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Goodbye to the heat this summer – this is how you can save on air conditioning with this trick already used by thousands of families

by Rita Armenteros
July 7, 2025
Goodbye to the heat this summer - this is how you can save on air conditioning with this trick already used by thousands of families

Goodbye to the heat this summer - this is how you can save on air conditioning with this trick already used by thousands of families

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With the arrival of summer in Spain, all households have to protect themselves from the heat and escape the high temperatures. For this, the air conditioner is the best ally to combat this time of year, however, we must take into account a factor that also affects: the electricity bill. Due to the use of air conditioning in the home, the electricity bill usually increases, but there are small details to which you have to pay attention to save. Therefore, below we present a series of home tricks so that you can combat the arrival of summer and also look after your pocket … do not hesitate to read on.

The heat has finally arrived and so has the air conditioning season

The heat, the heat wave, or whatever you want to call the high temperatures, is here. And one of the remedies to cope with them during the summer is to put on the air conditioning. A solution that, like the movie, comes at a price.

“Efficient use and switch to the best rate allows you to save 60% on air conditioning,” says Javier Martinez, spokesman for Kelisto Energy. Something to keep in mind because experts point out that the price of light will go up.

Get to know the tips to face the summer heat

Here are a series of tips to help you make sure that your electricity bill at the end of the summer is not a shock to your pocket.

If energy efficiency measures are combined with the change to a cheaper tariff, the savings can be 58.80%. That is, about 56 euros during the months of July, August and September, according to Kelisto.

Thus, according to the comparator, the average expenditure on a cooling appliance during the summer months amounts to about 48 euros extra on the electricity bill.

An amount that can go up or down depending on two aspects: one, the use of the appliance (if it is clean, if it is efficient, and if we use it with common sense); and, two, according to the contracted electricity tariff.

For example, if we have an inefficient appliance, or it is used inefficiently, the average cost of 48 euros can double to 95 euros, going from a consumption of 1 kWh to 2 kWh. Or if its use is doubled.

As for the tariff, going from the most expensive to the cheapest (with data from June this year) means a saving of 38.77%. “Changing electricity tariffs is a simple process, faster than it seems, totally free of charge and with no risk of power cuts,” reminds Javier Martínez.

In Spain, there are approximately 7.3 million households that have an air conditioner. And the estimated expenditure of all of them is estimated at 349 million euros for this summer.

Tips on how to spend less: “The main thing is to keep an eye on the thermostat”.

A responsible use of any household appliance is synonymous with savings. “The main thing is to watch the thermostat,” Kelisto points out.

Thus, a temperature of 27 degrees, according to the Institute for Energy Diversification and Saving (IDAE), is enough to not have a bad time, with adequate clothing.

“If we want to enjoy something cooler at home, between 23 and 25 degrees should be more than enough so that the appliance does not operate at maximum power for long periods of time and, therefore, the consumption and the bill shoot up,” they point out.

Other tips: it spends much more to get home overheated and put for an hour the air conditioning at 19 degrees that put it at 24 degrees for three hours.

In addition, it is essential to take care of the device, cleaning the filters regularly and compulsorily at the arrival of summer. It should be placed, if possible, in a part of the room that does not receive direct light.

Do not forget to keep an eye on the environmental label

It is advisable to keep an eye on the environmental label of the appliance (which should always be A) and check the specifications in search of the average consumption: it should be around 1 kWh so that its use does not screw up your electricity bill.

Finally, the room to be cooled must be well insulated. There is little point in turning on the air conditioner in the living room and keeping the door and/or windows open, if we are going to continue in that room and do not want to lower the temperature of other adjoining rooms.

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