Which heater can I use to heat a small room that will heat comfortably that uses the least amount of electricity? "Oil filled radiator" and Infrared heater like Edenpure or Heatsure? or something else
what about a "heat pump" tell me what you know, and please provide a source of info.
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Bramble
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The neat thing about heat is that you get all of the energy you use in the form of heat. 100% of the electrical energy you draw is converted to heat. Actually this is true no matter what purpose or application you draw the energy for; it always ends up as heat. With a heater you get all the energy immediately. So "efficiency" is not a fundamentally useful concept for heaters.
Having said that, it still makes sense to look at the application. If your small room is "the small room" and you only want to heat it when you're in there, then you don't want a heater that takes 15 minutes to warm up - an infrared would make sense. but that might be less comfortable for heating a small room where you sit around for hours because of the radiation. An oil filled radiator well placed under a window could prove to be much more comfortable, providing warm air and preventing draughts.
A heat pump is not in itself a heater. It's a method of gathering energy which would be best applied to low temperature radiators in order to avoid pumping the heat to too high a temperature.which is inefficient in the true sense (efficiency is an issue here!). You can get tons on info. on the net. Just Google "heat pumps"