We have added a awning over the main slide. Blocking graphic on the big rear window Insulation in all the roof vents recently removed the ceiling A/C vents all windows tinted and that helped a lot.
The temps on the outside gel coat on this pretty cark colored big sky can get into the 114/124 degrees range in 100 degree heat inside walls can get into the 80's and 90's. Both our A /C's are working to spec's good airflow temps in the mid to high 50's at the A/C. At 100 degrees outside temp we never have hit the set point of 77 degrees with both A/C's running. These are big dark colored tin cans sitting in the direct sunlight. I can stand under the open A/C vents in the back of the 3402 and feel the cool air blowing on my body but it just can't keep up with the interior radiated heat.
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