I have 3 feet of this wrapped around the inside of my frem chamber attached to a love controller and it works perfectly.
http://www.reptilebasics.com/flexwatt-heat-tape/11-flexwatt-heat-tape/
I have the Johnson controls analog version that i don't need anymore.
http://www.northernbrewer.com/brewing/johnson-refrigerator-thermostat.html
$45 +shipping
Power distribution panel
(thanks to The Pol for inspiration)
Setup
The presentation last week went great. The last couple days leading up to it were pretty packed getting everything ready and wired up. I didn't have much time for testing because i didn't have my power hook up until...