One thing I've seen burn out standard bulbs out really fast is cold temps. It's almost like the filaments go through some sort of transition zone temperature wise that makes them brittle. The heating/cooling cycle must be hard on them. When flipping on lights in sheds, barns, or homes that are at or below freezing, I've found the bulbs tend to have very short lives.Originally Posted by OlafTheBrave
Another thing that can get you is if the voltage to the house is varying a lot. I had some problems with the service wiring in a house once, the voltage would swing around over a range of about 5 volts at times, particularly when the washing machine was running. The lights were dimming and brightening in cycle with it. Couldn't have been good for them, as I changed out quite a few bulbs.
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