Oil filled heaters are one of the safest only most are 1500 watts which can use up a whole 15 amp breaker itself and trip it! I got a small under desk oil filled heaters they are only 400 watts which my herstat pro can control (or any avereage t-stat) and they are thin and out of the way. Made for under your desk. They have them at www.air-n-water.com . I have one in each snake room and they are controled perfectly!