20g tank for my one corn: regulated UTH for belly heat, doesn't need a basking lamp as his temps are where they should be ambient (we heat/cool the rooms to where it needs to be for them)
Rack systems: All belly heat via regulated flexwatt
4' Viv for my largest boa: Also belly heat with regulated flexwatt, no RHPs/basking lamps needed as ambients are kept where they need to be