Tank water heaters usually won't have a 100 percent reserve of hot water available, because the unit doesn't keep the entire water tank hot for usage. Most tank water heaters can last 10-15 years, yet they are considered to be less energy efficient than tankless water heaters.
See "How do tankless and tank water heaters compare?"
Typical Costs for Buying a Tank Water HeaterLow-End Estimate: About $200
High-End Estimate: $3,000 or more
Gas and propane tank water heater units are more expensive than those that use electricity, and price also depends on tank size.
Be sure to look for a tank water heater unit with a higher Energy Factor. Your money savings over the life of the unit will make up for the higher price when you buy it. Learn more about energy savings at EnergySavers.gov.
Typical Costs for Installing a Tank Water HeaterLow-End Estimate: $205
High-End Estimate: $275
Installation costs always depend on local labor and material costs.
If you're having an older tank water heater hauled away, be sure to ask if the estimate includes this removal/disposal cost.
What to Expect from InstallersInstallers will:
- Determine the best type of tank water heater for your home (depending on the fuel type available in your area)
- Check the plumbing to ensure the new tank water heater has the same dimensions as the existing hot and cold water pipes.
- Turn off the utilities to the existing tank water heater.
- Drain the existing tank water heater.
- Use tools to disconnect the utility lines.
- Remove the old tank water heater.
- Move the new tank water heater into the proper location.