When to turn on the air conditioning in the car? A comprehensive guide
Air conditioning in a car these days is already the norm and an integral part of the car’s equipment. On hot days, it provides thermal comfort, and on cooler days, it helps dry the air inside the car. Although turning on the air conditioning is a habit, you shouldn’t always run it right away.
Why turn on the air conditioning in the car?
Before discussing when to turn on the air conditioning, it is worth considering why you should use it. Air conditioning in a car not only lowers the air temperature, but also affects driving comfort, visibility and passenger health. The main functions of air conditioning include:
Cooling the interior: the most important function of air conditioning, especially on hot days. Air conditioning lowers the air temperature in the car, making driving more comfortable.
Dehumidifying the air: Air conditioning effectively removes moisture from the interior of the car, preventing windshield fogging, which improves visibility.
Improving air quality: Modern car air conditioning systems often have filters that clean the air of pollutants, allergens, and odors, which can improve comfort for people with allergy problems.
When is the best time to turn on the air conditioner?
Turning on air conditioning in a car depends on several factors that affect the comfort and economy of driving. Listed below are situations in which it is advisable to turn on the air conditioning:
(a) High temperature outside
If it is hot outside and the temperature exceeds the comfortable, air conditioning in the car becomes indispensable. In such a situation, it is worth turning it on to quickly cool the interior of the vehicle. However, this should not be done immediately after entering the car, as the interior may be much warmer than the surroundings, especially if the car has been standing in the sun for a long time. It’s a good idea to open the windows for a few minutes to let the heated air out of the car’s interior. Only after this time should the air conditioning be turned on. This will help you reach a comfortable temperature inside the vehicle faster.
(b) Driving in the rain or in humid conditions
Air conditioning also has its uses in humid conditions. When driving in the rain, especially on colder days, the windshields may fog up from the inside, impairing visibility. In such situations, it’s a good idea to turn on the air conditioning, as this will help dry the air, preventing the windows from fogging up.
However, it is worth remembering that air conditioning in such conditions is not the only remedy. It is also often necessary to increase air circulation or use a windshield defrosting system to improve visibility.
(c) Before starting a long trip
Before embarking on a long trip, especially when the temperature outside is high, consider turning on the air conditioning even before you set off. This will help maintain the right temperature inside the vehicle for several hours. However, it is worth remembering that the high temperature of the air conditioner can affect higher fuel consumption, so it is worth setting it to a suitable level, not at maximum power.
(d) Optimum temperature inside the vehicle
Although air conditioning provides comfort, it is a good idea to avoid setting it to the lowest temperature, especially when the temperature difference between the interior of the vehicle and the environment is too great. A sudden change in temperature can lead to discomfort, as well as negatively affect health (such as causing colds). The optimal temperature in the car should be around 22-24°C, which is comfortable in both summer and winter.
When not to turn on the air conditioning?
Although air conditioning is very useful, in certain situations turning it on can be detrimental. Here are cases in which it is better not to use it:
(a) In low outdoor temperatures
If there are low temperatures outside (below 10°C), turning on the car’s air conditioning can lead to excessive strain on the cooling system and increased fuel consumption. In this case, it is better to use ventilation or heating.
(b) For fuel economy
Air conditioning increases fuel consumption. In situations where it is necessary to save fuel, consider driving with the windows open or setting the air conditioning to the minimum level.
(c) In case of air conditioning system malfunction
If the air conditioning does not work properly (e.g., it makes strange sounds, does not cool efficiently), it is better not to turn it on forcefully. It is worth reporting the malfunction to a service center to avoid further damage to the system.
How to take care of air conditioning in the car?
In order for the air conditioning to work efficiently for many years, it is worth taking care of it regularly. This can be helped by:
- Running the air conditioner regularly, even in the colder months, to avoid refrigerant stagnation and mold growth in the system.
- Changing cabin filters every so often to keep the air inside the vehicle clean.
- Checking the condition of the cooling system and topping up the refrigerant if necessary.
- Airing the car: Before turning on the air conditioner, it’s a good idea to open the windows for a while to get rid of the hot air.
Summary
Air conditioning in a car is a convenient tool that improves driving comfort, especially on hot days. However, its switching on should depend on the situation – it is best to avoid running the air conditioning in cooler conditions and take care of the right temperature inside the vehicle. Be sure not to overload the air conditioning system too quickly and follow the recommendations for its use to ensure a comfortable ride and take care of the technical condition of the car.