Tankless Water Heater Vs Hot Water Tank

Cost and process of installing a tankless vs hot water tank.

Tankless water heater vs hot water tank. The main difference between tankless water heaters and hot water tanks is that tankless models only use energy when you turn on the tap. According to energy research done by energy gov if you are using a 40 gallon tank of hot water or less your energy demand is typically less than 50 percent with a tankless water heater compared to a water heater tank. Hot water tank pros. The life expectancy of a conventional hot water tank is about 12 to 15 years.

You aren t paying to store a huge tank of water while you re away at work or at night when you re sleeping. Tankless water heaters do cost more than water tanks but you do get these advantages. Otherwise installing a tankless water heater that is used only for one appliance is another solution. This is known as point of use and allows high water demand appliance such as dishwashers to have their own supply.

The operational life of a tankless water heater is usually 20 years if not more. If you are replacing a hot water tank with another hot water tank it s usually a fairly inexpensive installation. 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.

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.