I use a CHE for all my snakes. The lamps all have a dimmer. For keeping humidity in use cardboard cut to the size of the lid and cover completely with foil. I have a tutorial. I only spray once or twice a week.
For or the heat mat it should not really feel warm to you. We are 98.6 so the uth won't really be warm to the touch. Use a infrared heat gun and always measure at the glass without substrate.
My tutorial:
https://ball-pythons.net/forums/show...ferrerid=68955
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