How to Avoid Condensation in an RV

How to Avoid Condensation in an RV. Foggy windows and damp interiors? In this week's tech tip, we're tackling the issue of condensation in your RV. Learn practical strategies to keep your home-on-wheels dry and comfortable, especially as the weather cools down.
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[@denniskwasnycia1950]

One thing not mentioned, when cooking, use the vent over the stove. Also when showering, use the vent.

[@robh063]

What a timely tech tip. I knew dehumidifiers help to prevent condensation but I didn't have one. I got up one morning last week (in central Florida) and noticed my windows full of condensation and a puddle of water on the window ledge along the entire width of the window. I went to Walmart and bought a 22 pint floor model dehumidifier for $152 and in the first 24 hours, I removed close to a gallon of water from the air. The relative humidity in our RV went from 71% down to 43%. Now I run it for a few hours each evening before going to bed and I haven't had any condensation appear on the windows since doing it this way. I would run it 24/7 but we pay for our electricity (.18 per Kwh) at the RV park we're at so this way I can keep the cost down and still accomplish what I need to. Thanks for doing a video on condensation!

[@GatorsRock0219]

Interesting, I didn't know that the furnace creates moisture which makes sense. Thank you, Todd!

[@PHMadness]

It doesn't. He's absolutely incorrect. Propane combustion by product is water, yes, but the combustion takes place outside. My furnace serves to dry the air, sometimes excessively. As I sit, the inside humidity is 33, the outside is 77.

[@WoodmoreCampgroundRindge]

We winter a bit in GA and use 3M indoor window kits and it is awesome at cutting down and almost eliminating condensation. On windows we don't mind loosing the view or get all day sun we add smart shield, a reflective insulation.

[@btorr2945]

Obviously along with venting, keeping a window cracked etc. running a fan to circulate the air helps. My Eberspacher heater puts out “dry” air which also helps my camper out.

[@mchurch3905]

I’ve got a 2012 Tiffin Allegro Red 38ft. I’d like to replace the vinyl tile flooring with porcelain tile with an electric grid heat in the subfloor.

[@waynehowes523]

Doesn't the furnace exhaust outside the rv? That would put the condensation outside.

[@LiveTomorrowNow]

We enjoy your informative videos and tips!! Great share!! Hope you have a blessed 2024!❤Zack & Linda

[@WILDEBILL308]

Great video on a common problem.

[@valeriecross9184]

Thanks for the info!

[@johnhines3591]

Crack open a ceiling vent or window to vent moisture. We exhale a lot of moisture. Furnace doesn't put moisture inside rv as combustion is completely vented outside.

[@CampRanger28]

I wish the NRVTA was in NY

[@syzygy1294]

Cool. Best of luck to you.

[@davewilson3360]

Stor-dry is different from the crystals..it plugs in and is meant to run continuous without issues. I have this under bed where most cold is..I use propane for cooking and furnace this takes care of heavy condensation.

[@sindeecharlton8857]

Will insulation help? I have a slide and my slide walls get wet. I do have a dehumidifier. My motor home is 35 foot and I full time in it.

[@sandyruther2745]

We use Damp Rid hanging all over the rv. Eventually, it would be more cost-effective to purchase a dehumidifier.

[@cindybarszcz1595]

He do I on a I have a heat pump?

[@jeffsteele1295]

how can I find out about your RV batteries ?

[@NationalRVTrainingAcademy]

Check us out @ bigbeardbatteries.com/

[@sifilmaker]

If you're storing your RV, leave the vents open and let air circulate through it. Most of the condensation builds up because there is no airflow. A dehumidifier works but again you still need airflow. Also you need to get rid of the water it collects unless you get one with a pump to pump it out then you have to run the line outside and if it freezes it will clog up the line. Humidity builds up faster in an enclosed area that's warmer than the outside area, as the outside becomes cold and then the surfaces become cold, humidity builds up in the form of condensation on the surfaces. Leave vents open in the RV during the winter so the temp evens out throughout the day and you will get no condensation build up inside. If you live full-time in the RV you also need to leave vents open to allow the humidity caused by breathing, which expels a ton of air. Anyone that has camped out in the winter in a tent knows this because they wake up with condensation all over the walls of the tent and your floor and sleeping bag gets wet. This is from the moisture expelled while you breathe.

[@Dougy_Fresh]

If you're storing it, just put a moisute absorber or two in there and close it all up tight. Done. That's it. Leaving vents open leaves more potential access to pests while stored. And yes, I've seen mice/chipmunks/squirrels chew through vent screen.

[@horizontraveler3180]

Come on, propane furnace burns propane which does create water vapor but the combustion chamber vents outside so unless you have jerry rigged your propane furnace to exhaust into your RV, it cannot add moisture inside your RV. Same with propane refrigerator as it too exhausts outside of the RV. So Always leave bathroom vent open when showering. Consider leaving bathroom door shut with vent open until both shower and towel has dried after showering. Always turn kitchen hood vent on and opened whenever cooking and minimize boiling water. Use 'coolest' hot water when washing dishes. Use local laundromat vs RV washer and dryer.

[@luminousveiws]

And stop breathing! 😁 Seriously, you're right about the furnace. But the effect of heating the air is to allow for condensation elsewhere.

[@CuriousinNY]

Where is the video on how to avoid condensation in an RV???

[@NationalRVTrainingAcademy]

So it premiers at 6:00pm central.