Snake in unheated room

Question
Hi i have been wanting to get a baby/adult? Corn snake for a while now.
My wife hates snakes and will only let me get one if i put it in a unoccupied bedroom that isn't heated in the winter,We have central air in this room in the summer but no heat in the winter months.
My question is: Can i keep him in this room in the winter with a "uth" set at about 85f on one side? Or should i get another "UTH" for the other side as well with a thermostat to keep the temps slightly lower and more natural?

I plan on keeping him in a 20 gal fish tank with screen top if i get an adult, or a small critter keeper if i get a baby.
The room i will be keeping him in can get close to freezing in the winter,but is well insulated.

Thanks in advance
-Ray

Answer
I keep my corns in my unheated and uninsulated garage during the winter and the temp sometimes dips into the low 30's, so short answer-yes, you can do that.  The trick is to cycle them so that they don't have food rotting in their belly.  If you have a UTH you might have more than enough heat so that you won't even have to worry about it.