Mine are in my office beside my desk. It can get pretty chilly in here, too...especially at night. I have a blanket, folded over so it's doubled, and draped over the small rack, so the entire front (where the heat escapes) is covered. This keeps the cool side temps up where they need to be. During the day when it's warmer, and anytime I clean, change water, feed, etc...it's a simple matter to just flip the blanket up. I think the snakes like the enclosed, dark feeling it provides as well.