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How to Use Car Air Conditioning Properly?

2 Answers

MariaLee

07/24/25 1:24pm

Correct steps for using car air conditioning are: First, open the car doors and windows, and use the fan for ventilation. After two to three minutes when the hot air has been expelled, get in and start the car. Do not rush to close the windows; first, turn on the external air circulation. When the temperature inside and outside the car becomes similar, then close the windows and switch to internal circulation. This helps avoid excessive load on the engine when starting and allows the air conditioning compressor to quickly reach its optimal working state. Car air conditioning is a ventilation system designed to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to an optimal state. It provides a comfortable environment for passengers, reduces travel fatigue, creates good working conditions for the driver, and plays a crucial role in ensuring safe driving.

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ManuelFitz

08/11/25 7:27am

I've been driving for over 20 years and have gotten used to using the air conditioning for convenience and peace of mind. After getting in the car, don't rush to press the AC button—start the engine first and wait a few dozen seconds for the RPM to stabilize before turning on the air compressor to protect its lifespan. Setting the temperature between 23°C and 25°C is optimal; avoid pursuing overly cold comfort as it can lead to colds and waste fuel. In a scorching hot car, first open all windows for 30 seconds to ventilate and expel the hot air, then close the windows and turn on the AC for faster cooling to prevent discomfort. Remember to select the circulation mode: switch to recirculation mode in heavy city traffic to avoid inhaling harmful exhaust fumes, and use fresh air mode on suburban highways for better oxygen flow and fresher air inside. Medium fan speed is sufficient—high speeds are unnecessarily noisy and wasteful. Turn off the AC 5 minutes before parking and just run the fan to dry out the ducts, preventing dampness, mold, bacteria, and odors that can affect sensitive noses. Clean the AC filter and condenser every summer to remove dust buildup that reduces efficiency and increases fuel consumption. For short trips, minimize AC use and open windows for natural cooling and relaxation. Adopting these habits ensures worry-free, healthy, comfortable, and eco-friendly AC use.

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