The air conditioner has become one of the main equipment in any modern car, because of its extreme importance in the car, whether it is to cool the car in the summer to face the severe weather, or to heat the car in the winter, which causes comfort to the driver while driving, and also works to remove water vapor from the air. Automotive windshields to provide a clear view, which increases the degree of driving safety.
The German expert, Ulrich Koster from the German Association for Automotive Trade and Industry, pointed out that car air conditioners vary in efficiency according to the car model, as there are air conditioners that have simple systems that cover one area in the cabin of small cars, up to the models that cover four areas inside the car cabin in the top-class models. and medium in cars.
And that there is a difference in the way air conditioners work according to their type, and that there are air conditioners that rely on manual adjustment to adjust the degree of cooling in the car, while automatic systems work through sensors in the car cabin to control the preset temperature and maintain it constantly.
The German expert explained to the advanced air conditioners that have automatic systems that always work through sensors to measure the temperature and its constant difference due to external factors such as intense sunlight, in order to match the degree of cold coming out of the air conditioner with it, in order to cover all areas of the car cabin.
Despite the high importance of the air conditioner, it is not without drawbacks, the most prominent of which is the increase in gasoline consumption, especially with air conditioners that have simple efficiency, as they always work to make temperatures at their lowest levels, and there are several factors that help increase gasoline consumption, including the volume Interior cabin, glass quality and vehicle uses.
Manfred Buchenrieder from BMW explained that the annual average of typical consumption rates ranged between 1.0 and 0.5 liters per 100 km, and added that the air conditioner could raise the consumption rate to a ratio of up to 1.5 liters / 100 km during city driving, as he confirmed However, opening the windows increases gasoline consumption, due to the increase in air resistance, in addition to the air conditioner’s attempt to neutralize the hot air entering from the outside.
The German expert advised that all windows should be opened before the start of driving and allowing the car to be ventilated in the summer, and that the air conditioner be set to the ideal degree of cooling which is 22 degrees, and so that the air conditioner does not pose a danger to the driver’s health. On the shoulders up, then slowly distribute it in the cab.
Manfred also pointed out the need to maintain the air conditioner once a year, and said: “The air conditioner should be checked in the spring, and then make sure that some components such as the compressor, condenser and evaporator are working,” in addition to that, the pollen filter should be replaced, and the evaporator cleaned.
To maintain the car air conditioner, the expert recommended turning on the air conditioner at least once a month for drivers who do not operate the air conditioner for long periods so that the oil does not lose its properties, and the air conditioner should be turned off a few minutes before the end of the trip while leaving the air fan on, so that the remaining moisture in the system is drained cooling.