You'll be back to tell us all we are correct and that you need lamps, thermostats, and soon you may need humidifiers, space heaters, or even more! Have fun with you snake when he decides to stop eating. You'll post and say, "OMG MY SNAKE HASN'T EATEN! WHAT DO I DO!?" and the first question people will ask is, "What's your husbandry like?" and as soon as you say you're only using a UTH without a thermostat and that you have your humidity unregulated, they'll tell you to get your tank conditions up to par and then he might eat.