My house is naturally warm in summer, usually hovering between mid 70's. Unfortunately, in winter it's quite cold. That's why I'd prefer a heating element if I was to have a tub. I can't just use a space heater in my room in winter either, as I have a gecko who can't handle 80's. Out of curiosity of the vision enclosures, which would be best? If I were to go that way. Do you have any other suggestions, as well?