Thought I would post a pic of my walk in closet incubator in case anyone wants to do something similar. It has a 2" styrofoam floor covered by some thin flimsy plywood board. I plan on putting styrofoam on the walls, but since the walk in closet is in my snake room, the heater does not run as much as it would if it was in another part of the building. I have an oil filled space heater hooked up to a helix thermostat. I think I might add a fan to circulate the air, but I have been running this system just like this with no issues for 4 or 5 years now, maybe 6:)
Dave
http://i491.photobucket.com/albums/r...l/IMGP4453.jpg