Quote Originally Posted by PaulyMolitor View Post
Im attaching the heating pad to the frame not the individual drawers for every day convienence. Roughly I want to have a heating pad that 18"x12" any suggestions?
Most pads aren't safe for plastic. If you're doing a rack system you'll want to use heat tape or heat cable with a thermostat to make sure it doesn't get too hot. Search this section for a tread about rack systems.