there really isnt a warmer room available since i share a house with 2 other people. If there were no easier resolutions to this dilema i was debating on buying one of those infared heaters that cost like 2cents to run a day (human use one) say they heat about 1000 to 4000 sq feet and are thermostat controlled.at the moment im not really worried about the temp of the cage since winter is on its way out. Im more worried about the humidity level being correct which i believe is most important, correct me if im wrong. A infared heat light hovering above tank would increase temperature in the sterlite container? better than in a glass tank?