The higher the energy factor the more efficient the water heater.
Tankless gas water heater electrical requirements.
For a household of one or two people a tankless electric unit will probably be adequate.
Pool spa heaters.
Carpentry although you won t be working with wood you need to be familiar with levels to ensure a level base and may need to anchor pipes to ceiling beams.
Gas tankless models may have different venting and gas supply requirements meaning you may need to increase the diameter of the pipe from the water heater to the gas meter.
They are about a third of the size of a gas heater meaning that they are suitable even if you have limited space.
Simply locate the appropriate water heater sizes on ecomfort using your information.
Tankless electric water heaters.
Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted.
Electrical even gas water heaters have electrical parts and need to be hooked up to your breaker box.
And electric tankless.
Thanks to the simplicity of the unit and no need for ventilation there are multiple options as to where you can install an electric heater.
Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.
Electric units have measurements in the 10 inch high to 7 inch wide range while gas fired.
Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.
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.
Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.
Tankless gas water heaters.
Tankless electric water heaters are the smallest type of all water heaters.
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.