[Loren]

My reptile room is 84 during the day and anywhere from 72 to 78 at night- depending on the time of year.
Many of the snakes also have belly heat in the rear of the cages, but only the lizards, and my ground snake, have heat lamps, and only the lizards have full spectrum.
The only light the rest of the reptiles get is from the lizards lights lighting the room slightly.
The windows are covered in insulation panels.

Everybody seems to do fine this way- been like this for a couple years. They eat great, and grow well. Even the racers and garters.

Eventually I will install undershelf lighting for all the tanks for my viewing pleasure, and might make them come on with a timer for a few hours just to give the snakes a real daytime.