Your water heater is an important part of your home, especially if you have a family. Between cooking, cleaning, doing dishes, washing clothes, washing hands, and all the other things you use hot water for throughout the day, knowing that your water heater can handle your needs is vital. If your trusty old water heater has seen better days, it may be time to look for a replacement. Chances are a lot has changed in water heaters since yours was installed, though, so here are some of the more recent advancements in water heaters that you should know about.