Either a gas burner or an electric element heats the water.
Electric tankless hot water heater vs tank.
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 warranty.
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.
Beyond just picking a new water heater it s also important to understand the installation and costs involved in the decision.
No waiting for hot water tankless hot water heaters instantly heat the water you need.
If you are just upgrading an old hot water tank with a new one there is likely little involved in the process.
You re not limited to the capacity of a holding tank.
If you use lots of hot water daily around 86 gallons you might enjoy energy efficiency of an additional 8 to 14 percent.
Tankless water heaters heat water directly without the use of a storage tank.
Cost and process of installing a tankless vs hot water tank.