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Old 04-14-2013, 02:49 PM   #1
LeeMedic
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Join Date: May 2011
Location: SW Florida
Posts: 196
Condensation Problem

OK, this weekend was the maiden voyage for our 2013 Montana 3582RL. We are camping in SW Florida and the temperature outdoors is just hitting 90 degrees.

We have the Dometic 15,000 running and the 13,500 running in the bedroom.

We first noticed some condensation at the ceiling vents. Later in the afternoon we notice a wet square on the ceiling approx 18 inches X 10 inches square just below the location of the 15,000 A/C unit.

When I say wet, I mean serious water that took a bunch of paper towels to absorb.

Today I bring our Montana home, plug it into our 30 amp and just run the 15,000 unit while unloading. Within a few short minutes we notice that same area getting wet again.

I get a ladder out, dry it off and notice that square area is COLD!! The rest of the ceiling in that area is warm to very warm, but that area is COLD. Thus the reason for the condensation.

Can anyone tell me why it would be cold there thus causing the condensation?
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2013 Keystone Montana 3582RL 38'
2006 Ford F350 Dually, 8' bed, Diesel 6.0
Curt 20K Hitch
Retired U.S. Army
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