Apparantly, drytech heaters put out 30% more heat than a std oil heater, here's some discussion surrounding the output from the Advertising Standards Authority.
Even though all electric heaters are 100% efficient in terms of their output, there is clearly a difference in terms of how effectively they heat a room in real world situations. For example, imagine two heaters which are otherwise identical but which have different casings. One is a box made of thin metal, the other is a 1m cube concrete block. Turn them on and they will both use the same power and generate the same amount of heat. However I know which one will raise the room temperature by more in an hour.
talisker: Even though all electric heaters are 100% efficient in terms of their output, there is clearly a difference in terms of how effectively they heat a room in real world situations. For example, imagine two heaters which are otherwise identical but which have different casings. One is a box made of thin metal, the other is a 1m cube concrete block. Turn them on and they will both use the same power and generate the same amount of heat. However I know which one will raise the room temperature by more in an hour.
This. Oil heaters are slow to get started, but are silent and work fine once the room's up to temp. I use a different heater to heat the house (heat pump, fire, fan heater), then an oil heater to keep bedrooms warm at night.
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