What is the Best Whole House Electric Tankless Water Heater?

electric whole house water heater

whole house electric water heaters

From the enhanced efficiency and convenience hot water assures you to the adequate storage you get from electric tanks, you will never want to let go of them. Their safety, heating and recovery rates and the low operating costs that they expose you to will endear you to them. However, the only challenge would be how to get the best electric tank for your whole house.

It will always be vital to keep in mind that electric tanks will come in handy in giving you the convenience that you so deserve. However, you can only get value for your money if you invest in the right option. It is in this regard that we explore the following variables.

What Is the Best Whole House Electric Tankless Water Heater?

Rheem Chambers Large Capacity Residential Whole House Electric Tankless Water Heater

how to choose whole house heater

Editor Rating: 4.6


  • 5.9 GPM water flow
  • Self-modulation technology to adjust hot water demand
  • Simple installation
  • LED display
  • High energy efficient

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How to Choose a Whole House Tankless Electric Heater

Various aspects go into the choosing of tankless electric heaters for your house. Remember, there is no single electric heater that will fit everyone. It is in this regard that we look at the different variables that should guide you when choosing your ideal water heater. They include the following.

electric whole house water heater

• Temperature rise

One of the aspects that you should always make a priority is the temperature rise of the tankless water heater. Most often, it will be ideal for you to go for a heater that comes with a temperature rise of more than 55 degrees F.

• Check the size

We are not talking about how much water the tankless heater should hold. Instead, the focus is on how much water it can heat at per minute. Can it produce at least a 55-degree rise in temperature within a minute when 5.2 gallons of water pass through? If it can, it is your perfect choice.

• Be sure of the budget

Some tankless water heaters will cost you more than others. It will, therefore, be upon you to compare how different options are priced and choose whichever suits you best. The chosen heater should also be a lot more affordable to maintain.

• Efficiency

Let your focus be on how much energy this tankless water heater can save. Such will be the right time for you to confirm the EF rating that the given tankless water heater comes with.

How Long Does Stiebel Eltron Tempra 24 Tankless Water Heater Last?

Does the Stiebel Eltron work? Yes, it does, and effectively so. But besides this, it will always be vital to understand how long your choice will last. That this electric tankless water heater lasts for relatively long is no longer a secret. In most cases, you will be confident of a lifespan of between 20 and 30 years. What is more, proper maintenance could enhance the longevity of this tankless water heater. For instance, if you keep using filtered or soft water, you could end up staying with it for close to half a century.

How to Install Tankless Electric Water Heaters

Nothing could be more relevant to you than understanding how to install your tankless electric water heater. Usually, you will be free to fit it between studs or against the drywall. It will involve the following steps.

how to choose whole house electric heater

  • Use stud finders to help in locating studs before you can cut a hole between them.
  • Direct your water supply to the water heater.
  • Ensure that the water inlet is directly connected to the outlet.
  • Fix shutoff valves on both lines.
  • Open the water valves and the faucets in the house, which ensures that water freely runs for a minute.
  • If there are inline filters, remove them.
  • Switch on the electricity and check whether your system is now functioning.

What Size Do I Need for My Electric Tankless Water Heater?

Ideally, there is no specific size of an electric tankless water heater that you can pick for your house. The choice is reliant on various variables, including the following.

• The number of occupants

An increase in the number of people within a household will often determine how big an option you should consider. In most cases, you will need a tankless water heater with a capacity of 40-50 gallons per minute if your household has two people. If you have more than five people in the house, an 80 gallon per minute tankless water heater will come in handy.

• The water flow rate in your house

The flow rate of your showerhead will be the one to dictate how big your tankless water heater should be. For instance, if you have three showerheads in the house, and each of them has a 1.8-GPM capacity, the size of your heater should be 5.4GPM.

• Temperature rise

The higher the temperature rise, the better it will be for you. It will always be vital to be sure of the required temperature rise in your house. This process will involve subtracting the incoming water temperature from the expected shower temperature. .teh difference you get should guide you to pick the right water heater.

How to Install a Whole House Tempra 24 Tankless Water Heater

This process will often involve the following steps.

• Shut off both the water and electricity flows, and drain the water in your tank
• Run PVC pipes into the tankless water heater, connecting it to the outside where there is enough ventilation
• Connect the cold water supply to the water heater
• Fix the hot water lines out of the heater, preferably with copper wire
• Turn on the cold water supply
• Switch on power and test

Where is the Best Place to Install A Whole House Electric Tankless Water Heater

Undoubtedly, electric tankless water heaters tend to be relatively small. And getting tempted to put them anywhere is hardly uncommon. Well, you will be free to fix these devices in any small space you find available, but cautiously so. The best places for you to put this device would be under the sink or in the pantries. You could even put them in your closets.

You can hardly overlook how vital whole house electric tankless water heaters tend to be. As long as you understand which one suits you and where to place it, you will be good to go.

Recommended Whole House Electric Water Heaters


David: Penn State-educated Mechanical Engineer and Business-savvy Fluid Dynamics Specialist. Balances family plumbing business support with a thriving engineering career at a top, undisclosed company. (they want it that way) I help Will with plumbing and HVAC needs on his Real Estate.

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