Originally Posted by Sniperhank
I've had many heaters through all of my years of keeping fish. I've only had one heater dump out on me. It was so many years ago I don't even remember who made it besides the fact it was cheap. If you are able to spend an extra couple on a good heater you will have better results. With the wonders of the internet, compared the guess work and being limited by what your LFS
had before such, you can read pages upon pages of reviews on them to help put your mind at ease.
x2. I've had good experience with both Eheim and Aqueon heaters.