Department of energy estimates that in homes using 41 gallons or less of hot water on demand tankless units can conserve between 24 to 34 more energy than tank water heaters.
Replacing electric water heater with tankless.
Well we did it installed an atmor thermopro 24k tankless water heater and we are going to take you along as we do it.
We will review what it took to install.
The higher the energy factor the more efficient the water heater.
Tankless water heater systems provide a continuous flow of hot water on demand without the use of a storage tank.
Call your local department of inspections and ask if you need a permit.
For a household of one or two people a tankless electric unit will probably be adequate.
This information will serve as the starting point in your search for replacement parts or a new water heater.
The steps for replacing a propane water heater are exactly the same and those for an electric water heater are similar.
Atmor 900 series 240 volt 13 kw 2 25 gpm point of use tankless electric water heater.
For an electric model assuming energy costs of 0 132 per kwh the payback time to replace a conventional electric tank with an electric tankless ranges from 12 to 20 years.
If you have an electric water heater the nameplate will also list the wattage capacity and voltage of the heating elements.
Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.
For help choosing a water heater read our water heater buying guide.
In addition to their compact space saving design tankless water heaters can reduce your energy consumption by 30 40 percent compared to conventional tank based units and last 20 years or more.
Now that you have decided to replace your tank hot water heater with a tankless hot water heater you will be saving as much as 100 or more annually on your water heating bills.
In any case when you re planning a water heater replacement play it safe.
We re replacing a natural gas water heater in our demonstration.