Tank Versus Tankless Hot Water Heaters

Although they require fewer btu h to operate storage tank water heaters generally have higher operating costs because they heat and reheat water to a preset temperature regardless of a home s hot water demand.

Tank versus tankless hot water heaters.

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. If you use lots of hot water daily around 86 gallons you might enjoy energy efficiency of an additional 8 to 14 percent. And s torage tank water heaters while less expensive up front don t last as long as tankless options. For a tank based traditional hot water system the lifespan is usually 10 years.

The operational life of a tankless water heater is usually 20 years if not more. 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. Instead they heat water as it passes through the unit using a heat exchanger to rapidly bring it. Water heaters with tanks.

As their name implies tankless or on demand water heaters don t store water in a tank. Homeowners with on demand tankless water heaters that use less than 41 gallons or less of hot water each day enjoy between 24 and 34 percent more energy efficiency than storage tank water heaters. Energy efficient according to consumerreports tankless water heaters on average are 22 percent more energy efficient than traditional water heaters. No waiting for hot water tankless hot water heaters instantly heat the water you need.