Tankless Vs Tank Water Heater Efficiency

And s torage tank water heaters while less expensive up front don t last as long as tankless options.

Tankless vs tank water heater efficiency.

Gas tankless water heaters produce a higher flow rate than that of electric water heaters. Like the tank water heaters you can go with a gas or electric option for tankless water heaters. Tankless water heaters are more compact and can heat up water as you use it. 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.

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. Water heaters with tanks. While tankless water heaters run more efficiently than storage tank water heaters replacing a tank water heater with a tankless can be expensive and the payback time can be longer than the. If you use lots of hot water daily around 86 gallons you might enjoy energy efficiency of an additional 8 to 14 percent.

Although the highest efficiency storage tank units might be comparable to tankless units in the percentage of captured heat energy that doesn t tell the whole story. A flow rate is just the gallons used per minute.