Right Now I keep all my samples and bulk tobacco in zip lock bags then in a sealed tupperware container in the garage on a shelf over my workbench. This is where my pipes are and where I primarily smoke my pipes. My sealed tins are on the shelf as well, but not in the tupperware. I live in the high deserts of New Mexico where temperatures can get pretty warm during the summer. Since the garage is not air conditioned it can get pretty warm in there, but dry heat, not humid. Would it be better for me to move my tobacco into the house where I have evaporative cooling. And would it prolong the life of the unsealed tins if they were kept in the refrigerator?