Best Tankless Electric Water Heaters

When incoming water temperatures reach as low as 37°F you should not run out of hot water. That’s when a Tankless electric water heater comes into picture.

Other Electric Heaters Normally Used:

The other heaters used are family storage water heater which offers a ready reservoir — from 20 to 80 gallons — of hot water which take some time (15-30 minutes) to get heated and be ready for use.

When hot water is drained out from the bottom of the tank equal amount of cold water flows in from the top of the tank.

The water is constantly heated even when we are not draining out any hot water, this is a standby loss.
They priced much lower than a tankless water heaters, but water heating costs are more.

Tank Electric Water Heater

Tankless electric water

These water heaters can save energy, but at a higher initial cost. Smaller tankless water heaters take up very little space.

When sized correctly your tankless water heater will provide you with endless on-demand hot water. It heats water as it passes through the unit, instead of storing hot water like a tank type or storage water heater.

My choice of Best Tankless electric water heaters is the Ecosmart Tankless Electric Water Heaters

EcoSmart ECO 27 Electric Tankless Water Heaters, 27 KW at 240 Volts, 112.5 Amps

Save Money, Save Space, Save Energy

A traditional tank heaters takes up a lot of space, But Ecosmart Tankless Electric Water Heaters’ sleek, wall-mounted design frees up floor space for more storage. Save up to 12 cubic feet of storage space.

The Ecosmart Tankless Electric Water Heaters is the largest electric tankless water heaters which has the capability of consuming only the amount of energy needed to heat the water to the required temperature based on the input water temperature using the self-modulating flow sensor technology.

A digital temperature control allows you to set your temperature in increments of 1 degree, so you can set the temperature anywhere from 80°F – 140°F.

Eco 27 Smart Tankless Electric Water heater

The Ecosmart ECO 27 Tankless Electric Water Heaters is capable of hot water at the rate of 3 gallons per minute at temperatures as low as 37°F.

It can provide hot water to two showers running simultaneously. That is you would never run out of hot water.

However if you are in the southern United States, the ECO 27 can handle up to 6 gallons per minute, which means you can run four showers and a sink simultaneously and never run out of hot water.

You can get a continuous supply of hot water to fill a tub. There is no necessity to keep 50 gallons of water got in storage ranks at extra cost and also waste energy as storage loss. Thus saving you up to 50% in water heating costs

Construction

Copper and stainless components designed for efficiency, durability and easy replacement.

Electrical requirements

  • 27 kW, 240 volts,
  • (3) 40 Amps Double Pole breakers, 112.5 maximum power (AMP),
  • Recommended Electrical Panel: 200 Amps

Warranty Description

Lifetime Warranty on electronics, exchanger and element.

Warranty only covers cost of heater; does not cover labor or any incidental damages.

Installation

Because of the intricate nature of this installation, it is better to have a professional installation.
Also you may need to purchase

  • the Aqua-Pure AP430SS Hot Water System Protector that ensures that hardness minerals bind Magnesium and calcium so that they do not precipitate out of solution  on to metallic surfaces.
  • Watts LFTWH-FT-HCN Service Valve Kit for Tankless Water Heater- These are are designed to simplify the installation, maintenance and operation of tankless water heaters.

Watts Service Valve Kit

Pick your model according to your needs

A fully electric unit that can handle a large volume of water at an impressive temperature range. An amazing range to suit different climatic conditions.

Here is a guide to help select the model suitable for your homes

Eco 11 Smart Tankless Electric Water heater

 

The ECO 11 is ideally suited for temperature conditions of 67°F and is capable of providing hot water in the range of 86°F – 140°F at the rate of 2 gallons per minute.

Using the ECO 11, two sinks and one shower can have hot water running simultaneously, in warm climate.

However, only two sinks can have hot water running simultaneously in colder climates.

 

 

Eco 18 Smart Tankless Electric Water heater

The ECO 18 is considered a mid-range Tankless Electric Water heater as it provides hot water at about 2.5 gallons per minute.

in cold weather at temperatures around 37°F, using the ECO 18, a sink and a shower can have hot water running simultaneously.
However, two sinks and two showers can have hot water running simultaneously in warm climates

 

 

 

Eco 24 Smart Tankless Electric Water heater

 

in cold weather at temperatures around 37°F, using the ECO 24, a shower and two sinks can have hot water running simultaneously.
However, two sinks and three showers can have hot water running simultaneously in warm climates.
Eco 36 Smart Tankless Electric Water heater

The ECO 36 Electric Tankless Water Heater is the largest in the range of this type produced by EcoSmart.

in cold weather at temperatures around 37°F, using the ECO 36, a shower and two sinks can have hot water running simultaneously.
However, three showers and two-and-a half sinks can have hot water running simultaneously in warm climates


 

My other choice is the Stiebel Eltron Tankless Electric Water Heater

Stiebel Eltron Tempra plus 36 kW, tankless electric water heater Advanced water Flow Control and a Technology that Modulates the power required

The stiebel eltron tankless electric water heater is a marvel from Germany is one of the most technologically advanced tankless Electric water heater.

It is constructed with solid copper chambers containing heating elements that are rugged and do not corrode.

Being an electric unit there is no need for any venting arrangements.

It so sturdy and that it can withstand earthquakes to a certain extent.

The output water temperature range is at 86°F – 140°F.

Stiebel Eltron Tempra 36 KW Tankless Water Heater

Space saver

The dimensions of the stiebel eltron Tempra plus 36 kW, tankless electric water heater is 21.5 x 19.5 x 8.8 inches and it weighs only 15.4 pounds—this unit can fit almost anywhere. It can be fitted on the wall and save space.

Advanced technology

The tempra plus tankless electric water heater is 99% energy efficient. The self-modulating technology continually ensures that only least amount of energy is used.

The advanced flow control automatically maintains hot water temperature by decreasing the flow of water if required for consistent temperature.

It has a totally silent operation.

Electrical requirements

  • 36 kW, 240 volts,
  • (3) 50 Amps Double Pole breakers, 300household electric service.
  • Recommended Electrical Panel: 150 Amps

Warranty Description

Stiebel Eltron provides a 7 year leakage and a 3 year limited parts warranty.

Installation

Because of the intricate nature of this installation, it is better to have a professional installation.

Stiebel Eletron Water Heater Installation

Pick your model according to your needs

Here is a guide to help select the model suitable for your homes.

The table below indicates the water flow rate and temperature based on input temperature of water.

The number of showers and kitchen sinks that be connected is also indicated.

Siebel Eltron tankless electric water heaters guide


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2 thoughts on “Best Tankless Electric Water Heaters

  1. My husband is a general contractor that replaces water heaters for several of his clients. I understand that the tankless water heaters support a larger demand for hot water, but I haven’t seen the tankless water heaters used as commonly. Why are the tankless water heaters less common? Are they typically priced more? How do the tankless water heaters line up in comparison to solar water heaters?

    1. Electric models require most home owners to upgrade to accommodate the system before installation. That can add a bit to the total purchase.

      The electrical requirements of the home and constructions industry will evolve to cater for this upgrade in a cost-effective manner with advancement in technology.

      “It’s a win-win situation for most people,”

      Just not for everybody at this moment.

      As for Solar Vs Tankless water heaters, Solar is costlier to install. But in the long run the savings in energy cost may pay for itself.

      Hope that helps.

      Greatly appreciate your comments

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