With the arrival of summer and high temperatures, air conditioning becomes one of the best allies to maintain comfort at home, in offices or in commercial premises.

But during a heatwave, simply turning on the system and lowering the temperature to the maximum is not enough. Incorrect use can make the air conditioning consume more energy, cool less efficiently and work unnecessarily.

In this article, we share some practical tips to help you use your air conditioning better this summer and keep your home, office or business cool without increasing energy consumption too much.

 

Air conditioning to keep the house cool during a heatwave

 

Adjust the temperature efficiently

One of the most common mistakes is setting the air conditioning to a very low temperature, thinking that this will cool the space faster.

However, the system does not cool faster by setting it to 18 ºC. It simply works for longer and consumes more energy.

The ideal option is to maintain a stable temperature, between 24 ºC and 26 ºC, enough to achieve a pleasant environment without forcing the system.

In addition, if your unit is inverter technology, maintaining a constant temperature helps it work more efficiently and with fewer consumption peaks.

 

Prevent heat from entering your home

Before turning on the air conditioning, it is important to reduce heat entry as much as possible.

Lowering blinds, closing curtains and avoiding direct sunlight during the middle of the day can make a big difference to the indoor temperature.

The less heat your home or business accumulates, the less effort the system will need to cool the space.

 

Ventilate during the coolest hours

During a heatwave, opening the windows at midday can let hot air in and make the air conditioning work harder.

The best option is to ventilate first thing in the morning or at night, when the outside temperature is lower.

A few minutes can be enough to renew the air without heating up the whole room.

 

Clean the air conditioning filters

Dirty filters can reduce the system’s performance, worsen indoor air quality and increase energy consumption.

That is why, before and during the hottest months, it is advisable to check and clean the air conditioning filters.

If you notice that the system does not cool as well as before, makes more noise or takes too long to reach the desired temperature, it may be time for a professional inspection.

 

Outdoor air conditioning unit installed in a home

 

Use ECO or automatic mode

Many modern units include functions such as ECO mode, night mode or automatic operation.

These modes help maintain a stable temperature and reduce energy consumption.

Night mode, for example, is especially useful during very hot nights, as it allows you to rest better without having the system running at full power for hours.

 

Check whether your system is no longer enough

If your air conditioning does not cool properly, consumes too much energy or always needs to run at maximum power, the problem may not only be the heatwave.

In some cases, the system may be incorrectly sized, lack maintenance or be too old for the current needs of your home or business.

Replacing it with a more efficient system can improve comfort, reduce consumption and prevent breakdowns during the hottest periods.

 

Technician checking an air conditioning system in Girona

 

Air conditioning installation and maintenance in Girona

At EnerGirona, we help you prepare your home, office or business for the hottest months with efficient climate control solutions adapted to each space.

We work with low-consumption equipment, trusted brands and systems designed to provide comfort throughout the summer.

If you are thinking about installing, replacing or checking your air conditioning system, contact us and request your no-obligation quote.

 


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