Tankless Hot Water Heater Vs Tank

Instead they heat water as it passes through the unit using a heat exchanger to rapidly bring it.

Tankless hot water heater vs tank. And storage tank water heaters while less expensive up front don t last as long as tankless options. 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. Water heaters with tanks.

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. For a tank based traditional hot water system the lifespan is usually 10 years. Tankless water heaters heat water directly without the use of a storage tank. It uses high powered burners to rapidly heat water as it runs through a heat exchanger and deliver it directly to your faucets or shower without storing it in a tank.

Tankless water heaters are more compact and can heat up water as you use it. 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. Either a gas burner or an electric element heats the water.