It really depends on the environment of the room they are kept in...
~~McKinsey~~
"Men have forgotten this truth," said the fox. "But you must not forget it. You become responsible, forever, for what you have tamed."
~The Little Prince; Antoine de Saint Exupery
It really depends on the environment of the room they are kept in...
I agree. I find that if the ambient temperature in the room is above 70, you won't have a problem with any of the configurations. My advice is to start with a warm room first. This is important regardless of what snakes/other reptiles you keep.