Custom shape Electric radiator

This topic has 18 replies, 9 voices, and was last updated 14 January 2019 at 12:44 by pgk pgk.

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13 January 2019 at 18:01 #26395
Speedy Builder5
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@speedybuilder5
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13 January 2019 at 18:01 #390900
Speedy Builder5
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@speedybuilder5
I am looking for a domestic 240volt electric radiator which has been rolled to give an inside radius of about 600mm, height 300mm and length about 1000mm. Has anyone any experience of companies who can make a one off, or ideas etc.
BobH
13 January 2019 at 18:34 #390904
HOWARDT
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@howardt
**LINK**. Could give these a ring. Not specifically what you want but remembered looking here in past. May be able to point you in the right direction.
13 January 2019 at 18:55 #390907
blowlamp
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@blowlamp
A few years ago I managed to curve three radiators to fit the bays at home and these were doubles as well.

Once I'd separated the front from the back panel, I was pleasantly surprised how easy it was to curve said panel by leverage and applying weight in the right place. Single panel rads are a doddle in comparison, so you might be able to do what I did, but I have no idea what you'd do about the heating elements.

Martin.
13 January 2019 at 19:11 #390909
Phil Whitley
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@philwhitley94135
Domestic oil filled radiator has an element along the bottom, which as above post says, would need to be curved, not easy. Could you custom make a metal box to suit, and fit a convector heater element to it? I think a rethink is required!
13 January 2019 at 19:23 #390911
JasonB
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@jasonb
Both Bisque and Zehnder will do several of their radiators in custom shapes and often with electric options, I 've only had custom size flat ones though. They are also considerably more expensive than a pressed panel rad would be.

Edited By JasonB on 13/01/2019 19:24:17
13 January 2019 at 19:33 #390913
David George 1
Participant
@davidgeorge1
Hi I used to fit electric elements to various pieces of steel etc to usually heat steel manifolds to keep plastic molten when moulding parts and I would order an electric element of the correct length bend it to suit the area to be heated and sometimes press into grooves with a press. Sometimes I had to heat oil to pass through passages in the tooling and in this instance the element would be bent to suit the passage. The only drawback is the controler I used was a separate box with connections for heater and thermocouple to regulate temperature. I havn't seen the controler for oil filled radiators but possibly could be used in this instance.

David
13 January 2019 at 19:58 #390922
Speedy Builder5
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@speedybuilder5
Thanks for the info, and keep it coming. I did wonder if I could roll an existing flat panel oil filled radiator, I may see if I can find one at the junk shop, roll it as an experiment. It may take sometime to find one!
13 January 2019 at 20:25 #390927
blowlamp
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@blowlamp
Posted by Speedy Builder5 on 13/01/2019 19:58:35:

Thanks for the info, and keep it coming. I did wonder if I could roll an existing flat panel oil filled radiator, I may see if I can find one at the junk shop, roll it as an experiment. It may take sometime to find one!

Do you think you could convert a conventional central heating radiator for your purposes? I know that electric heating elements are available for bathroom rads for use in the summer months when the central heating is usually off, but you want a bit of warmth for comfort when bathing.

Martin.
14 January 2019 at 06:59 #390954
Speedy Builder5
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@speedybuilder5
I am looking towards old age !! Our current heat source is a log stove in a smaller stone cottage, no town gas, bottled gas and oil are expensive and on their way out. When age creeps on, do I want to saw up logs, split, stock, stack them etc – probably not.
It seems electricity is the "Cleaner" fuel. I don't have room for geothermic, and can't afford a deep drilling for heat. Electric panel radiators could be an option, however in the centre of the lounge, we have a round 'island' about 1m diameter, and I would like to support a rad on one face – hence requirement for a curved rad. If I use a CH rad, could I bend the heat element to follow the 600mm radius of the radiator ??
BobH (SW France where winter temps plummet to -16 deg C on a regular basis – in spite of UK government saying we are too hot for fuel allowance !)
14 January 2019 at 07:30 #390956
JasonB
Moderator
@jasonb
You are only likely to get about 700w out of a radiator of that size, small wood burner puts out about 5kw so may be a bit chilly.

