Are electric tankless water heaters more energy efficient?

Do electric tankless water heaters use more electricity?

Energy Use and Efficiency

Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. … “Electric models actually run more efficiently,” he says, “but the higher cost of electricity makes them more costly to operate.”

How much does it cost to run an electric tankless water heater?

The annual operating costs for electric water heaters averages about $75 for the lowest capacities to more than $300 per year for whole-house electric tankless water heaters. Gas water heaters cost approximately $200 to $600 per year to operate based on their size and efficiency.

What size breaker do I need for a tankless water heater?

A gas tankless water heater only needs a 15-amp, 120 volt dedicated single-pole breaker for this purpose.

Why do tankless water heaters cost more to install?

In general, purchasing and installing a tankless water heater costs about 2 to 2.5 times as much as a standard water heater because of the higher production costs of the unit, venting, and resizing the gas line and gas meter required to support the unit’s demand.

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