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Old 07-24-2015, 10:47 AM   #1
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AC Ducting Condensation Dripping

Had this new (12/2014) Wildcat 327CK in for warranty work in 4/2015 for multiple issues including no AC airflow to the front BR. The dealer service rep told me the ceiling ducting between the one AC and the BR was "messed up." FR's solution was to install a second AC in the front BR.

We've used the RV for the past week and a half. I noticed a lot of condensation on the bathroom ceiling below the ducting going to the BR. We have not used the BR air during this period. Now, the condensation shows on the ceiling over a five foot length, right below the ducting path to the BR.

Since the ducting passes over the wall between the kitchen cabinets and the bathroom, I am of the opinion it will always be wet in that area when running the AC, potentially causing water damage to the wall and ceiling.

We're very disappointed overall with this RV, anyway, and ready to go to war with FR over this obviously defective/damaged ceiling ducting. Since the ducting is integral to the roof assembly I'm envisioning a real fix would involve removing the roof.

I suppose I'm looking for opinions for potential damage and also validation of my thoughts on repair, and I don't want to overact, either. I have attached some photos. Thank you.
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Old 07-25-2015, 04:45 AM   #2
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This will happen in my bathroom if I leave the roof vent open. I have max air covers. It's the humidity from the outside air. Will happen if on the cover of the main ac cover if a bunch of in and out. Take a towel to wipe it off. Just like condensation on a glass with ice cold drink.

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Old 07-27-2015, 02:59 PM   #3
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"arpipeliner" is correct in that humidity is the problem, not your A/C unit. My previous TT had the "ducted air' built into the ceiling also. When we would camp in a high humidity area, which it's impossible not to do in S. Ga., we would have this same problem. The colder air from the A/C would flow through the ducting causing the dew point of the water in the air within the camper to condense on the ceiling then drip down. When I moved the grill plate so the cold air would blow straight down this problem went away. The worse area was just over the dinette table. If we were to go somewhere and leave the A/C running, when we came back the table would be covered in water. Eventually this led to water running between the edging of the table causing the particle board of the table to swell up. I just made a new table from some old wood I had and it turned out rather pretty. I have no answer as to how to solve your problem but if you can move the baffle in the grill plate do that and see if the condensation problem goes away.
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Old 08-19-2015, 12:26 PM   #4
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Hello, we have discovered the same problem, what was your outcome?
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Old 08-19-2015, 02:24 PM   #5
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Originally Posted by seamoorebeemoore View Post
Hello, we have discovered the same problem, what was your outcome?
FR is declining to do anything. Suggested we buy a dehumidifier because it's happening in FL. They didn't mention anything about the ducting. I previously used the tech's language that the ducting was "messed up." In fact, the service writer put in writing that the ducting was "crushed."

I still conclude the crushed ducting is causing airflow to stop, causing the excessive condensation under the damaged area. The dealer's service manager left me a voice message saying he wanted to talk to me about the excessive condensation, his words. I need to return his call.

I don't consider it a closed issue. I called and left a voice mail with FR customer service last Friday. They haven't called me back yet.
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Old 08-23-2015, 08:38 PM   #6
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"phillyg": I disagree with one point in your post #5. IF the duct for the A/C is crushed so as to prevent airflow then I wouldn't think that you would have this condensation problem. The reason: Cold air flowing through the duct would cause the surrounding materials of the roof/ceiling to become cooler therefore lowering the dew point of the air within the RV. IF no air were flowing then the materials surrounding the A/C duct would not be getting cold enough to drop the dew point of the RV's interior air.

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