Should car air conditioners take air inside or outside?

When driving, one of the important factors that create a feeling of comfort and ease is the car’s air conditioning system. Car air conditioning helps regulate temperature and deliver cold air to the interior of the vehicle, creating an ideal environment to maintain coolness and comfort for passengers. However, a common question is whether to choose internal or external air when using car air conditioning.

The article below CarOn will answer your questions!

Wind in the car

When selecting internal air, the car air conditioning system will take air from inside the car to cool and circulate. This process takes place through the air filtration system, where filters remove dust particles, bacteria and odors from the air inside the car before sending it into the air conditioning system.

When should you get fresh air?

– Polluted external environment: When you are driving in an environment containing dust, smoke, or high air pollution, taking in fresh air helps prevent polluted air from outside from entering the vehicle and maintains air circulation. Fresh air inside.

– Bad weather: When you are driving in an area with harsh climate or bad weather (e.g. rain, strong wind), getting fresh air can help keep the car space warm or cool effectively. more efficient than getting air from outside.

Advantages of taking in fresh air

-Maintains fresh and clean air inside the vehicle

– Energy saving

– Avoid dust, smoke, and odors from outside: inside air helps prevent outside air, which may contain dust, smoke, or unpleasant odors, from coming into direct contact with the space inside the car. This ensures that the environment inside the car is always fresh and clean.

– Can regenerate air: most car air conditioning systems also have an air regeneration mode. When this mode is activated, air from inside the vehicle is circulated without the participation of outside air. This helps prevent polluted or odorous air from outside from entering the vehicle.

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Disadvantages of taking in fresh air

– Increased humidity in the space: When taking in fresh air, the air in the car is reused and recirculated, which can increase the humidity inside the car. This is especially important in environments with high humidity, which can make the inside of the car feel damp and uncomfortable. High humidity can cause fatigue and create favorable conditions for the growth of bacteria and mold.

-Can cause stuffiness and stuffiness: When taking in fresh air, air is not supplied from the outside. This can reduce the amount of fresh air and oxygen in the vehicle, especially when the vehicle is in a closed environment with no external oxygen source. The lack of oxygen and fresh air can cause fatigue, reduce concentration and affect the health and alertness of the driver and passengers.

– Does not remove bad odors from inside the car: Although the internal wind can prevent polluted air from outside from entering the car, it does not solve bad odors in the car. If the car has an unpleasant odor or air pollution is coming from inside, taking in fresh air will only reuse that air without removing the odor. This can make the car space not airy and uncomfortable.

How to get air in the car

On the air conditioning system control panel, find and press the internal air button or mode. Usually, this button has a circular icon with an arrow curving inwards. The way to get it is also very simple, you just need to press the button or slide the lever in the direction of this icon.

Wind outside the car

When selecting outside air, the car air conditioning system will take air from outside the car to cool and circulate in the interior space. This process usually takes place through ventilation holes or windows that are opened to allow air from the outside environment to enter.

When should you take air out of your car?

– When the outside air is fresh: If you go through mountainous or rural areas with little dust or at night, you should use outside air to ensure the amount of oxygen in the car, helping to keep the air in the car clear. more airy and fresh.

– When you want to eliminate odors in the car: If the car has an unpleasant odor or there is air pollution from inside, taking outside air can help replace that polluted air with fresh air from outside. This helps eliminate odors and improves air quality in the car.

– When the space inside the car is damp: In case the space in the car has high humidity due to humid weather or many people in the car, taking outside air can help ventilate and reduce the humidity inside, creating a feeling of comfort. more airy and dry.

– When you want to reduce noise from the environment: In some cases, such as when you are passing through an area with high noise from traffic or construction sites, taking outside air can help reduce noise from the outside environment. in addition to entering the vehicle, creating quieter driving conditions.

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Advantages of taking outside air

– Providing fresh air: Taking outside air helps bring fresh air from the outside environment into the car. This helps provide fresh oxygen and freshen the interior space, creating a comfortable feeling for passengers.

-Eliminate odors and pollution in the car: When taking outside air, polluted air and odors from inside the car will be replaced with fresh air from outside. This helps reduce unpleasant odors and improves air quality in the car.

– Quick cooling: Taking outside air is especially effective in cooling the car’s interior space. When air from outside enters, it helps reduce the temperature inside the car quickly, bringing a cool feeling.

– Reduce humidity in the car: When taking outside air in a humid environment or when there are many people in the car, outside air can help reduce humidity inside the car. This prevents stuffiness and helps maintain a dry and airy environment in the car.

Disadvantages of taking air from outside the car

– Pollution: Taking outside air can bring into the car pollutants from the outside environment such as vehicle exhaust, dust, small particles and toxic chemicals. This can reduce the air quality in the car and pose a health hazard.’

– Noise from the environment: When taking outside air, noise from the outside environment, such as road noise, vehicle noise or construction site noise, can penetrate the vehicle. This can increase noise inside the vehicle and cause discomfort to passengers.

Traffic jam

– Unfiltered air: When taking outside air, the air is not filtered through the air filtration system in the car. This means dust particles, pollen and insects can enter the car and cause discomfort for passengers, especially those with allergies or respiratory problems.

– Consumes a lot of energy: When taking outside air, the car air conditioning system needs to work harder to cool or heat the air from outside. This can lead to higher energy and fuel consumption, affecting the vehicle’s performance and energy efficiency.

How to get air out of the car

On the dashboard, there is a wind symbol outside the car, which is a picture of a car with an arrow pointing to the outside of the car. How to get it is very simple, just press the button or slide the lever in the direction of this symbol.

Should the air conditioner take inside air or outside air?

Whether to use internal or external air in your car depends on many factors, including:

  • Environmental conditions: If the outside air is fresh, unpolluted, and free of loud noises, outside air intake may be a good choice for bringing fresh air into the vehicle.
  • Climate and weather: In tropical, hot, or rainy conditions, internal ventilation may be a good choice to maintain a comfortable temperature and humidity in the vehicle.
  • Pollution: If you are driving through an area with high pollution or unpleasant odors, taking outside air may not be good for your health. In this case, taking in fresh air and using an in-car air filtration system may be a safer choice.
  • Noise: If you want to reduce noise from the outside environment, bringing in fresh air and closing the windows can help reduce noise from entering the vehicle.

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Reputable address for air conditioning and car maintenance?

CarOn Pro – 5S standard car service system

Caron Pro is trusted and known by customers as a chain of 5S standard auto repair service centers. With extremely modern equipment, genuine spare parts, skilled technicians, a full range of services at extremely affordable prices and quality.

Please contact us immediately via Hotline: 0961.247.360

Facility 1 – CarOn Xuan Phuong
Lot P3, Thi Cam Street, Xuan Phuong, Nam Tu Liem, Hanoi
Phone: 0919009069
Facility 2 – CarOn Hoang Quoc Viet
455 Hoang Quoc Viet, Co Nhue 1, Bac Tu Liem, Hanoi
Phone: 1900633612
Facility 3 – CarOn Lai Xa
Km14, National Highway 32, Lai Xa, Kim Chung, Hoai Duc, Hanoi (next to Hoai Duc welcome gate)
Phone: 0384653472
Facility 4 – CarOn Care Phap Van
No. 4 – BT5 Phap Van Urban Area, Tran Thu Do Street, Hoang Mai, Hanoi
Phone: 0985333589
Facility 5 – CarOn Care Thai Nguyen
76 Viet Bac Street, Dong Quang, Thai Nguyen
Phone: 0975782639
Facility 6 – CarOn Care An Khanh
Bao Son Paradise Villa Area, Hoai Duc, Hanoi
Phone: 0963598600

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