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01-07-2017, 07:30 AM
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#1
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Member
Join Date: Nov 2014
Posts: 72
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Condensation on windows
I am camping in the panhandle of Florida. It got down to 28 degrees last night and will be 25 tonight. When I woke up this morning, I had a lot of condensation on front window and side drivers window. I cracked a window last night and pulled up the front shade but still did not seem to help. Any suggestions to help this situation?? Thanks for your input.
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01-07-2017, 07:44 AM
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#2
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Senior Member
Monaco Owners Club
Join Date: May 2012
Location: DFW, Tex-US
Posts: 6,196
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Single pane windows WILL have condensation when the temp difference is great...
Just about everything you do inside generates moisture in the air... your breathing, cooking, the propane furnace, etc.. etc...
Ventilation is the key, they say leave a window open, but I never liked that idea, so I run the electric heat pump which seems to dry it out some...
when I DO run the furnace and lose the front blind, our windshield will be wet
getting a dehumidifier might help too -some friends set their's up in the sink so it drains into there
__________________
'11 Monaco Diplomat 43DFT RR10R pushed by a '14 Jeep Wrangler JKU. History.. 5'ers: 13 Redwood 38gk(junk!), 11 MVP Destiny, Open Range TT, Winn LeSharo, C's, popups, vans, tents...
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01-07-2017, 11:42 AM
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#3
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Senior Member
Join Date: Sep 2012
Posts: 8,055
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FWIW do some reading about dew point and dew. Glass in general and single pane in particular is a poor insulator so it will be close to the outside temperature. As long as that is lower than the dew point in your environment water will condense out of the air.
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01-07-2017, 02:18 PM
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#4
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Jul 2012
Location: Manitoba, Canada
Posts: 555
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Quote:
Originally Posted by JohnBoyToo
Just about everything you do inside generates moisture in the air... the propane furnace, etc.. etc...
....
when I DO run the furnace and lose the front blind, our windshield will be wet
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Just to set the records straight, a properly installed and operated RV LPG furnaces does not add moisture to the inside of your coach. The furnace has a sealed combustion chamber which draws fresh air from outside and sends the exhaust back to the outside as well. On the house side of the heat exchanger/combustion chamber, the system draws air from within the coach, passes it over the heat exchanger and returns it to the coach.
If your furnace is adding moisture to your inside air, you have a cracked heat exchanger and your are adding carbon-monoxide to the air which can kill you.
__________________
Jake
2005 DSDP 4024, Cummins ISL 370, Spartan MM Chassis / 2018 Ford Taurus, Roadmaster Base Plate, Blue Ox Aventa LX Tow Bar, RVI 2 Brakes
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01-07-2017, 02:21 PM
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#5
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Senior Member
Join Date: Mar 2015
Posts: 2,984
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How does a propane furnace generate moisture in the coach when it vents the combustion gases outside?
__________________
'04 Newmar Mountain Aire 4016
400ISL/Freightliner
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01-08-2017, 04:30 AM
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#6
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Senior Member
Join Date: Sep 2012
Posts: 8,055
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A propane furnace does not do it. A propane stove will generate some from the flame. A human exhales 1-2 quarts of water per day under normal conditions. Then there are showers, towels, tea kettles, etc.
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01-08-2017, 06:11 AM
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#7
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Senior Member
Join Date: Jan 2014
Location: Safety Harbor, FL
Posts: 2,523
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Dehumidifier is the best solution.
__________________
2022 Thor Palazzo 33.5
2016 Jeep Wrangler Unlimited Rubicon Toad - Readybrute Elite Towbar
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01-08-2017, 06:18 AM
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#8
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,310
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Also, try and refrain for accelerated heart rate and heavy breathing
Along with a humidity gauge inside to monitor the inside humidity, and try to use methods to keep it lower, especially in colder temps.
__________________
2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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01-08-2017, 07:22 AM
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#9
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Senior Member
Newmar Owners Club
Join Date: Jul 2011
Posts: 3,474
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We were in temps in the low 20s a few nights last week. Nothing I tried had any effect on windshield condensation. Double pane windows, window cracked open, etc. I conclude it's the cost of doing business in cold weather. It didn't seem to matter if it was the heat pumps or propane furnace providing the heat.
__________________
2021 DSDP 4326 Freightliner
2023 Winnebago ERA 70A
2005 KSDP 3910 Spartan
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01-08-2017, 08:02 AM
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#10
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Senior Member
Newmar Owners Club
Join Date: Oct 2011
Location: On the road.
Posts: 1,432
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Just wet? Try 24" of frost on the inside of the windshield. 14* will do that for you. Like others have stated, glass is a great conductor of heat or lack of heat.
__________________
John & Diann
2014 Dutch Star 4364
2016 Ford Edge Sport
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01-08-2017, 08:10 AM
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#11
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Member
Join Date: Jan 2009
Posts: 35
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When taking a shower, run the exhaust fan... then wipe the water off the shower walls, etc. This stopped the condensation in my motorhome.
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