How to Stop Condensation in a Motorhome / Campervan

When you drive a motorhome or a campervan, it’s important to keep an eye on all the little details. Especially if you want to take care of your home on wheels and for it to last.

Condensation in a motorhome is a common and minor problem with motorhomes and campers, but it can have serious implications if left unaddressed.

If condensation in your motorhome leads to water damage, then you could be looking at a very expensive repair bill. The good news is that there are several ways to stop condensation from forming in your vehicle. As long as you catch the warning signs early enough, you can take care of the problem before secondary damage occurs.

This article covers some helpful tips on how to stop condensation in a motorhome so that it doesn’t become something much worse.

How to Stop Condensation in a Motorhome

If you notice any of these signs of condensation, you’ll want to act quickly to stop the problem from worsening. Fortunately, there are several ways to stop condensation in a motorhome.

The best method will depend on the cause of the condensation.

  1. Ventilation: If there isn’t enough air flow in the vehicle, that can cause the walls and roof to retain moisture. This can contribute to the formation of condensation. When cooking, showering, or doing laundry, be sure to open up any doors and windows to allow for proper ventilation. Additionally, you can also install a ventilation fan in your motorhome or campervan to help circulate air and reduce moisture levels.
  2. Installation: If the interior of your vehicle is warmer than the outside air, it will draw in that cold air and cause the walls and roof to retain moisture. You can prevent this by insulating the ceiling and walls with extra padding.
  3. Use a Dehumidifier: One of the best ways to stop condensation in a motorhome or campervan is to use a dehumidifier. Dehumidifiers work by removing moisture from the air, which can help to reduce the amount of condensation that forms on surfaces. Additionally, dehumidifiers can also help to reduce musty odors that can often accompany condensation.
  4. Use an Air Conditioner: If your motorhome or campervan is equipped with an air conditioner, using it can also help to reduce condensation. Air conditioners work by removing moisture from the air, which can help to keep surfaces dry and prevent mold and mildew from forming. Additionally, air conditioners can also help to keep the temperature inside your vehicle comfortable during hot summer days.
  5. Keep Surfaces Dry: Another way to prevent condensation is to keep surfaces inside your vehicle dry. Wipe down any wet surfaces after cooking, showering, or doing laundry. Additionally, you can place towels or rags on any surfaces that tend to collect condensation, such as windowsills or countertops.
  6. Reduce Humidity Levels: One of the main causes of condensation is high humidity levels. To reduce humidity levels inside your motorhome or campervan, you can use a humidifier or dehumidifier as mentioned above. Additionally, you can also try opening up doors and windows when possible to allow for proper ventilation and circulation of air.
  7. Monitor Temperature and Humidity Levels: Finally, it is important to monitor temperature and humidity levels inside your motorhome or campervan using a thermometer and hygrometer respectively. By keeping an eye on these levels, you can make adjustments as needed (e.g., opening up windows or using a dehumidifier) to prevent condensation from forming
  8. Moisture Catchers are also a great, cheap and efficient way to help reduce condensation in a motorhome or campervan.
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CUQOO Premium 500ml Dehumidifiers for Home Damp Pack of 10 – Dehumidifiers Disposable Moisture Absorber for Home | Powerful Small dehumidifier | Condensation Remover for Bedrooms, Caravans, Office
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UniBond AERO 360º Moisture Absorber, Ultra-Absorbent Dehumidifier, Helps to Prevent Condensation, Mould & Musty Smells, Refillable Condensation Absorber, 1 Device incl. 1 Refill Tab 450 g
Hysure Moisture Absorber Small Dehumidifier for Home Damp, Fit Small Space Kitchen Car Closet Cabinet Car Washroom Recharagable Base Included
Top Tip Buy
Kärcher WV 2 Plus Window Vac
CUQOO Premium 500ml Dehumidifiers for Home Damp Pack of 10 – Dehumidifiers Disposable Moisture Absorber for Home | Powerful Small dehumidifier | Condensation Remover for Bedrooms, Caravans, Office
UniBond AERO 360º Moisture Absorber, Ultra-Absorbent Dehumidifier, Helps to Prevent Condensation, Mould & Musty Smells, Refillable Condensation Absorber, 1 Device incl. 1 Refill Tab 450 g
Hysure Moisture Absorber Small Dehumidifier for Home Damp, Fit Small Space Kitchen Car Closet Cabinet Car Washroom Recharagable Base Included
Kärcher WV 2 Plus Window Vac
£22.95
£15.13
£24.99
£44.99
-
-
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-
Best Price
CUQOO Premium 500ml Dehumidifiers for Home Damp Pack of 10 – Dehumidifiers Disposable Moisture Absorber for Home | Powerful Small dehumidifier | Condensation Remover for Bedrooms, Caravans, Office
CUQOO Premium 500ml Dehumidifiers for Home Damp Pack of 10 – Dehumidifiers Disposable Moisture Absorber for Home | Powerful Small dehumidifier | Condensation Remover for Bedrooms, Caravans, Office
£22.95
-
Best Buy
UniBond AERO 360º Moisture Absorber, Ultra-Absorbent Dehumidifier, Helps to Prevent Condensation, Mould & Musty Smells, Refillable Condensation Absorber, 1 Device incl. 1 Refill Tab 450 g
UniBond AERO 360º Moisture Absorber, Ultra-Absorbent Dehumidifier, Helps to Prevent Condensation, Mould & Musty Smells, Refillable Condensation Absorber, 1 Device incl. 1 Refill Tab 450 g
£15.13
-
Hysure Moisture Absorber Small Dehumidifier for Home Damp, Fit Small Space Kitchen Car Closet Cabinet Car Washroom Recharagable Base Included
Hysure Moisture Absorber Small Dehumidifier for Home Damp, Fit Small Space Kitchen Car Closet Cabinet Car Washroom Recharagable Base Included
£24.99
-
Top Tip Buy
Kärcher WV 2 Plus Window Vac
Kärcher WV 2 Plus Window Vac
£44.99
-
How to Stop Condensation in a Motorhome / Campervan

