i am building it out of a old stand up type freezer. i plan on using infrared heat lamps for the heat source. but i am trying to decide what is the best thermostat to use. I see that alot of people are using hot water heater thermostats and i am just concerned that it will very in temp to much. i am using a 8in desk fan for the ari movement. I have built a egg turner out of a 110volt motor controled by a timed relay, the frame work is made from pvc pipe with egg cartons with holes cut in the bottum for the egg cradles. if u guys have a better idea's for the egg cradles or the thermostat i would be very greatfull for any info! thanks in advance.