Electric tankless water heaters are on average more efficient.
Tankless water heaters gas or electric is better.
Because of this gas tankless units are less expensive to operate.
Expected energy savings over equipment lifetime.
We rated the annual energy consumption cost excellent for a gas.
If your home lacks access to both natural gas and propane the obvious answer to the electric versus gas tankless water debate is electric.
Electric tankless water heaters are extremely energy efficient with more than 98 of energy supplied to the units actually be used to heat the water.
Gas tankless water heaters are capable of delivering more hot water over 8 gpm than electric systems.
On the other hand gas tankless water heaters generally have an energy factor of less than 85.
A gas tankless heater may be a better fit for a household with a large family that has a high demand for hot water.
Similarly if you often suffer from power shortages a gas heater is going to be the better choice provided you choose a unit with no electrical components.
They can reach ef of 0 98 while gas powered ones reach ef of 0 9.
Gas water heaters of all types also contribute to greenhouse gas emissions.
Fuel prices fluctuate but currently the price of gas is lower than electricity.
Tankless gas or electric 45 60.
As a general rule you can expect a gas tankless water heater to achieve an efficiency rating of 80 to 85.
Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type.