on a 33 gal exo terra and 73 degree room. i use a heat mat set on 80 degrees. the 26 watt 2 uvb bulbs that fit in the exo hood and a 25 or 40 watt reg light bulb set on the screen top in a clamp lamp fixture, depending on the season ,winter or summer. also at night a 25 or 40 watt red bulb in a clamp lamp . the cage is planted and cocoa fiber substrate. its about 85 to 90 degrees at the very top and air temp 70 to 75 at bottom.