Basic Practices for RV Humidity Reduction



From the Moisture Management Manual and online articles, I’ve also learned some tips and tricks for keeping our trailer dry:


1)  Make sure your trailer or RV is well-ventilated.

2) To circulate air, open a vent when steam is produced during cooking, cleaning, or washing.

3) When we breathe, we produce CO2 and H2O, especially when we sleep. You can open a nearby window just a crack or more if the weather permits.

4) Avoid drying clothing in your trailer. It is best to dry outside whenever possible.

5) Reducing humidity and increasing heat can be accomplished with the help of appliances. My other moisture absorbers include DampRid Refillable Moisture Absorber as well as DampRid Hanging Moisture Absorber, which are great for small enclosed spaces such as the closet or bathroom. You can also keep your clothes dry with them.

6) Refrain from drastic thermostat setbacks. Setting your thermostat to a lower temperature while you are away or asleep is a common trick. A temperature set at 10 degrees or lower may result in a rapid decrease in indoor temperature, as well as condensation on windows and cold surfaces, particularly during cold weather.

7) Ensure that all storage areas are cleaned regularly.  Using a cloth dampened with cleaning solution, wipe down the areas. Cleaning with 70% water and 30% white vinegar is a simple solution that removes mildew and mold. One cup of oxygen bleach to one gallon of water or roughly 1 tablespoon to one cup of water will produce something stronger and still safe for the environment (OxyClean or Bio Kleen Oxygen Bleach Power). Mixes like this can be used on vinyl as well.

8) Keep your trailer or RV’s exterior in good condition. Prevent water seepage by regularly washing and waxing the exterior. Make regular checks for gaps, tears, punctures, and sealant failures. As time goes on, some areas may require resealing.

9) Extreme environments should be considered. Trailers that are used in tropical zones or in freezing locations such as mountains will require special care and maintenance.

10) Clean up mess as soon as possible. If food, water, or animal accident spills are not cleaned up quickly and disinfected, mold and bacteria can grow.

11) Hanging thicker curtains and/or using double reflective insulation outside the window in order to prevent radiant heat from escaping. One of the easiest and cheapest ways to keep an RV warm is this one.

More to explorer

Which RVs should be winter-ready?

RVs can withstand freezing temperatures with the following features.  If you plan to camp in cold weather, look for these RV features. 

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