How much does it cost to run a fan as Met Eireann forecast 26C 'mini-heatwave'

Met Eireann has predicted a week of sunny weather and high temperatures as Ireland bakes in a high-pressure system for the next few days.

Irish households aren’t built to cope with the heat like other European countries are, and so there are likely very few homes fitted with an air conditioning system.

Each summer, as the token few weeks of actual heat kick off, thousands of people invest in room fans in a bid to cool down, but are they going to add a fortune onto your already hiked electricity bills?

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It is worth knowing how expensive your fan will be to run, so you don’t come to the end of the month with a shockingly high bill arriving in your inbox.

How much energy does your fan use?

Finding out the wattage of the fan will help you determine just how much energy it is using while it is operating.

Sometimes the manufacturing companies are kind enough to put that information on the box the fan comes in - others leave it up to the customer to figure it out.

So, in order to determine the electrical usage, you are unfortunately going to need to do a little bit of maths.

To do this, the wattage needs to be converted into kilowatt-hours, by dividing the wattage by 1,000 and then multiple that by the about of hours you have the fan running.

So for example, if the fan you have is 80 watts you divide 80 by 1000 which is 0.08. If the fan is running for 16 hours a day you multiply 0.08 by 16 to get 1.28 kilowatt (or basically the amount of power the fan is going to be using up).

How much will the fan cost me?

Once you have calculated the kilowatts your fan will use it’s easier to calculate how much the fan is going to cost you.

In Ireland, one unit or one kilowatt of energy will cost you €0.26.

So all you need to do is multiply your kilowatts by €0.26 and you will get the exact amount the fan is costing you to run.

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