Should I close the window before turning on the air conditioner, or turn on the air conditioner first and then close the window? The difference is so big…

Recent hot weather
Every day I just want to lie down and blow on the air conditioner to eat watermelon and come home. When the window is closed, turning on the air conditioner is an introductory trilogy for most people. But is this step right?


Close the window & turn on the air conditioner
Turn on the air conditioner after closing the window
Many people close the windows and turn on the air conditioner as soon as they get home to prevent the air-conditioning from running outside, thinking that this can quickly cool down the temperature. However, this has an adverse effect on health.
①Prone to respiratory diseases
When the air-conditioning air just blows out, the air-conditioning will inevitably be mixed with some dust accumulated in it. This kind of pollutant is not felt at low temperatures, but it will affect the health of the human body. If it is surrounded by dust for a long time, it may suffer from respiratory diseases.
②Prone to air conditioning disease
At a suitable temperature, the more comfortable people feel, the more they will reject the sultry heat outside the room. If you enjoy it in an air-conditioned room for a long time, if the air is not circulated, you will gradually feel uncomfortable and you may suffer from air-conditioning disease.

Open the window and blow the air conditioner
Maybe you would say that I want both coolness and good air circulation. Why not open the window and blow on the air conditioner? Isn’t that right? wrong!
Poor cooling effect
Open the window and turn on the air conditioner. Although the air is circulated, the hot air from outside continues to enter the room, and people will feel a sensation of heat and coolness, and the cooling effect of the air conditioner is poor.
The life of the air conditioner is reduced

The air conditioner continuously converts the hot air outside into cold air. The compressor of the air conditioner will always run at a high speed, which not only consumes electricity, but also runs at a high speed for a long time, and the life of the air conditioner will be reduced.

Turn on the air conditioner first and then close the window
After returning home, turning on the air conditioner first and then closing the window is the most scientific way to turn on the air conditioner, not only for human health, but also the most comfortable way.
①Remove dust
Turn on the air conditioner first, wait for 5 to 10 minutes to ensure that the dirt on the air conditioner is discharged outside, and then close the doors and windows to reduce the residual harmful gas in the room.
②The body is more comfortable
In the hot summer, the sudden drop in temperature can easily cause the blood vessels that were dilated by heat to contract suddenly, causing blood pressure to rise, and even leading to cardiovascular and cerebrovascular diseases.
Opening the window and turning on the air conditioner at the beginning can cushion your body and make your body more comfortable.

How to operate more energy saving
It’s a summer when the air conditioner is turned on, especially in the south, the summer is very long, so how to turn on the air conditioner to save electricity most?
Open the high wind gear first, then change the middle and low gear

Turn on the air conditioner in the correct way, and save electricity!
When turning on the air conditioner, set the air conditioner to a high windshield, so that the room temperature quickly approaches the set temperature to achieve the purpose of cooling.
When the temperature is suitable, use the low and medium windshield to reduce energy consumption.
Refrigeration with the tuyere facing upwards
Since cold air is denser than hot air, hot air is on the top and cold air is on the bottom. Turning the air outlet upwards for cooling will cause the cold air to sink from above, which can quickly lower the indoor temperature.

26°C is the most energy-efficient
In summer, the temperature difference between indoor and outdoor should not be too large, generally around 8-10 ℃. The high temperature weather in summer is generally around 37°C, so setting the indoor temperature to 26°C not only feels comfortable to the human body, but also saves electricity.
If you just go out for a short time, you don’t need to turn off the air conditioner.
Don’t turn off the air conditioner when you go out for a short time

When the air conditioner is started, it will generate a high voltage of 500-1000 watts. Frequent switching on and off of the air conditioner will consume more electricity and consume more electricity when it is started.

Turn on the timing function before going to bed
You don’t need to turn on the air conditioner all night to go to bed at night, usually 2-3 hours regularly. If you are really afraid of heat, you can set the mode to “sleep”, which can save 20% of electricity.

“Dehumidification” mode saves more power
“Dehumidification” mode is more power-efficient than “refrigeration”. In the “dehumidification” mode, the indoor blower keeps running at a low speed, and the compressor operates intermittently, so as to keep the indoor temperature near the set temperature.
In the “cooling” mode, the air-conditioning compressor and blower will continue to operate until the indoor temperature reaches a low temperature.
How to prevent air conditioning disease
While the air conditioner brings us coolness, it also brings a lot of discomfort. When you stay in an air-conditioned room for a long time and have headaches, colds, dry eyes, joint pain and other symptoms, you are suffering from “air-conditioning disease”.
During the intense heat season, about 30% to 50% of the patients admitted to the outpatient clinics of primary hospitals in my country are patients with “air-conditioning disease”. So, how can air-conditioning be used to prevent air-conditioning diseases?

Open the window for 3 hours to ventilate
Being greedy for coolness is common to people, but there are many hidden dangers in staying in an air-conditioned room for a long time.
The accumulation of harmful gases such as carbon dioxide and carbon monoxide in the room increases, and the oxygen content in the air is low. This environment is conducive to the growth and reproduction of bacteria and viruses, and people are susceptible to air-conditioning diseases. Therefore, every 3 hours, the windows need to be opened for ventilation to exhaust harmful gases and let in fresh air to make people more comfortable.
In summer, the air conditioner is washed once a month
If the air conditioner is not cleaned for a long time, it will accumulate many germs and mites that are harmful to human health. Once inhaled, it may cause “air-conditioning lungs.”
In summer, the frequency of using air conditioners is higher, and more dust and bacteria enter the air conditioner. It needs to be cleaned once a month. It can be thoroughly cleaned and disinfected with a professional air conditioner cleaning agent.

Put basin of water in the air-conditioned room
The cold air in the air-conditioned room will not only cause the tears to evaporate too quickly and decrease, but also take away the moisture in the skin and respiratory tract. Long-term lack of water can cause symptoms such as dry skin and dry itchy throat.
Putting a basin of water in the room will prevent the water from evaporating and play a moisturizing effect.

Drink plenty of hot water
In an air-conditioned room, you need to drink plenty of hot water to promote blood circulation and body sweating, and to expel the cold air brought by the air conditioner out of the body, thereby preventing air-conditioning diseases.
Disinfect with vinegar
Vinegar has a strong anti-bacterial effect. When using the air conditioner, you can fill half a bottle of water in a spray bottle, pour 2 tablespoons of white vinegar, and spray the room for disinfection after mixing, which can effectively kill germs in the air and prevent family members suffering from “air conditioning disease”.
The air conditioner works well, it’s cool for the summer
Do you know the correct way to blow air conditioning?

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