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Old 07-04-2023, 03:45 PM   #1
Winnebago Camper
Join Date: Feb 2018
Location: The Villages, Florida
Posts: 41
Roof air inadequate 2020 View 24D

Sitting in my 2020 Winn View 24d. Itís 5:00 pm and outside temp here on northern Georgia in high 80ís.INSIDE COACH TEMP UP TO 85 degrees with all windows covered.

Anybody else unhappy with roof air not adequate enough to cool coach to at least middle upper 70 degrees?

Even using engine air right now to try to bring down temps.
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Old 07-04-2023, 09:17 PM   #2
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Location: Spring Branch, TX
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If the A/C is working correctly then it should be blowing cold air. However, you have to start cold early in the day and stay cold. If you let your RV get too hot during the heat of the day it can take hours to get the temp inside to cool even a little.

Of course, it could also be a problem with your A/C. Stick an instant read thermometer into the air flow at the A/C unit. It should be ~20 degrees colder than the outside air.
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Old 07-05-2023, 06:14 PM   #3
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Location: North America somewhere
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Creativepart is right. If you open up the RV at night or early in the morning, humidity is absorbed by everything made of fabric inside the RV. When you do turn on the A/C it first must remove all that humidity before it can do much cooling.
The solution, keep your RV buttoned up tight when you need to run the A/C.

There are other possibilities. The Delta between return air into the A/C unit and chilled air exiting the unit should be near 20 deg difference. If that is not happening you must find out why and correct the problem.
When you remove the ceiling unit you see a divider separating chilled air from return air. If that has any leaks between the air sources, it greatly reduces efficiency and performance. Use metal duct tape to seal all leaks.
Keep air filters clean dirty filters restrict return air flow.
Keep the windshield blocked with insulation to reduce the workload on the A/C unit.
Insure the evaporator and condenser coils are clean of debris, dirty coils will greatly reduce the transfer of heat/cooling. Buy spray cans of aluminum-safe foaming coil cleaner and follow directions.
I stress, turn on your A/C early so outside temperature doesn't get ahead of your unit and force it to play catch-up.
That is the main stuff you can easily do.
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA. "We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution." Abraham Lincoln
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Old 07-05-2023, 06:40 PM   #4
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Earlier post are dead on point. Hence the main reason we don't plant trips July or August. Getting a shady site will help a bunch too.
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Old 07-09-2023, 06:31 AM   #5
Winnebago Camper
Join Date: Mar 2020
Posts: 18
We hae a 2019 Navion J and had the same issues.
The thing that helped the best was installing a blanket that seperates the cab from the house. The cab side lets in both solar heat and also through the cab vents.

Grandpa Ron has a you tube video on it, but instead of a moving blanket, we used a regular blanket.
The blanket keeps the cab unit seperate when you need to and opens up when not needed.
When traveling, the blanket keeps the cab isolated so that there is less house rattles and lets the cab ac/heat work better.
This is also true for the heating season.

2019 Navion J
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Old 07-16-2023, 10:41 AM   #6
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Join Date: Aug 2016
Posts: 86
My 15 View had a cooling problem, I bought a temp gun to check temp. Next I got ac tape to seal the vents and the AC . I cleaned all of the vents, they had wood chips. A hot day at 100 and with AC on all day, it did not cool. I took to the dealer and after a couple of week they found it did not cool correct. The replacement works well. I have been in hot weather and it’s good.
When driving in hot weather it’s smart to turn on the gen an hour before you camp.

The test is 20 degrees from hot to cold air. If you have that you are good. Clean filter is also needed.
KH 2015 Winnebago View G
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roof, view

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