Moisture Absorber Dehumidifiers

TIP – A Karcher window vac won’t stop condensation but it’s a good way to help remove condensation when it does occur.

How to Stop Condensation in a Motorhome / Campervan

Karcher Window Vac

What is Condensation?

First and foremost, we should discuss what exactly we’re dealing with when we talk about “condensation.” Condensation is the process of water vapor changing back into liquid water due to a change in temperature or pressure.

This process is at the core of why we have fog, clouds, and rain (among other things). You see, air, like all matter, has a specific temperature at which it is at its ideal state. When a warm surface comes into contact with a cooler surface, the warmer area transfers its heat to the cooler surface.

This causes the water vapor contained in the warm surface to condense into liquid water.

condensation in a motorhome
Condensation on the windows of our motorhome

Identifying the Cause of Condensation in a Motorhome

To understand how to stop condensation in a motorhome, it’s important to know how to recognise it in the first place. In its early stages, condensation is often subtle and easy to miss. It often appears as small droplets of water forming on the inside of the windows.

With time, these droplets will collect in a puddle. If you fail to catch the problem early enough, that puddle could begin to drip and cause significant damage to the inside of your vehicle.

The most common signs of condensation in a motorhome are: –

  • Small droplets on the inside of windows
  • Condensation on the walls and roof of the motorhome
  • Excessive humidity in the air inside the vehicle
  • A noticeable musty smell inside the motorhome
How to Stop Condensation in a Motorhome / Campervan
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Resolving the Cause of Condensation in a Motorhome

If you’ve gone through the above steps and still haven’t stopped the condensation, then it’s time to get a bit more serious about the problem.

Identify the cause of the condensation, and you’ll have a much better chance of stopping it in its tracks. Some common reasons for condensation in motorhomes include:

– A faulty roof vent: If your roof vent is clogged or not functioning properly, that can trap moisture inside the vehicle. Make sure your roof vent is clean and fully functional.

– An insufficient heat source: If your heating system isn’t strong enough to counter the chill of the outside air, the walls and ceiling will retain moisture. Make sure you have a powerful enough heat source.

– Excessive humidity: If your water supply is causing excessive humidity, you’ll want to invest in a dehumidifier.

Should you use a dehumidifier in a motorhome?

A dehumidifier is a great tool for preventing and remedying the issues associated with condensation. However, you should be careful when determining where to place it.

Ideally, you’ll want to put the dehumidifier in the roof of your vehicle. If you put it in the garage, it could cause the floor above it to become too dry.

The dehumidifier is likely to start drawing from the floorboards and cause them to rot. On the other hand, if you put the dehumidifier in the roof, it will draw moisture from the walls and ceiling. This will help to prevent the formation of condensation, while simultaneously removing the existing moisture.

Conclusion

In short, there’s nothing quite as enjoyable as living in a motorhome. Unfortunately, there are some common problems with motorhomes that can complicate your life.

One of the biggest issues is the formation of condensation. The best way to stop condensation in a motorhome is to prevent it from forming in the first place.

If you identify the cause of the condensation and take steps to resolve it, you’ll be much less likely to run into problems with water damage. In turn, this will keep your motorhome in great condition and let you enjoy it for many years to come.

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