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In addition to the purchase price of an appliance or device, the energy cost of using that device must also be considered when computing total cost. For example, an energy-efficient appliance may cost more to purchase that a standard appliance with similar features, but that higher purchase price may be offset by future energy savings. This applies to any household item which consumes electricity: refrigerators, televisions, computers, light bulbs, etc. This calculator will determine the yearly cost of electricity to operate a device, given its wattage, average time of use, and the unit cost of electricity. This information can then be taken under consideration when making purchasing decisions. |
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