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Electric Central Heating (NOT Night Storage)
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# 1
davidrt
Old 30-08-2006, 12:45 PM
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Default Electric Central Heating (NOT Night Storage)

Has anyone used or have running costs for the above using E7. It is a small electric boiler that is used to heat normal radiators eg Aztec Classic 9kw http://www.trianco.co.uk/aztec_classic.cfm

I am seriously thinking of changing from Night Storage to the above. The plumber suggest it is same running costs as NS. To heat from cold would be
9 x say 12p /hour wich is expensive. Appreciate would be cheaper for couple of hours first thing in morning at cheap rate but in evening you would use
peak rate. (also have wood burner for living room) . Out all day m - f.
As with other posts NS is useless in the evenings.

Suppliers and manufacturers seem only to quote the obvious of how much it costs to heat up but not give comparisons for average say typical 2/3 bed semi.
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# 2
peat
Old 31-08-2006, 11:18 AM
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I think that if you propose to go over to wet electric central heating it will only be economical if you live in an area where you can get the economy 10 tariff. This gives 10 hours of cheap electricity in three tranches - early morning, midday and late evening. I have just put in a wet electric system but have yet to go through a winter so I can not really verify running costs.
Things are looking reasonably promising at this stage though.
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# 3
davidrt
Old 04-09-2006, 10:33 PM
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Quote:
Originally Posted by peat
I think that if you propose to go over to wet electric central heating it will only be economical if you live in an area where you can get the economy 10 tariff. This gives 10 hours of cheap electricity in three tranches - early morning, midday and late evening. I have just put in a wet electric system but have yet to go through a winter so I can not really verify running costs.
Things are looking reasonably promising at this stage though.

Many thanks for info. I did try converting to E10 over a year ago but S.Elecrtric and Npower would not convert who I was led to believe were the only providers. I have now just signed up with Scot Hydro. So even if I decide not to convert I will be better off with evening heating times etc.
Could you give me some ideal of your system and how long it takes to heat up some radiators etc - appreciate you may not yet have on full blast. You can contact me through private e-mail if you wish.
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# 4
campbellme
Old 06-10-2006, 12:16 PM
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Hope you don't mind me contacting you. I have E10 wet central heating system but found there is a mismatch between the boiler switching times and the meter switching. The teleswitch which controls the boiler operates on GMT and the meter changes as the clocks go forward and back so operates half the year on GMT and half on BST. This means during the BST period in effect we only get 7 hours at off peak rate and the boiler is switched on for 3 hours at full rate. Just wondered if you have experienced this problem. Thanks Marilyn
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# 5
peat
Old 06-10-2006, 2:14 PM
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Davidrt, because I use a thermal store system as described in the info that I pm'd you, there is always a store of hot water so you can have heat in your radiators almost immediately.
Cambellme, can you not alter the settings on your boiler? I have a timer which I have set so that the boiler only comes on during the three off-peak tranches. There are also controlls to set to when I want the central heating pump to come on and off to suit our lifestyle.
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# 6
tasman76
Old 10-10-2006, 6:38 PM
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Default Electric Central Heating

Hi folks

I live in a flat in Glasgow and currently use an electric immersion to heat my water, and storage heaters to heat my flat. I've tried to email one of the local suppliers about this, just to see what their thoughts are, as I'd like to move away from the storage heaters. This is due to the fact that a majority of the heat seems to get used when I'm at work (9am-5:30pm), with the added fact that they look a bit old fashioned. Unfortunately, the local business never got back to me.

Have any of you got any advice in changing over from Storage Heaters to real radiators? One of my pals has just bought a new flat, and all his heaters are electric, but they don't facilitate Economy 7 or the like.

Any advice would be appreciated.

Kind regards
Tasman
Smile and be happy, things can usually get worse!
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# 7
peat
Old 21-10-2006, 10:25 AM
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see this thread

http://forums.moneysavingexpert.com/...87#post3152887
also this info that Ipm,d another member

I have opted for a thermal store system which works the reverse of conventional systems in that the radiators and electric heater and thermal store are directly connected. Whereas the hot water is supplied from a cold water feed and goes through a heat exchanger within the thermal store. See the thermal store system here but I use a 12kw electric boiler rather than gas.
http://www.cda.org.uk/Megab2/build/h...s/domestic.htm
Trying to convince tradesmen to install this system is a bit of a nightmare though "It'll never work"etc.
And bear in mind the caveat that I have yet to go through a winter, this is all a bit of an experiment on my part.

