From JD's posts and others about this product I have to agree that this appears to be a great option. Worth a look by many owners.
However, as I have previously stated, for those with limited headroom for storage of our OE2's, the Chill Cube's extra 5 1/2" height above what most slim line units have can be a deal killing concern.
In 2019 I saw an RV try to pass under an old railroad bridge where an asphault overlay had been done, but the posted bridge clearance had not been updated. He cleared off several items on his roof. At the time I thought the driver was an idiot and his mistake was sadly funny. But when I stopped and helped him measure the actual clearance, I became a witness in his insurance report. Not so funny after all. With my tall telestep ladder he "rattle canned" paint sprayed out the wrong height posted. Suspect the RR got the bill for repairs. But he had to suffer for some time without his two AC's, antenna, and exhaust fan. What a PITA for his family.
So if increasing the height of anything on your roof, please re-adjust your bridge clearance alert as well. My personal alert is anytime I see a posted clearance of 10 feet 0 inches (or less), I stop and slow walk the passage. So knowing what your trailer's actual clearance minimum is a smart idea!
GJ