I agree that the fear of the electricity bill will not be taken away from us this summer, with the price of the kilowatt hour at all-time highs and with little sign of falling to reasonable levels at the moment.
Fan or air conditioning: what is more convenient both in health and savings?
But faced with the dilemma of whether to have to suffer the heatwave, even putting our health at risk, or risk putting the air on and then assuming the consequences of a crazy bill, there is a third way Although it does not exempt us from spending, it does make it sustainable and allowing us to avoid the heat.
It’s based on ten simple and practical strategies or tricks to optimize our air conditioning and also our environment, so that the result is the maximum well-being with the minimum energy effort.
Of course, if we have a modern device, with Inverter technology, the savings will be much greater, but as now it is too late to change, we will focus on get the most out of our machine, whatever it is.
And it should also be noted that we can choose the “ECO” mode that many devices have, but with our advice we can even improve the savings of this system, which is estimated at 30% of consumption.
1. Avoid direct sunlight
It is not so much about keeping the house totally dark as about avoiding the entry of light through those windows through which the sun can penetrate at one time of day. For this we can use the blinds, but also awnings or blinds made of bamboo, esparto or jute.
The reason is that due to the greenhouse effect, the rays that enter through the glass are the ones that provide more heat and less violet radiation – which is why we do not get tanned by sunbathing through a glass – but it is also These long wave rays get trapped at home.
The result is a considerable increase in heat even with respect to the outside. Something that can be avoided by preventing light from entering through that window.
2. Ventilate first thing in the morning, before the sun rises
Between half past six and nine in the morning –depending on east or west longitude– it is daylight and the sun is low, without heating, so the air is more or less cool –– depending on north or south longitude–; It is the ideal time to open all the windows in the house and ventilate well before the heat begins to be felt.
Eliminating indoor air is important for our health but also to start from an acceptable temperature when turning on the air.
3. Make sure you have all the windows closed before turning on the air
It is drawer, we all know it, but what has happened to us also to realize that we have spent hours with the air on and an open window? Serve as a reminder for clueless and careless people, as the air may have to work up to 50% more with an open window to maintain the desired temperature.
4. Limit the perimeter of the air
That is, isolate by closing doors and windows the room where you want to put the air and where the main human activity takes place. If it is the living room and the kitchen, for example, we will limit the arrival of air to this area. Thus we save having to ventilate spaces that we do not use.
5. Keep the filters always clean
Although it is recommended to carry out this practice every three months, in peaks of activity such as heatwave, it should be done weekly. A dust-saturated air conditioner filter, in addition to being unhealthy for allergies and respiratory diseases, overwork the cold air blower, making it more difficult to reach the desired temperature.
6. Use the “dry” mode
Most appliances, for at least twenty years, have the dry option, or “dry”, which uses a not so low temperature but prioritizes the dry environment. It is very good for coastal areas, where the temperature is not as high as in the interior but the high humidity increases the thermal sensation. By drying the environment, you can be comfortable at temperatures of 25 to 27ºC.
7. The temperature, never below 25ºC
By the same rule of three, and as has been said many times – remember Vicente Del Bosque’s announcement– The ideal temperature so that our body does not have a sensation of heat is between 27 and 24ºC, putting an average of 25-26ºC. Therefore, the need to put the air at 23ºC or less is totally psychological and not physical.
8. Avoid turbo mode
The turbo mode is the one that throws the air at the maximum impulse power, and serves to quickly cool very hot environments. Sometimes we will have no choice but to use it – for example if we return home on Sunday after spending the day out – but it spends much more.
But if we learn to program the ‘timer’ of our air control, so that it turns on at a certain time and prevents the floor from getting too hot without having to make a great effort, when we return home that same Sunday, we will meet the floor already fresh. And without having to use the turbo …
9. Schedule the air at night
And by the way that we learn to use the remote control programmer, we can program the ‘timer’ so that after a couple or three hours of night operation, when we are already asleep, the air turns off by itself. The reason is that once we are asleep our basal internal temperature drops below 26ºC and we are less sensitive to heat.
10. Take advantage of the “flutter” mode of the air flow
And finally, a trick that we rarely apply but that appears among those applied by the ‘ECO’ modes of many devices, is to apply the flutter mode of the air flow, which increases the sensation of freshness and thus allows us to climb a degree or two the temperature of the thermostat, with the consequent savings.
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