I have a Sulcata tortoise who is around 3 years old. She is a very happy tortoise. Recently, my dad got tired of her taking up space so he moved her outside. Her area is really cute, and has all of the necessary items she needs. Except for heat. My dad (for some reason) does NOT want chords running outside. His main reasoning is "in the world, tortoises dont have heat lamps. She doesn't need it. There is no way I can fight back. Does anyone know how I can keep my little girl warm without electricity? Please help!! Cost is not a problem- I just need help.