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2019 Water Heater Installation Costs | Price to Replace a ...

There are a number of factors that play a part in the cost of installing a new hot water heater. Tank vs. Tankless. Average cost with installation: Tank - $889.00 (40 to 50 gallon tank) Tankless - $3,000.00; Water heaters come in two different styles: tank and tankless. Both heat your water, but they do it in different ways.