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  #1  
Old 25-04-2015, 18:07
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jodie1978 jodie1978 is offline
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Default Low energy heating ?

Hiya all, I was talking to someone a few weeks back a they was talking about electric heaters for caravans, I was telling them how pants our ones that had previously been fitted in our van before we bought it. Does anyone know of a low running cost electric heater that's slim design an can be fitted onto walls that offer decent heat for our none CH or DG van please ! Thanks in advance
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Old 25-04-2015, 20:17
RRRob RRRob is offline
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You can't beat physics I am afraid. The warmer the heater, the higher the running cost. However, as you say, the panel heaters supplied to most caravans are woefully underpowered. You could replace your panel heaters with convection panels like this which are 1Kw each. One would easily heat the master bedroom and another the hallway and another the lounge area. The trouble is, these 3 wall heaters would draw 3Kw of power from your supply. The biggest problem in a caravan is not the cost of the heat which would probably be about 60p an hour for all 3 depending on how much you pay for your electricity. The biggest problem would be how many amps does your caravan park supply to each caravan? 3 of these or similar heater would probably take up your entire caravan electricity supply. They would probably run OK but as soon as you turned on another high energy item such as a kettle, microwave, halogen oven etc, you would be forever tripping your supply.
So first you have to find what your caravan supply is in amps and then you will know what kind of heating you can use. Another thing you could buy are slimline oil filled radiators many of which can also be bracketed to a wall. But you would still have the same problem as to how much amperage they would draw. You could probably get away with using 3 1Kw heaters with care as long as you remembered to turn them on only when you were not using any other high energy devices say maybe, an hour or so before bedtime for the one in the main bedroom and as needed elsewhere but always mindful of your maximum supply. Thats the main reason caravan panel heaters are so low powered so as not to trip the mains supply. This can become a right pain after a while. Whatever you do, make sure you get a qualified electrician and approval from the site owner before you proceed. Also make sure the electricial supplies a safety certificate. If you don't do this, you may find you won't be allowed to sell on your caravan should you decide to upgrade. One van on our park was removed last season because the van owner had fitted the heaters himself and without a safety certificate, the site owner would rightly not allow him to sell the van on site to anyone else.
Here is an example of a fairly cheap 1Kw panel heater as an idea but if you could use them and how many you could use depends on your electric supply.

http://www.qvsdirect.com/1000w-wall-...eV4hoC3y7w_wcB

Last edited by RRRob; 25-04-2015 at 20:47.
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Old 26-04-2015, 01:41
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jodie1978 jodie1978 is offline
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Thanks for your reply Rob, Yeh our site doesn't let us use to much at a time, to many items that draw heat quick trips electric xx
Something we r gone Ave to look Into as ppl tend to leave our crappie panel heaters on (maybe by accident) as they don't emit much heat hence forgetting they r probley on !! Am not one to moan but in one week my cousin used 30quid of electric an wen I walked in bedroom the panel heater was on
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Old 26-04-2015, 10:14
mick1950 mick1950 is offline
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that,s the problem with many sites on low ampage.a friend on our old park bought a chalet style static about 10 years ago.it was brand new with all the mod cons,and they bought it through the park.to this day they have never been able to use the built in washing machine/drier.
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Old 26-04-2015, 12:18
arronbrook arronbrook is offline
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Do you really need to have them slimline and fixed to the wall as a 2K watt OFR with variable heat setting could be moved around - cheap to buy and ecconomical to run compared to most heating options for caravans - you will find a huge number of people on here use them even when they have gas C/H we being amongst them.
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Old 26-04-2015, 18:13
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rainbow rainbow is offline
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Quote:
Originally Posted by arronbrook View Post
Do you really need to have them slimline and fixed to the wall as a 2K watt OFR with variable heat setting could be moved around - cheap to buy and ecconomical to run compared to most heating options for caravans - you will find a huge number of people on here use them even when they have gas C/H we being amongst them.
Is it really cheaper to run OFRs than to use gas central heating if you have it ?
Gas does look to be expensive but I would have thought electric heaters would be a bit expensive to run too.
It would be good to know.
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Old 26-04-2015, 19:24
RRRob RRRob is offline
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Heck yes! we find that gas heating from bottles is far more expensive than electric heating. Also, the gas fire is a wet heat and can cause condensation where as electric heat is dry. I don't have central heating in our van but our best friends on site do & they get through the large sized gas bottle in under 2 weeks. We use a 2Kw flame effect fan heater in our lounge area which costs 30p per hour to run continuously but as it has a thermostatic controller linked by radio signal to a wall mounted thermostat the fire will go on & off 3 or 4 times an hour so probably 15 to 20p per hour I estimate. OFR's would be the same for the 1Kw or 2 Kw setting.
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Old 26-04-2015, 19:37
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parkyrich parkyrich is offline
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Any body got a figure for LPG per kilowatt? Electricity is supposed to be sold at the suppliers price but the bottled gas price is variable. It would be good to be able to put a unit price comparison for gas/electric to see the difference in the different heating systems
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Old 26-04-2015, 19:45
treetopper treetopper is offline
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Quote:
Originally Posted by rainbow View Post
Is it really cheaper to run OFRs than to use gas central heating if you have it ?
Gas does look to be expensive but I would have thought electric heaters would be a bit expensive to run too.
It would be good to know.
We have piped gas and is priced per Cubic metre=2.50...and eleccy is per KWh =10 per unit...

Gas is not expensive to run if you use the timer .Ofrs it depends what wattage setting you have and also thermostat setting.

Our CH uses about 0.2units per hour= around 50p per hour.
If you have a 2.5kw Ofr=2.5 units per hour set at max and thermostat set to max=25p per hour...setting the OFR to low might be around 1kw so would then be 10p per hour...this is just a guide..

So it all depends how long you have different heating on for...,and what setting you have ALSO a Gas Fire will run away with Gas as they have no thermostat unlike an Eleccy fire..
So everyone would be different and also when you used your van.
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Old 26-04-2015, 19:53
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parkyrich parkyrich is offline
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You're comparing apples and oranges if you price the gas in cubic metres. I know it's how it's sold but there's a formula for converting the cubic metre price to kilowatts (used to be on gas bills but I've not had one of those for donkeys years lol). Also depends on the power of your CH. I assume you've got radiators in every room - you'd have to reckon on an OFR in every room to compare accurately.
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