I'm not a fan of bulbs. They can explode, need changing out, aren't as easy to get temperature accurate, and suck humidity. I think an RHP is the best solution for heating an enclosure for snakes so far. It doesn't suck humidity, eliminates the risk of burns, long lasting (10 year warranty and should last much longer than that), creates a perfect heat gradient, and is the least likely to be a fire hazard.