Last edited by peat; 21-10-2006 at 11:52 AM.
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# 8
tasman76
Old 31-01-2007, 1:02 PM
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Quote:
Originally Posted by peat
see this thread

http://forums.moneysavingexpert.com/...87#post3152887
also this info that Ipm,d another member

I have opted for a thermal store system which works the reverse of conventional systems in that the radiators and electric heater and thermal store are directly connected. Whereas the hot water is supplied from a cold water feed and goes through a heat exchanger within the thermal store. See the thermal store system here but I use a 12kw electric boiler rather than gas.
http://www.cda.org.uk/Megab2/build/h...s/domestic.htm
Trying to convince tradesmen to install this system is a bit of a nightmare though "It'll never work"etc.
And bear in mind the caveat that I have yet to go through a winter, this is all a bit of an experiment on my part.
Peat - Just wondered how you've been getting on with your new system?
Cheers
Tasman
Smile and be happy, things can usually get worse!
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# 9
peat
Old 01-02-2007, 10:52 AM
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The system is going ok. Last bill for Oct-Jan was 352. There are short periods during the peak electricity times when the stored hot water has mostly been used prior to the water being heated again at off-peak times. At these times the rads are warm rather than hot but room temp does not fall below 18 degrees so I'm happy to live with this rather than turn the boiler on at peak times ( I'm too miserable).
Had a problem with the boiler tripping out but Heatrae Sadia sent an engineer who deduced that it was due to fluctuations in my electricity supply and added a capacitor to the boiler which seems to have sorted the problem.
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# 10
peat
Old 03-02-2007, 7:04 AM
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The "cold" spells are because I have used the heat that was stored in the thermal store, it could be boosted by using a bit of peak price electricity but I choose not to. The stored water does not go anywhere - the temperature reduces as the heat is radiated off via the radiators or used to heat water for washing etc. The speed at which the temperature reduces will depend on the demand which will be affected by your lifestyle and the weather and the efficiency of the buildings insulation.
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# 11
samtheman1k
Old 13-07-2007, 12:40 PM
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Quote:
Originally Posted by peat View Post
see this thread

http://forums.moneysavingexpert.com/...87#post3152887
also this info that Ipm,d another member

I have opted for a thermal store system which works the reverse of conventional systems in that the radiators and electric heater and thermal store are directly connected. Whereas the hot water is supplied from a cold water feed and goes through a heat exchanger within the thermal store. See the thermal store system here but I use a 12kw electric boiler rather than gas.
http://www.cda.org.uk/Megab2/build/h...s/domestic.htm
Trying to convince tradesmen to install this system is a bit of a nightmare though "It'll never work"etc.
And bear in mind the caveat that I have yet to go through a winter, this is all a bit of an experiment on my part.

Hi Peat,

the second link that you provide doesn't seem to work for me Could you post it again please?

Also, now you've had a winter with your electric wet system, how do you think that it compares to night storage heaters?

Thanks!
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# 12
paulclarke
Old 21-01-2008, 12:04 PM
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Hi Sam

I've been following the thread as I'm just starting to think about getting rid of my E7 storage heaters and looking at alternative electric heating (gas not in house and also non-sustainable) and worked out the link you wanted:

http://www.cda.org.uk/megab2/build/h...s/domestic.htm

I'll hopefully be going for a wet electric system, but am only a day in to beginning research. Currently my E7 is next to useless. I also need to sort insulation, but have an old 1930s bungalow with lath and plaster walls, so cavity insulation is not an option (i don't think) ... will have to post that somewhere else i think ...

anyway, good luck
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# 13
samtheman1k
Old 23-01-2008, 9:43 AM
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Going for a straight 'on demand' electric wet heating system will be expensive to run. You could try the Gledhill electramate that is a thermal store that heats up at off peak times (subject to an E10 tariff) and distributes it during the peak times. I guess it will work out cheaper (approx 5-6p/kwh), but no idea how well it will work (i.e. if the water store is sufficient supply the rads for long enough).

Alternative, a heat pump based solution will be cheaper to run, although more expensive to buy and dependant of if you have enough ground for a ground source, or enough space to suppress the noise from an air source system.

I've been looking into this for ages, so will try to help if you have any questions.
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# 14
joolski
Old 10-04-2008, 4:31 PM
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Cool underfloor electric heating?

Hi there,

Has anyone has any experience of electric underfloor heating, I have no idea of the installation costs or even if even anyone has an idea of the running costs.

I was considering putting underfloor heating throughout my house and having just a gas boiler for hot water. My gas central heating system is rather old and a new combination boiler will not be cheap to install, also the gas bills and boiler cover all adds up!

