When it comes to tankless water heaters, choose a Fountain Hills, AZ plumber that you can trust. AC by J has served the Fountain Hills area for over three decades, which means we know a thing or two about getting hot water into your home. There are a lot of great reasons to consider a tankless water heater installation, but we find that some of our customers are still unsure about upgrading their units simply because they are not familiar with what tankless water heaters have to offer. If you are on the fence about whether or not to upgrade your water heater, here are a few things that you might want to consider.