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Old 03-16-2019, 11:56 AM   #1
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Condensation on windows!

Advice needed! Were staying in our travel trailer on a lake where it is cool outside. Were running our heat and had our bathroom vent open as always. We woke up this morning to condensation on all of our windows. We have Dri-rid we keep in our camper. What caused the condensation and how can we stop it and clean the windows??? Any suggestions or advice is greatly appreciated!!! Thanks in advance!!!
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Old 03-16-2019, 12:28 PM   #2
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Advice needed! Were staying in our travel trailer on a lake where it is cool outside. Were running our heat and had our bathroom vent open as always. We woke up this morning to condensation on all of our windows. We have Dri-rid we keep in our camper. What caused the condensation and how can we stop it and clean the windows??? Any suggestions or advice is greatly appreciated!!! Thanks in advance!!!
You likely caused the condensation on the windows.
Your breathing, as well as your cooking and bathing.

Condensation happens in houses quite often where it stays cold for some time in the winter.

Cold windows cause humidity to condense on the glass, it will run down and cause the wood in the sash to rot after a while.

The solution; double paned windows. The inside pane is insulated from the outside glass by a layer of air sealed between them.

You don't have that luxury in an RV.
Either keep the humidity lower inside, by opening the vents, breathing/cooking/living less, or run the heat warmer (cars do this by blowing warm air on the windows) to warm up the windows above the dew point.

Or buy some sealing wrap for the windows (3M Window Insulator Kit, $20 or so on Amazon).

I would do the last thing. It works well, saves heating costs, is easy to apply, and most importantly; easy to remove.

It is essentially plastic wrap that covers the windows. I use it on the older single pane windows in my house.
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Old 03-16-2019, 12:35 PM   #3
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moisture is always going to go to the coolest spot in the room. aka as your single pane rv windows. Burning propane also causes moisture along with breathing and cooking like already stated. Run a dehumidifier in your shower if it bugs you and keep your bath vent open
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Old 03-16-2019, 01:07 PM   #4
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If you are having condensation on the windows, you will likely have condensation under the mattress if it is over an unheated area. The moisture from your body penetrated the mattress and condenses on the cold bed deck surface. If you have this issue, you can place a 4' X 8' sheet of 1/2" construction foam under the mattress.
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Old 03-16-2019, 01:14 PM   #5
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One of the simplest ways is to get some air moving. Run a fan that will circulate the air. As others have posted, your breathing, running water, cooking, showering, etc. will cause humidity. Dry that humidity up with heat and moving air.

Yes, a dehumidifier would work great, but the difference in cost - $15 for a fan and $150+ for a dehumidifier. Try the fan first. If it works, great. If not, buy the dehumidifier and you can still use the fan for other things.
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Old 03-16-2019, 02:30 PM   #6
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One of the simplest ways is to get some air moving. Run a fan that will circulate the air. As others have posted, your breathing, running water, cooking, showering, etc. will cause humidity. Dry that humidity up with heat and moving air.

Yes, a dehumidifier would work great, but the difference in cost - $15 for a fan and $150+ for a dehumidifier. Try the fan first. If it works, great. If not, buy the dehumidifier and you can still use the fan for other things.
Another huge difference between fan and de-humidifier. A fan merely keeps air moving so you don't see the condensation on the windows. It still forms in the cool corners and in cabinets where the fan isn't circulating air.

A Dehumidifier will actually REMOVE the moisture that is given off by humans and their activities. An RV is far more confined than a house where there are greater exchanges of air with the outside.

There is one fan that will help but only if used reguarly and that's the exhaust fan over the stove (which should be on whenever the stove is lit) and the bathroom fan which is a must when showering. Most people don't use the fan over the stove because it's too noisy but unless they do, just be prepared for condensation. Then hope warm weather shows up so you can open up and let the accumulated moisture permeating everything escape.

#1 reason why manufacturers say "This unit is not meant for permanent occupancy".
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Old 03-24-2019, 08:15 PM   #7
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Buy Electric Blanket for the bed and top it off with a quilt, leave the bath fan running along with one of the bedroom windows cracked an inch or so. And set your thermostat about +20 or 25 degrees above the outside temp.
Drawing in dry cold air from the outside helps absorb some of the moisture you are giving off in the bedroom and is exhausted through the bathroom.

It basically comes down to reduce the temp difference between inside and outside

AND

Increase the movement of moist air out of the camper, preferably while introducing drier cooler air.
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Old 03-25-2019, 05:43 AM   #8
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Double Paned Windows

"The solution; double paned windows. The inside pane is insulated from the outside glass by a layer of air sealed between them.

You don't have that luxury in an RV."

Agree with your post but FYI, many RV indeed have double paned windows. My Riverstone does.

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Old 03-25-2019, 06:09 AM   #9
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go to WM and buy a 30 QT dehumidifier. You will learn when you need to run it.
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Old 03-25-2019, 09:12 AM   #10
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30 pint actually cavie, lol 30 quarter would be enormous! BTW, I was able to get a non electronic display 30 pint Frigidaire from Lowes for 156 bucks with my military discount. If it fits in my small TT, it will fit just about any unit.
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