Can you not buy logs in France?
14 January 2019 at 08:01 #390964
Ron Laden
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@ronladen17547
Is it not possible to get narrow electric panel radiators..? I remember seeing some (cant remember where) but they were very slim and about a metre tall and something like 300mm wide mounted on a wall. If various sizes are available could you mount 3 or 4 or however many around the island following the radius. I would guess that if available they will be low wattage…500w..? in which case you would need a bank of them to get a decent output.

Just a thought..?
14 January 2019 at 08:14 #390965
Speedy Builder5
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@speedybuilder5
Hi Jason, logs – yes, but in 10 years time, will they still be CO2 neutral ?? Also, we burn 4- 6 tons of logs a year – Would I still be active enough to lug those inside, and empty the ashes. My curved radiator would have other wall mounted ones elsewhere to do the bulk of the heating. I was hoping for a continuous curved radiator for the aesthetic looks as well as heat output. Looking for comfort in my old age !!
14 January 2019 at 08:28 #390968
Ron Laden
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@ronladen17547
Posted by Speedy Builder5 on 14/01/2019 08:14:04:

Hi Jason, logs – yes, but in 10 years time, will they still be CO2 neutral ?? Also, we burn 4- 6 tons of logs a year – Would I still be active enough to lug those inside, and empty the ashes. My curved radiator would have other wall mounted ones elsewhere to do the bulk of the heating. I was hoping for a continuous curved radiator for the aesthetic looks as well as heat output. Looking for comfort in my old age !!

Speedy, if you have wall mounted radiators for the main heating can I ask why you need one mounted in the centre of the room..?

Ron
14 January 2019 at 10:43 #390979
pgk pgk
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@pgkpgk17461
If a reverse flow air con system is within budget then running costs for heat should be less than a direct element option with (obviously) summertime cooling for more comfort. I've got a couple of Daikin inverter air pump systems here – main bedroom and main living room – to top-up the woodburner effect on really cold days and make those heatwave periods tolerable… and save lighting the woodburner when it's just a wee bit chilly or I can't be bothered with the mess.

pgk
14 January 2019 at 10:49 #390981
Ian S C
Participant
@iansc
The elements in my "Night Store" heater could be bent to any shape you want. From what I remember the ones(3 of them)in my heater are folded in a rectangle about 300 mm x 400 mm, 1Kw each.

Ian S C
14 January 2019 at 10:50 #390982
Speedy Builder5
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@speedybuilder5
Ron, because I have very poor circulation and instead of raising the whole house to suit, keep things at an ambient temperature and have some local heat (seat by the curved radiator) for personal comfort.
Yes, yes – move the seat – but why should I ?
14 January 2019 at 10:51 #390983
Speedy Builder5
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@speedybuilder5
Pkg – How well does reverse flow work when its – 6 deg C or more ?
14 January 2019 at 12:44 #390998
pgk pgk
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@pgkpgk17461
Posted by Speedy Builder5 on 14/01/2019 10:51:58:

Pkg – How well does reverse flow work when its – 6 deg C or more ?

It heats the room just fine even colder than that.

When i had my clinic all theatres and consulting rooms/offices were only heated/cooled by aircon – 16 units in all and whilst that was Sth London there were still some bitter nights well below 6C. The only issue was that they were mitsubishi units with service agreements at that time and 3 motherboards went out and a few condensation pumps (from the rooms deepest within the complex that couldn't drain by gravity) plus some regassing

An aircon engineer advised Daikin for my previous house as being reliable and the 12yrs that was installed i never even bothered having it serviced. Here the two Daikin units have been in for 6yrs+ again with no issues and Wales can get bloody cold too. All they ever did on the service calls was tap out the dust filters anyway – a simple DIY job.

One of the current units is supposed to be equivelent to a 6KW heater. When it was installed and tested i questioned the thin cable going to it. The installer fired it up and put a meter on it to show me it was only drawing 3 Amps – which I still find unbelievable.

pgk
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