ive been wondering the same thing but i think it has to do with where you are located at..im in NM now and we dont have central air which removes humidity..cant have a high humidity and a low temp...high humidity and warm temps go hand in hand but we have a swamp cooler which actually pumps is water cooled air.. i have a 16x16x30 inch reptibreeze and i have a 100 wat reptile basking bulb in an 8 inch dome sitting right on top of the cage, basking temp is about 85-90 depending on my room temp 5-7 inches down which is ok for my female veiled, i also got a shower liner from wal mart and cut a piece to fit around 2 sides (back and left side) i pulled it fairly tight and just used some gorilla tape to secure it to the cage so its a pretty tight seal. i still get good air movement but the air doesnt just blow straight out of the cage and i have a good bit of live foliage in it also, hibiscus, a dracanea, a mini umbrella and about 5 feet of a pothos vine so that also cuts down on the cross breeze just sucking all the warm air out and they help keep the humidity up..ive noticed in alot of posts that people humidity goes down at night..and im wondering why..if youve ever been anywhere in the gulf coast or the tropics where the humidity is stupid high....its way more humid at nigh and in the morning than it is during the day..im from ouside New Orleans and man...the temp might be 85 but the humidity is at like 85-90..feels like its 95-100 degrees at night