Any thoughts welcome,

jools.
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# 15
Cardew
Old 10-04-2008, 6:48 PM
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Default

Quote:
Originally Posted by joolski View Post
Hi there,

Has anyone has any experience of electric underfloor heating, I have no idea of the installation costs or even if even anyone has an idea of the running costs.

I was considering putting underfloor heating throughout my house and having just a gas boiler for hot water. My gas central heating system is rather old and a new combination boiler will not be cheap to install, also the gas bills and boiler cover all adds up!

Any thoughts welcome,

jools.
With ANY electric heating running on a daytime tariff running costs will be very high, there is no more expensive way of heating.
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# 16
mute_posting
Old 10-04-2008, 10:57 PM
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Default Switching times GMT Vs BST

Quote:
Originally Posted by campbellme View Post
The teleswitch which controls the boiler operates on GMT and the meter changes as the clocks go forward and back so operates half the year on GMT and half on BST. This means during the BST period in effect we only get 7 hours at off peak rate and the boiler is switched on for 3 hours at full rate. Just wondered if you have experienced this problem. Thanks Marilyn
Don't know if you have sorted this Marilyn, I think the manufacturers are stuck between a rock and a hard place - if they make it work for some people, others will loose out because each region does off-peak differently.

The table at the bottom of this page gives the times for economy 10 (correct 2004)

http://www.heatandcool.co.uk/13.html

as you can see some regions are GMT others are local clock)

Can you not adjust the times on your boiler (only need to do it twice / year) to match your off peak - if you're gaining the 3 hours back the effort would be well worth it if it is possible!

HTH

MP
:confused: I have a poll / discussion on Economy 7 / 10 off-peak usage (as a % or total) and ways to improve it but I'm not allowed to link to it so have a look on the gas/elec forum if you would like to vote or discuss.
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# 17
samtheman1k
Old 11-04-2008, 9:39 AM
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Quote:
Originally Posted by joolski View Post
Hi there,

Has anyone has any experience of electric underfloor heating, I have no idea of the installation costs or even if even anyone has an idea of the running costs.

I was considering putting underfloor heating throughout my house and having just a gas boiler for hot water. My gas central heating system is rather old and a new combination boiler will not be cheap to install, also the gas bills and boiler cover all adds up!

Any thoughts welcome,

jools.
I expect that the cost of replacing your boiler with a new efficient one will be far cheaper in both the short and long term than laying electric UFH.
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# 18
jbx
Old 17-08-2008, 9:58 AM
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Quote:
Originally Posted by campbellme View Post
Hope you don't mind me contacting you. I have E10 wet central heating system but found there is a mismatch between the boiler switching times and the meter switching. The teleswitch which controls the boiler operates on GMT and the meter changes as the clocks go forward and back so operates half the year on GMT and half on BST. This means during the BST period in effect we only get 7 hours at off peak rate and the boiler is switched on for 3 hours at full rate. Just wondered if you have experienced this problem. Thanks Marilyn
Hi
I am going to have wet electric central heating installed by a company in Glasgow. Scottish Power have a tariff called ECONOMY 2000 which gives you 18 hours of off peak electricity. I have this for underfloor heating (Broken) hence the move to wet CH. The tariff cost at the moment is 5.175 pence per unit (If you pay by Direct Debit). Hope this is of interest.
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# 19
rustle001
Old 29-10-2008, 9:29 AM
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Default

Quote:
Originally Posted by jbx View Post
Hi
I am going to have wet electric central heating installed by a company in Glasgow. Scottish Power have a tariff called ECONOMY 2000 which gives you 18 hours of off peak electricity. I have this for underfloor heating (Broken) hence the move to wet CH. The tariff cost at the moment is 5.175 pence per unit (If you pay by Direct Debit). Hope this is of interest.
is it a thermaflow boiler you are having fitted? - http://www.thermaflowheating.co.uk/
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# 20
cp101
Old 22-04-2009, 12:43 PM
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Default Just Wondering

I've just moved out on my own for the first time. I have a 3 bedroom house and just moved in yay. I'm worried about the ammount of power the boiler is going to use.

Southern electric Economy 10 prices:-
Peak 13.86p
Off Peak 5.985p
Standing charge 19.857p per day
You get 5% for paying direct debit

E On
first 900kWh = 23.49
Then 10.01p
you get8.9% online discount, and 6% Direct Debt discount

Taking this in to account I have worked out that i would have to use over 50% of my total power within the off peak times to break even, so it cant be that much cheaper to have economy 7 or 10 can it? also that means I can use the power when I want, like have a bath when I need one.

What percentage of power does the boilder account for, I have alot of computers running, wont things like lights, cooker, kettle, tv added up at the end of the day.

Thank You, just incase im being silly
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