    • mrsyardbroom
    • By mrsyardbroom 25th Oct 18, 5:25 PM
    • 1,740 Posts
    • 2,808 Thanks
    mrsyardbroom
    The people I've known who have had lpg have found it very expensive. Our neighbours over the road changed from lpg to oil for that reason.
    Don't mess with pensioners.
    • Mister G
    • By Mister G 25th Oct 18, 5:33 PM
    • 1,162 Posts
    • 706 Thanks
    Mister G
    The people I've known who have had lpg have found it very expensive. Our neighbours over the road changed from lpg to oil for that reason.
    Originally posted by mrsyardbroom
    They've obviously not got a good deal on their LPG.

    I pay 30p/litre which is way cheaper than oil at present.

    Also an LPG boiler is about 30-50% cheaper than an oil boiler
    • J B
    • By J B 25th Oct 18, 6:26 PM
    • 3,520 Posts
    • 1,348 Thanks
    J B
    They've obviously not got a good deal on their LPG.
    I pay 30p/litre which is way cheaper than oil at present.
    Originally posted by Mister G
    but, a litre of oil doesn't have the same heat output as a litre of LPG
    • Mister G
    • By Mister G 26th Oct 18, 9:58 AM
    • 1,162 Posts
    • 706 Thanks
    Mister G
    but, a litre of oil doesn't have the same heat output as a litre of LPG
    Originally posted by J B
    Indeed, but taking that difference into account (Oil 10.35 kWh/litre, LPG 7.11 kWh/litre) and with the current price of oil at about 49-50p/litre, it still works out about 12% cheaper.

    Also LPG is cleaner and far less likely to get stolen!
    • G_M
    • By G_M 24th May 19, 1:19 PM
    • 49,631 Posts
    • 61,625 Thanks
    G_M
    You have an electric shower and don't use the bath, so that's the bathroom sorted.


    Not much washing up? Use a kettle to heat what/when you need.


    For space heating, Rip out the rads and piping and replace with storage heaters on E7 - will be the cheapest way to go. Top up with stove and/or one electric on demand heater.
    • danrv
    • By danrv 6th Jul 19, 11:46 AM
    • 87 Posts
    • 6 Thanks
    danrv

    For heating, use direct heaters in the bedrooms, and 2nd hand storage heaters in living rooms. You can get a spur box timeswitch for these, so don't need to have new wiring put in if you keep under 7kw.
    Originally posted by jk0
    Iím looking at a similar heating scenario. Just curious about the spur box time switch suggestion.
    Would this mean you wouldnít necessarily need a timed E7 circuit to install a small number of storage heaters?
    I have E10 (one 10hr block) on all downstairs 13a sockets on a 32a circuit. Would change to E7
    for more tariff choice.
    • jk0
    • By jk0 6th Jul 19, 12:45 PM
    • 3,182 Posts
    • 26,916 Thanks
    jk0
    I’m looking at a similar heating scenario. Just curious about the spur box time switch suggestion.
    Would this mean you wouldn’t necessarily need a timed E7 circuit to install a small number of storage heaters?
    I have E10 (one 10hr block) on all downstairs 13a sockets on a 32a circuit. Would change to E7
    for more tariff choice.
    Originally posted by danrv

    Exactly. Add up all the wattages of the heaters. As long as you are under 7kw or thereabouts, you should be okay to use the ring main.



    This arrangement will not comply with building regs, (nor will second hand storage heaters, come to that.) Just seems to be a pragmatic solution.
    • danrv
    • By danrv 6th Jul 19, 4:16 PM
    • 87 Posts
    • 6 Thanks
    danrv
    Exactly. Add up all the wattages of the heaters. As long as you are under 7kw or thereabouts, you should be okay to use the ring main.



    This arrangement will not comply with building regs, (nor will second hand storage heaters, come to that.) Just seems to be a pragmatic solution.
    Originally posted by jk0
    Thanks, very helpful.
    I assume itís the storage element rating I need to be looking at for power consumption.
    Looking at the manuals of Dimplex Quantum and Elnur SSH heaters, it looks like the Elnurís charge times can be set by the user so no need for a timed spur box.
    The Quantums I think need a timed power feed.

    Dimplex Quantums do seem to be the ultimate in storage heater technology but the Elnur ones look pretty smart too.
    • Talldave
    • By Talldave 7th Jul 19, 1:12 AM
    • 458 Posts
    • 266 Thanks
    Talldave
    If you are setting timers to coincide with an E7 tariff you need be sure what times the meter switches and stay well within the range. E7 times often don't change with BST so will be at different times under GMT/BST, but if you set timers once and don't touch them for GMT/BST you'll be ok.
    • danrv
    • By danrv 7th Jul 19, 10:21 AM
    • 87 Posts
    • 6 Thanks
    danrv
    If you are setting timers to coincide with an E7 tariff you need be sure what times the meter switches and stay well within the range. E7 times often don't change with BST so will be at different times under GMT/BST, but if you set timers once and don't touch them for GMT/BST you'll be ok.
    Originally posted by Talldave
    Thanks,
    The BST/GMT changes are no doubt why my E10 block has shifted over the years from 10.00pm - 8.00am to 5.10am - 3.10pm.
    It really is in a pickle. The Unidare warm air storage heater (has recently stopped charging) is on a mechanical timer which is hours out. Iím not sure if the timer is set to work in sync with the E10 metre. Thereís a sticker on it that says ĎReset 27/2/98.í
    If it can be fixed I can get the timer/E10 sync checked and hopefully be back up and running.
    Otherwise Iíll replace with modern storage heaters on an E7 tariff hence my original interest in
    installation and wiring.
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