I don't have this CHE on a thermostat because of the low wattage and the size of the enclosure. That was part of my month long test before I put a snake in there was how how it would get, and it doesn't heat anything over 85, and that's at the closest spot the BP could get to. And you're absolutely correct, even at the low wattage and, in my opinion, not high temps, it still sucks the humidity out of the tank. I think the lowest I've seen it drop on the hot side is 48%. Which I guess 2% below the recommended isn't terrible but, I hate to have the BP get a RI because I was more focused on ambient temps than humidity, especially if the belly heat is fine.
I think I'm just gonna splurge on a PVC enclosure with RHP at some point, I just don't know enough about them to really put together a set up.