Water heater installation costs range from $900 to $3,000 ... range in size from 20 gallons to over 100 gallons, with a 40-gallon tank being the most common for a two-person household.

The price will also depend on how large the tank is; a four-gallon ... heater, with the average cost being $220. How much does it cost to replace a water expansion tank? It costs between $40 ...

the higher the cost. The appropriate water heater size for your home depends on the number of people in your household and the demand for hot water. For example, for a three-person household, a 40–50 ...

If that sounds complicated, he also has a good rule of thumb. "The cost and efficiency differences between a 40-gallon and a 50-gallon water heater are usually minimal," he says, "So I suggest if you ...

Water heater installation costs typically range from $906 to $3,910, but homeowners will pay around $2,400 on average depending on the type of heater, tank size, and other factors. Installing a ...