A typical tank style water heater draws less than 5 000 watts and it will have relatively low standby losses.
Do tankless water heaters use electricity.
As a result tankless water heaters deliver a constant supply of hot water.
This piezoelectric starter makes a spark which ignites the natural gas to start heating the water you ll use to take your nice warm shower.
So regardless of the type of tankless water heater you have you ll be out of hot water in the event of a power outage.
They do not include a storage tank which uses energy continuously to heat the water even when it s not being used.
No a tankless gas water heater still requires some electricity to operate.
There are two main types of tankless water heaters.
A whole house tankless draws more than 25 000 watts of electricity and needs a 150 amp 240 volt breaker.
If your pilot light is fired up by your power source then you need to be on the grid.
When a hot water tap is turned on cold water travels through a pipe into the unit.
Tankless water heaters can be powered by gas or electricity but even gas powered tankless water heaters rely on an electric control panel to operate the system.
The alternative is to use an electric water heater even though the water heater uses natural gas as its primary fuel some models do indeed use electricity to get the pilot light burning.
Tankless water heaters provide hot water only when it is required.
Not only are modern models extremely efficient but these appliances are also very safe.
Tankless gas water heaters have an internal pc board electronic ignition and an electronic thermostat which is required to operate the water heater.
The total electrical service for many houses is less than that he adds.
Dana dorsett adds some particulars.
Either a gas burner or an electric element heats the water.
Most traditional tank systems also need electricity.