Oil radiator heater or electric heater?

I assume you mean by "oil radiator" an oil filled radiator, these are like a central heating radiator, but filled with oil with an electric heating element incorporated. This heats the oil which circulates by convection within the radiator giving a fairly even surface temperature. So both the appliances you mention are heated by electricity. With few exceptions, electrical heaters operate at 100% efficiency. You put 1kW of energy in and you get 1kW of energy in the form of heat out. So no difference there. As someone has said, an oil filled radiator takes longer to cool down when turned off, but takes longer to heat up when turned on whereas an electric fire has a more immediate response, so again no difference in energy use there. An oil filled radiator however has two main advantages over an electric fire. It would be safer to use in an attic as there is no exposed hot element to cause a fire if positioned near combustible materials and most come with a built in thermostat to allow the heat ouput to be controlled, so I would go for the radiator.

There is another form of electric heater which would have a small running cost advantage over the above. This is a radiant heater, which will warm you rather than the surrounding air, but I would only consider these viable for difficult heating applications such as churches, factories etc with high ceiling heights. They can be quite difficult to position effectively in rooms with normal ceiling heights, but are ok for smaller rooms such as bathrooms.

Electric Oil Heater

Oil Radiator Heater

Oil Radiator Heater it does take a few minutes to heat up but it is less likely to start a fire.......I also have an oil radiator heater and its just fine.

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I haven't compared them, but I had one electric baseboard heater last winter. I was worried how much higher my electric bill would be, so I used it sparingly. I kept the forced air furnace thermostat very low. I noticed after the 2nd month that using it like that dropped my normal bill vs. the furnace alone. This year, I bought 2 more Lasko portable space heaters. I am going to use them alot to see how much more the electric bill will be. These models (6250? something like that) have digital thermometers and timers that increment hourly from 1hour to 8 hours. I hope this helps!

I recently bought a Vectra Electric Heater that does have a cut off point when the room reaches an average temperature however others are telling me to but a Halogen Heater that they tell me only costs 4p an hour?

I have been doing alot of checking up on the Eden Pure room heaters, They use infrared lights inside of case that heats up copper tubes and gets blown out vents all around the casing by a quiet blower. Small heater heats I think , 550sq.ft and larger one heats 1,000 sq.ft. And they say a cat can sleep on top of unit and not get burned. Check out their website below

electric are more instant in thier heat output than oil they take longer to heat up so it depends on how you use the rooms. You could also look into greenhouse heaters with lower consumption just to keep the frost away but dont warm up that warm, hope thats a help.

Oil radiator with a couple of heat settings plus a thermostat,,,,,,,,,so when the room gets to a certain temperature it switches itself off ,,,and on again,,,,saving money,,,,

They are probably close to the same efficiency. I have been using one and then the other recently and it seems that the radiator heats a bit better, probably because of the larger surface area of the fins.