Buy biggest tankless water heater. Choose top rated water heater with gas electric feature. See tankless water heater for small big size family..Learn all about installing or replacing a solar water heater costs. Read general solar water heater prices, tips and get free plumbing estimates. CostOwl.com.HomeAdvisor’s Water Heater Cost Guide lists pricesociated with installing or replacing a water heater including labor and materials, as reported by HomeAdvisor customers..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 where they say it should take a home owner hours to do the job themselves, which I won’t do, and that $ is too much to pay for professional installation..
Tank vs. Tankless. Average cost with installation Tank $. gallon tank Tankless $, .