Electric heaters, whether they are fan heaters, halogen heaters, oil-filled radiators or convector heaters are rated in Watts (W) or Kilowatts (kW). Find out what your heater is rated at, then use our energy calculator to see how much it will cost to run per hour, day or week.
|Power Rating||Per Hour||Per Day*||Per Week|
*based on 6 hrs a day at maximum output. Heaters with a thermostat will automatically turn off when required room temperature is reached.
Electricity costs are calculated using the USA: Average (February 2022) electricity rate of $0.15 per kWh.
Can you get energy saving portable electric heaters?
Unfortunately not, all portable electric heaters will consume the same amount of electricity and produce the same amount of thermal heat, relative to power input. The only difference will be in how they deliver the heat, e.g. fan heaters are a good choice for quick heating of specific areas of a room, as you can direct the heat.
What will affect the running cost of the heater?
The power/energy rating (watts or kWh) will dictate the running cost per hour of any heater. The most effective way to reduce running costs is to keep the heat in, insulating and reducing draughts will help keep bills down. Low cost solutions, such as heavy curtains, blinds, draught excluders will all help. Loft and cavity wall insulation, double-glazing can dramatically reduce heating bills too.
Central Heating Boilers
If you are about to replace your central heating or are building a new home please visit the Boiler Efficiency Database which allows you to view the SAP seasonal efficiency of thousands of Gas, LPG and Oil Boilers.
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You can compare the running costs and prices of thousands of electrical products with Sust-it, simply choose from the options below:
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Air Conditioning Units are listed under Heating & Cooling - click here to view their power consumption.