Buy biggest tankless water heater. Choose top rated water heater with gas electric feature. See tankless water heater for small big size family..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..HomeAdvisor’s Tankless Water Heater Cost Guide gives the average prices for electric and gas systems, installation, replacement, and maintenance as well as cost comparisons fornds like Rinnai, AO Smith and Polaris..
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