Ever since I first learned about these guys, I have been sold! They have excellent customer service and do much more than just service your water. They do a return visit and everything! When I purchase my house, I will be calling them first! Plus, they have been around since 1968 and are still family owned. That's pretty awesome!
The site is a little mixed up right now, but I think they are updating the site. There is a ton of information on this site even though it is messed up. I learned a lot about water from them. I also bought one of their systems.