want rack but room is too cold........

[2006gt]

What should i do??

im going to be building a melamine rack, and i dont have a snake room so i wanted to see how i can keep the temps good in my tubs in the rack, i am going to be making a rack W/ 5 tubs. and im going to be using 11x11 ultratherms or 11" flex watt. the rack is going to be in my room that is usually at 75 degrees farenheight. will the heat tape beable to heat up the bins, i cant use a heater (parents dont want me too) right now my 2 balls are in glass tanks with, che's (i am misting morning and night on cypress mulch to maintain proper humidity 65% is more when in shed. can someone help me can i insulate it somehow I need help!!!

thanks in advance for any and all help offered.

Manny