why is there condensation inside my car

Here's how you can fight back against the damp misting up your windows. to get rid of dirt particles that attract moisture. Get rid of any damp items like coats and towels. Fill a pair of tights with cat litter and leave in your car - this will help absorb excess moisture. Air out your car by leaving the windows open for a few hours (when safe to do so). Switch on your blower and A/C, and wipe down your windows thoroughly. It's bad enough having to live with the relentless dampness of the outside world without having to cope with it in our motors as well. But many of us have to deal with condensation misting up, or in some cases streaming down, our car windows. So what's the solution? What causes condensation in cars? Condensation happens when there's a difference between the temperature and moisture levels inside and outside the car. The car is a closed environment in which dampness and heat can build up. When this moisture meets the cold windscreen it changes from invisible vapour into water droplets, which stick to the inside of your glass and impede vision. Simply breathing inside a car is enough to start the process. Leaving damp items such as jackets, umbrellas, car mats or dog towels also contribute to condensation. Remember to always remove them when you leave the car. A blocked pollen filter, which cleans air entering the car, can be another possible cause. But another likely reason is that the car has a leak somewhere that s letting water in. It could be in a door, light or sunroof seal, or a leak in the heater matrix. Tracking down a leak can be challenging. A mechanic may be able to help as they'll know where particular models tend to let water in. "Sorting out leaky cars is incredibly difficult," says Dave Richards, former editor of Classic Car Weekly and an experienced mechanic. "It often involves stripping the car down completely.


And even when you've found the leak it often can't be fixed easily or fixing it isn't economically viable. "For example, sorting out a leaking heater matrix can cost anything between 200 and 1,000, which generally isn't worth if for an older car. "And unfortunately some cars start suffering from condensation at six or seven years of age. The older a car is, the more likely it is to develop this problem. "
But there are a number of steps you can take to at least alleviate it. The first is to clean your windows thoroughly on the inside as well as on the outside. Dirt particles on the inside of the windows give the moisture inside the cabin a surface to attach themselves to, and will make the condensation problem worse. So use a cleaner designed for car windows and polish with a clean microfibre cloth or newspaper. "It's also important to," says Richards. "There are small drains as little as a few millimetres wide that are built into the body of the car, and if you don't clean it then they can become blocked. "This build-up of detritus can then create dampness which contributes to the problem. " A very effective solution is to keep something in the car that will absorb moisture. Putting cat litter in a pair of old tights and keeping it under the seat is a popular strategy. There are also various portable car dehumidifiers which you can place around the cabin. Allowing the car to air whenever possible will also help. So if you're able to safely leave it with the windows open for a few hours, then do. If you've just got into your car and it's full of condensation, it's important to clear it before setting off so you have full visibility and can drive safely. Wipe the windows down thoroughly with a clean cloth and switch on the heater blower, directing it at the windscreen.


What heater settings are best for clearing condensation? Instead of poring over your car's manual, use this quick run-down of the right settings to use when demisting your car: Set your blowers to full, but keep the temperature cold at first. Point them at the windscreen and windows. If you have A/C, switch it on. This will help keep the air dry. If your car has heated windscreen settings, switch them on. Gradually increase the temperature until the windows are clear. Condensation inside the car is something that affects all vehicles. Weвve put together a quick primer on what causes car condensation and how to reduce its effects. What is condensation? Condensation forms when warm air containing moisture comes into contact with a cold surface,В such asВ your car window. When the warm air meets the cold air, the moisture in that warm air condenses onto that cold surface. Read more: On a car windscreen, this moisture takes the form of hundreds of tiny water droplets that, from a driverвs perspective, looks like a fog. What causes condensation inside a vehicle? Wet clothes/shoes/pets в water on these items will slowly evaporate into the cabin air or, if heavily soaked, cause the seats and carpet to become wet. Breath в when you or your pets breathe, that exhaled air contains a large amount of water vapour which is released into the cabin. A water leak. No circulation of fresh air. Are new cars more prone to condensation build up? Modern cars have much better seals, meaning they tend to be more water tight. This means that itвs more difficult for any air inside the vehicle to get out. If movement is created with a fresh air source, moisture levels will decrease. Well-sealed and insulated newer cars means this movement cannot happen. Read more: Increased insulation also allows modern cars to stay warmer longer after being parked; the longer the air inside the vehicle is warmer than the air outside, the more condensation will appear on the cold windows of the vehicle.


How can I reduce condensation in my car? As condensation collects in the air inside the cabin, the level of moisture will increase. В If this air is not vented to the outside then the condensation problem will increase. The most efficient way to remove moisture from the air is to use the vehicleвs air conditioning system. This system draws air from the cabin through an evaporator, which causes moisture in the air to condensate in a controlled way and drain out of the vehicle. If the cabin airВ is not regularlyВ refreshed then condensation will accumulate, as the moisture-filled air will not be removed. However, you can force this by changing the re-circulation feature from internal to fresh air. Donвt forget the demister function, either. Thatвs designed to clear the windscreen of condensation. This works by directing fresh air onto the windscreen,В which has the effect of drying the inside of the glass. If the features of the heater and air conditioning system are used as above, then the amount of condensation inside the vehicle will be reduced. However, it will never be removed в moisture will always be present inside the vehicle. Believe it or not, one of the key ways to keep condensation at bay is by simply keeping the insides of windows, particularly the windscreen, as clean as possible. A thorough clean of the windscreen will lessen the likelihood of condensation forming, and ensures that any that does form is removed quicker by the demisters. You can also buy a car dehumidifier bag. This is a small bean bag full of silicone balls that sits on the top of your dashboard and soaks up moisture from the air inside your car at all times.

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