Water heater replacement in Atlanta always costs less when you replace with a tankless water heater because of the lower cost to operate the units and the more then double life expectancy of a tankless water heater vs. a traditional tank hot water heater. Atlanta Tankless Water Heaters in Atlanta gets the most competitive pricing per unit from Noritz, Rinnai, and Rheem which are all local to the Metro Atlanta area. Actual estimates for the cost of tankless water heaters from various Atlanta plumbing companies are able to be clicked on to the left.