How much electric water heater should cost. Average costs and comments from CostHelper’s team of professional journalists and community of users. Conventional storage .How much should it cost to have a standard tank gas water heater installed? In , I paid $ to have one installed in Atlanta. I have read a few DIY boards .How can you tell when you need a water heater replacement? Here are five clues that your water heater needs to be replaced..Learn how to replace a gas water heater thermocouple on older styles with standing pilot, or newer electronic ignition with flame sensor..
Tank vs. Tankless. Average cost with installation Tank $. gallon tank Tankless $, .