Have you ever wondered how the air conditioner in your car works? Well, of course not. This is remembered when cool air first stops flowing into the cabin, and then the smell of dampness and musty appear at all. And the car owners themselves are to blame for this, who switch off the ignition when the air conditioning is on. Portal “AutoVzglyad” found out why this happens.
Air conditioning has made life easier for motorists. Thanks to its appearance, the climate in the cabin of our cars has become a lot more favorable. And even on the hottest day, there is a comfortable climate in the car, and the driver and passengers do not have to open windows, inhale smog and road dust. However, air conditioners sometimes break down. Instead of fresh cooled air, warm air begins to flow into the cabin, with a musty smell of moisture. And few people realize that the culprit of this is the car owners themselves, who incorrectly operate the air conditioning system and turn off the engine when the “conde” is running.
The point is that the cold air passing through the evaporator through the air ducts cools not only the interior, but also the surfaces adjacent to the elements of the system. If you look at it from the other side, there’s a hot engine under the hood, that is, there’s a temperature difference. Where the air conditioning ducts and the evaporator are cold, while the temperature in the engine compartment is generally quite high. The air passing through the evaporator already contains moisture, the excess of which is discharged outside under the car in the form of condensate. Added to this is the dew point when the air conditioning is switched off together with the engine. These are therefore favorable conditions for the formation of condensate and thus the growth of the number of bacteria, which will result in that unpleasant odor in the cabin. How can this be avoided?
It is logical to assume that in order to level out the temperature difference and fade the dew point, you need to equalize this temperature. In other words, the air conditioner needs to be turned off a little before turning off the car engine. There is no need to wait half an hour for the elements of the climate system to warm up. Two or three minutes are enough for this, during which the cold surfaces heat up and excess moisture (condensate) evaporates, and part of it leaves the drain pipe. It is even better to turn off the air conditioner in advance and calculate approximately the above time before the planned parking space. During these minutes, the interior will not have time to warm up to an unpleasant temperature, but the air conditioning system will dry out and ventilate.
If the odors still appear, the climate system should be cleaned, remove the bacteria that have settled there. This not only robs you of an unpleasant smell, but also improves the performance of the air conditioner as a whole. Because the dirt that collects on the evaporator is a good heat insulator and the air passing through the evaporator cannot cool properly. You can clean the system in special centers. And you can do it yourself using aerosol disinfectants. From improvised means, professionals recommend using pharmacy chlorhexidine or other disinfectants, such as Lysoformin 300 and Chloramine B.
However, every car owner should remember that prevention is better than any repair. Therefore, it is necessary to monitor the air conditioner during the entire period of car ownership and it is imperative to disinfect it at least once a year. You should also check the condition of the drain hose. If it becomes clogged, the bacteria will rejoice here and the condensate can eventually flow into the cabin. And don’t forget to dry the system before turning off the engine.
Air conditioning has made life easier for motorists. Thanks to its appearance, the climate in the cabin of our cars has become a lot more favorable. And even on the hottest day, there is a comfortable climate in the car, and the driver and passengers do not have to open windows, inhale smog and road dust. However, air conditioners sometimes break down. Instead of fresh cooled air, warm air begins to flow into the cabin, with a musty smell of moisture. And few people realize that the culprit of this is the car owners themselves, who incorrectly operate the air conditioning system and turn off the engine when the “conde” is running.
The point is that the cold air passing through the evaporator through the air ducts cools not only the interior, but also the surfaces adjacent to the elements of the system. If you look at it from the other side, there’s a hot engine under the hood, that is, there’s a temperature difference. Where the air conditioning ducts and the evaporator are cold, while the temperature in the engine compartment is generally quite high. The air passing through the evaporator already contains moisture, the excess of which is discharged outside under the car in the form of condensate. Added to this is the dew point when the air conditioning is switched off together with the engine. These are therefore favorable conditions for the formation of condensate and thus the growth of the number of bacteria, which will result in that unpleasant odor in the cabin. How can this be avoided?
It is logical to assume that in order to level out the temperature difference and fade the dew point, you need to equalize this temperature. In other words, the air conditioner needs to be turned off a little before turning off the car engine. There is no need to wait half an hour for the elements of the climate system to warm up. Two or three minutes are enough for this, during which the cold surfaces heat up and excess moisture (condensate) evaporates, and part of it leaves the drain pipe. It is even better to turn off the air conditioner in advance and calculate approximately the above time before the planned parking space. During these minutes, the interior will not have time to warm up to an unpleasant temperature, but the air conditioning system will dry out and ventilate.
If the odors still appear, the climate system should be cleaned, remove the bacteria that have settled there. This not only robs you of an unpleasant smell, but also improves the performance of the air conditioner as a whole. Because the dirt that collects on the evaporator is a good heat insulator and the air passing through the evaporator cannot cool properly. You can clean the system in special centers. And you can do it yourself using aerosol disinfectants. From improvised means, professionals recommend using pharmacy chlorhexidine or other disinfectants, such as Lysoformin 300 and Chloramine B.
However, every car owner should remember that prevention is better than any repair. Therefore, it is necessary to monitor the air conditioner during the entire period of car ownership and it is imperative to disinfect it at least once a year. You should also check the condition of the drain hose. If it becomes clogged, the bacteria will rejoice here and the condensate can eventually flow into the cabin. And don’t forget to dry the system before turning off the engine.
Source: Avto Vzglyad
I’m Sandra Torres, a passionate journalist and content creator. My specialty lies in covering the latest gadgets, trends and tech news for Div Bracket. With over 5 years of experience as a professional writer, I have built up an impressive portfolio of published works that showcase my expertise in this field.