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The kitchen is a place that needs light for a large part of the day. In order to illuminate this part of the house efficiently, we should be using energy efficient light bulbs. Furthermore, water consumption is also high in the kitchen, so it is crucial to rationalise our use of water by means of some simple measures, such as not leaving taps running when we are not using them, fixing leaking or dripping taps, or using single-lever taps instead of traditional separate hot and cold water taps.

However, we must not forget that one of the highest sources of energy consumption in the kitchen comes from the use of domestic appliances, with the fridge being the most energy-consuming appliance. For fridges to consume less energy, we can put into practice a few pieces of simple advice, such as cleaning the back of the appliance at least once a year, or defrosting it before the layer of ice reaches a thickness of 3 mm. Furthermore, the thermostat should be adjusted to maintain a temperature of 5ºC for the fridge and -18ºC for the freezer.

As for washing machines, most of the energy used is to heat the water, so it is very important to use low temperature programmes if you want to save energy. The use of limescale removers and regular cleaning of the washing machine filter to remove impurities and limescale build-up is also another good measure, since this will not affect the washing machine’s performance but will save energy. 

As for ovens, there are two kinds available on the market: gas and electric. However, gas ovens are more energy efficient. In fact, some experts say that gas ovens save 73% more energy than their electric versions. As for hobs, the gas variety function using environmentally respectful systems, which consume less energy and are cheaper than other systems.  

Energy label

But as well as the advice mentioned previously, it is important to buy energy efficient appliances and these are easy to spot thanks to the energy label. This is an information tool that helps buyers of electrical appliances, and is found on fridges and freezers, washing machines, dishwashers, tumble dryers, washer-dryers and electric ovens. 

It provides a quick reference so consumers know the energy efficiency of an appliance. There are 7 efficiency categories, identified by a code made up of colours and letters, ranging from green and the letter A for the most efficient appliances, to red and the letter G for the least efficient devices. When buying a domestic appliance, take note of the energy consumption and if possible choose class A devices, which are the most efficient, although they might be a little more expensive. In the long-run, it will be worth it.

In conclusion, by applying these practical measures in the kitchen, we can contribute, through a more rational consumption, to increasing global efficiency. 

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