Testing the Thermostats on a Dual Element Water Heater. Since most electric water heaters use both an upper and lower element, the process outline below is for them..A plumber will charge $, to install a tankless water heater vs. doing it yourself for $. Enter your ZIP Code and adjust the improvement and repair cost for .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 .
Tank vs. Tankless. Average cost with installation Tank $. gallon tank Tankless $, .