errors that trigger your receipt

The hot season in Yucatan and all of Mexico will arrive with temperatures that will exceed 40° and the air-conditioning It is one of the devices that helps you survive this season.

However, when using it we make certain errors that damage its operationand, in addition to shortening its useful life, they also cause a increase in your electricity bill and money. Here we tell you what you should not do with the air conditioning and how to use it to save energy.

READ HERE: How to pay less electricity in Yucatán: this way you can avoid the most expensive CFE rate

Errors when using the air conditioning that increase the electricity bill

1.- Leave it on all day

It is not necessary to have it running 24 hours a day, especially if you are going out or if no one is home. It’s better use it for time intervals to take advantage of the fresh atmosphere it leaves; This will allow you to save energy and therefore money.

2. Not cleaning the filters

This point is of vital importance for the proper functioning of the equipment. If it is used frequently, it must be cleaned monthly, otherwise there is a risk that the device will work forcefully, which increases up to 5% more light consumption.

3. Use it with doors and windows open

One of the worst mistakes when using it; the device absorbs hot air and that represents greater use of light. Additionally, it increases the chance that it will be damaged faster than normal.

4. Put it at very low temperature

If you live in an area with extreme heat, you may have the habit of turning the air conditioning on very low to cool down, but that’s just will affect your performance. It is best to use it between 24° and 26°.

5. Do not use the fan

In very large or spacious spacesit is recommended to use both devices so as not to force the air conditioning to operate. In addition, it promotes air circulation throughout the environment, which helps you perceive 4 or 5 degrees less.

6. Not having the correct size

If you are just going to purchase your air conditioning, remember to take into account the room measurements or the space where you intend to place it. If it’s a small place, maybe what you need is a portable equipment, or a 1-ton mini-split, instead of a 3-ton one.

What temperature should the conditioning be at to save electricity?

The recommended temperature to balance comfort and energy savings is 24 degrees. Lowering a single degree can increase consumption by up to 8% more electricity.

How much does an air conditioner cost in Mexico in 2026?

According to a report from the Federal Electricity Commission (CFE) published in 2025, this costs having an air conditioner at home, depending on the type of model you purchase:

• 1.5 Ton Window Air Conditioner: It spends a total of 3402 kWh, which can be translated into $4,528.00 MXN every two months for a period of eight hours a day.
• 1 ton air conditioner: consumes 2268 kWh in a period of two months for a cost of $3,018.00 MXN.
• 2 ton mini splitter: With 7-hour days, it spends a total of 2772 kWh for a bimonthly expense of $3,689.00 MXN.
• 1 ton mini splitter: In two months, with 7 hours a day, they can report a consumption of 1386 kWh for a price on the receipt of $1,844.00 MXN.

Air conditioning vs fan: which consumes more light?

According to Selectraa platform for managing and reducing electricity, gas, Internet, and telephone expenses for companies and homes, through an analysis carried out in 2024, revealed how much light a fan consumes compared to an air conditioner.

Although it is evident that a fan consumes much less light than an air conditioner, it does not cool the environment, it only moves the air, so, as we mentioned previously, it is best to combine both efficiently.

Is it advisable to leave the air conditioning on all night?

Yeahas long as keep the temperature at 24° and you use it with a timer and a fan; That is, you turn it on at 10:00 pm before going to sleep and program it to turn off at 3:00 am, this way you will keep your room cold and with air “moving” (thanks to the fan) so as not to feel hot.

READ HERE: CFE 2026 subsidy: who applies for the discount in Yucatán and how it works

How to save electricity and money with air conditioning?

• The air conditioner should be located in the part of the house where where the sun reaches least.
• If there is no one in the room, turn off the air conditioning, or activate the “energy saving” mode
• In spring or summer, in very hot areas It is not advisable to lower it below 24 degrees, because it is not good for the body if there is a lot of difference from the outside
• For each degree That you lower the temperature is a 8% more your electricity bill.
• Setting a lower temperature than you want will not make the room cool down faster, but it will consume more.
• Do not open doors and windows of the refrigerated room to cool other rooms without air conditioning. You will not achieve the desired effect and you will spend much more

Now that you know what the mistakes are when using the air conditioning, you can correct these practices and save a little more money on your electricity bill.

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