Tankless Hot Water Heater Vs Tank

The doe notes that storage tank water heaters typically last 10 to 15 years while most tankless units have a life expectancy of 20 years or more.

Tankless hot water heater vs tank. With regular maintenance and repairs a tankless system may last up to 30 years or up to 3 times longer than a traditional hot water heater. According to energy gov for homes that use 41 gallons or less of hot water daily demand or tankless water heaters can be 24 to 34 more energy efficient than conventional storage tank water heaters. One of the first things to consider is whether you should get a tank or tankless water heater. And storage tank water heaters while less expensive up front don t last as long as tankless options.

Instead they heat water as it passes through the unit using a heat exchanger to rapidly bring it. For a tank based traditional hot water system the lifespan is usually 10 years. Either a gas burner or an electric element heats the water. The operational life of a tankless water heater is usually 20 years if not more.

As their name implies tankless or on demand water heaters don t store water in a tank. Tankless water heaters if gas fired will save homeowners over 100 annually the longer they remain in service. Tankless water heaters heat water directly without the use of a storage tank.