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.

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 if gas fired will save homeowners over 100 annually the longer they remain in service. Water heaters with tanks. Tankless water heaters are more compact and can heat up water as you use it.

The operational life of a tankless water heater is usually 20 years if not more. For a tank based traditional hot water system the lifespan is usually 10 years. As their name implies tankless or on demand water heaters don t store water in a tank. 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. 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. 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.