Best methods to prevent condensation inside your car on cold mornings

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As the weather turns and the mornings get colder, you may start to see condensation forming inside your car. There are a number of reasons that can cause condensation to form on your windscreen and windows first thing in the morning – and they pretty much all amount to there being too much moisture in the vehicle.

A leak somewhere is often the prime culprit, reports the Mirror, but even long-discarded cans of fizzy drinks or coffee cups still rolling around in the passenger footwells can be factors. Here are some tips for getting to the root of the problem and clearing condensation when in a hurry.

How to stop condensation forming inside your car

The first thing to do is check where moisture is getting into the car from. Edmund King, president of AA, said damp coats and boots can sometimes be the cause, along with a pollen filter that is full of water. However, the most likely answer is that the condensation is being caused by a leak.

Offering advice, Mr King said: “Check the pollen filter first – this is on the intake side of the heater, often under the dash or in the plenum chamber (the area under the windscreen in the engine compartment).

“Then have a look at the spare wheel well for signs of water ingress (it usually leaks in round the rear lights or through the tailgate seal). Water can also leak in through the bulkhead. This is the panel between the back of the dashboard and the engine bay.”

If a leak is found, Mr King says the best thing motorists can do is mop up the water with old towels and have the source of the leak sealed up.

Homebase share tips for spotting damp patches

“Remove damp mats, clothing and boots, particularly at night, and let them dry out,” he said. “On sunny days when the car is parked on your drive, open the windows a little way to let some fresh air in. Air conditioning systems dry out the air before cooling or warming it, so use it while driving to help complete the drying process.

“If you carry lots of passengers or animals in the car make sure it is well-ventilated as the moisture in their breath quickly mists up the glass.”

Why it’s vital to clear condensation before driving

When you have somewhere to get to, it is not always possible to go scouring around for leaks or the source of the water infestation. Yet, if you do plan on driving, it is vital that you clear the condensation from the windscreen first. It is both key for the safety of you, your passengers and other road users but it is also unlawful to drive with your vision impaired in any way.

Rule 229 of the Highway Code states motorists cannot have their windscreen obscured by ice, snow or condensation, and failure to clear it could get you slapped with a £60 police fine.

Start Rescue said the best way of clearing the moisture is likely to be the car’s heating system. The roadside assistant operators said: “If your vehicle has heated windscreens, turn them on. Turn on your blower full-blast but without heat to begin with and aim it at your windows. Gradually increase the heat over a few minutes. If you have one installed, use your air-conditioning system to dry the air.”

It is not only moisture inside of your car that you need to keep an eye out for. At this time of year, temperatures are lower and there is more rain which creates the perfect conditions for excess moisture and damp inside the home.

The extra rain makes penetrating and rising damp worse, and can cause damage to your roof, leading to leaks and damp ceilings and walls. Even the general heating of your home can contribute to condensation damp.

Some of the best ways to avoid this are reducing the moisture levels inside of your home (such as the moisture released when drying clothes inside), increasing ventilation, and maintaining pipes to avoid leaks. 

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