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Lowering the Chance of Condensation In Your RV



Does it ever look like your RV might be sweating? Does moisture build up on your windows while you cook or does your bathroom mirror fog after a nice hot shower? Condensation can form for a variety of reasons, and it poses a serious risk to your RV. Condensation cultivates the buildup of moisture which then promotes an environment that is susceptible to mold and mildew. Once mold, mildew, and water damage has set in, it can be difficult to reverse and repairs can be costly. By lowering the chance of condensation in your RV, you reduce your vulnerability to the development of mold and mildew, thereby protecting your home away from home so that it can treat you to new adventures year after year!

Cook With Caution




When you’re boiling water on the stove, you are creating heat which releases water vapor into the air inside of your RV. Whenever possible, do your cooking outside in the fresh, open air and you will dramatically cut down on the level of condensation within your rig. If you must cook inside, try to keep your pots and pans covered, and make sure to keep your vents open and your exhaust fan on to help direct some of that water vapor outside.

Crack a Window




The greater the disparity between the temperature inside your rig and the temperature outside, the more likely condensation is to form on the more poorly-insulated areas within the RV. By cracking a window for a few minutes at a time, the exchange of fresh air will help to balance out the temperature and take some of the humidity out of the air. You can also create a barrier to limit the effects of temperature disparities by installing DIY window insulation.

Light The Way




Most new RVs come standard with LED lights, but this trick could come in handy for those with older rigs. If your RV still has incandescent lights, consider switching them out for LEDs or fluorescent lights. Incandescent lights radiate significantly more heat which encourages the formation of condensation in your roof and on your ceiling lights.

Let The Bathroom Breathe




When it comes to reducing moisture in your bathroom, ventilation is key. Hot showers can generate a lot of steam which puts a high level of condensation in the air of your RV. Whenever you bathe, keep the door closed and be sure to have the exhaust vents open and the extractor fan turned on. If there is a bathroom window, keep it slightly open to draw some of the steam outdoors.

The Almighty Dehumidifier




When you just can’t seem to escape the threat of condensation, a dehumidifier can always be a last resort that is sure to help lower the buildup of moisture in your RV. You can find dehumidifiers in relatively small, compact designs that can operate well in the confines of a mobile unit. Investing in a dehumidifier could save you a decent sum of money down the road by ensuring that a proper moisture level is maintained within your rig.

Miscellaneous Tricks To Reduce Moisture




  • Use an absorbent towel to soak up condensation when you notice it forming.

  • Don’t hang up wet clothes to dry inside of the RV.

  • Line your cabinets with newspaper and place a box of baking soda within.

  • Aftermarket products like DampRid and moisture-absorbing crystals can also be used to take some of the humidity out of the air.


In taking a few minor precautions to lower the chance of condensation in your RV, you could be ensuring that you don’t have a mold or mildew problem to deal with later down the line. How do you deal with the development of condensation in your RV? Leave us a comment!

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