How to Calculate an Electric Space Heater Per Kilowatt Hours
Though small in size compared to most high-energy appliances, such as air conditioners and refrigerators, electric space heaters use large amounts of energy to produce heat. This energy usage is significant enough to raise the electrical costs of a domicile. Calculating the per kilowatt hour rating of a heater is an important process when electrical costs are a concern. This calculation requires only basic math skills. Does this Spark an idea?
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Instructions
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Locate the electrical information label on the heater. This label is usually on the back side of the appliance. It is either a metal plate bolted to the appliance or physically stamped into the rear face of the heater. If this label is missing or has been removed, do not use the appliance.
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Locate the "Wattage" heading and take note of the number beside it. This is the peak wattage for the heater.
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Divide the wattage rating by 1000. The resulting quotient is the per kilowatt hour rating of the heater. For example, if the wattage value was 1500 watts, the per kilowatt hours would be equal to 1500 divided by 1000, or 1.5 kilowatt hours. This is the kilowatt hours the heater will add to your electrical bill every single hour.
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