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.

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 water heaters if gas fired will save homeowners over 100 annually the longer they remain in service. One of the first things to consider is whether you should get a tank or tankless water heater. As their name implies tankless or on demand water heaters don t store water in a tank.

Water heaters with tanks. 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. 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. 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. 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.