Infographic: Everything You Need to Know About Water Heaters.

Stop reading reviews and just hire Mike. He's knowledgeable, informative and easy to work with. You won't find anyone better to be on your side during the biggest purchase of your life. I was impressed with how thorough he was finding issues and that he took the time to give practical advice regarding stuff to keep an eye on. It's rare to find highly skilled people that are also incredibly decent and pleasant to be around. Mike is that rare find.