To calculate how much an individual appliance is costing you to run, follow these three simple steps:
SO, a portable heater with an input power of 2000 watts, or 2kW, will cost roughly 56 cents for every hour it is on. You can then multiply this by the number of hours per day you use the appliance to calculate a daily running cost.
The wattages of most appliances are on the packaging, or on a label on the back. Use the formula above to calculate the approximate running cost for any plug-in electrical appliance.
Energy rating labels help you compare appliances so you can and choose the most energy and water efficient, and save money on running costs.
The Energy Rating Calculator and app allows you to calculate the energy consumption and running costs for an appliance before you buy it.
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