The Best Electric Tankless Water Heaters in 2020 | Buyer’s Guide

When compared to traditional water heater tanks, electric tankless water heaters have numerous benefits. Electric tankless water heaters are energy efficiency, require less space, easy to install, affordable, and provide an unending supply of hot water.

There are many electric tankless water heaters currently on the market, and deciding which one is right for your needs can be difficult. To assist you in selecting the best water heater, we listed and reviewed the top 10 best electric water heaters in 2020. Let’s take a look.

List of the Best Tankless Water Heaters in 2020

Last update on 2020-06-28 / Affiliate links / Prices / Images from Amazon Product Advertising API

10. Eemax EEM24018 Electric Tankless Water Heater

Eemax EEM24018 Electric Tankless Water Heater

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If you are looking for the best electric tankless water heater that is suitable for both commercial and residential applications, then the Eemax EEM24018 is the best option for you. This powerful heater can produce enough hot water for up to 2 sinks and 1 shower simultaneously cold climates.  It features a digital display and temperature control knob and that allows you to set your hottest temperature in increments of 1°F raging from 80 to 140°F.

This unit has a compact design, so it can be mounted anywhere. On top of that, it features self-modulating technology which helps to save your electricity bills. Another great thing about this unit is that it is very straight forward to install.

Key Features
  • Water Flow Rate: 3.5 GPM
  • Voltage: 240 volts
  • Color: Blue
  • Construction Material: Stainless Steel
  • Size: 17 by 14 by 3.75 inches
Pros
  • It is very simple to install
  • Comes at an affordable price
  • Compact design (saves storage space)
  • It requires less maintenance
  • Flexible temperature controls
Cons
  • None found

9. Rheem RTEX-18 Residential Tankless Water Heater

Rheem RTEX-18 Residential Tankless Water Heater

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Compact, powerful, sleek, and efficient. These four words perfectly describe the Rheem RTEX-18 Residential Tankless Water Heater.   This water heater has a flow rate of 4.4 GPM which is good enough for a small or medium-sized home. It comes with external thermostatic control with an LED display that allows you to set the water temperature according to your requirement.

The voltage of this tankless water heater is 240 volts. It features two durable copper heating elements that are resistant to corrosion. This unit operates silently making it perfect indoor use. It is also is simple to install and comes with an easy-to-follow manual.

Key Features
  • Water Flow Rate: 4.4 GPM
  • Voltage: 240 volts
  • Color: Gray
  • Dimensions: 4 by 15 by 19 inches
Pros
  • It is compact and durable
  • Easy to use and install
  • It requires less electric energy
  • Self-modulating technology
Cons
  • Not ideal for large families

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8. Stiebel Eltron Tempra 29 plus electric tankless water heater

Stiebel Eltron Tempra 29 plus electric tankless water heater

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Stiebel Eltron has a reputation for manufacturing high-quality water heaters and their Stiebel Eltron Tankless 29 plus electric water heater is no exception. The Stiebel Eltron Tankless 29 plus one of the most technologically advanced water heaters on the market. It features a user-friendly dial selector that allows you to set your desired water temperature easily. You can set the temperature of water between 86°F and 140°F. Plus, it has a digital display that shows the accurate temperature readings.

The heater has a sensor that automatically calculates the power is needed to heat the water depending on the water flow rate for accurate temperature delivery.  Along with that, this unit is simple to install and no venting is required.

Key Features
  • Voltage: 220 volts
  • Color: Gray
  • Output water temperature range: 86°F – 140°F
  • Dimensions: 16.54 by 4.61 by 14.53-inches
Pros
  • Simple to install anywhere
  • It requires less maintenance
  • Has a lightweight and compact design
  • It is very safe to use
  • Easy to adjust the water temperature
Cons
  • The manual is not clear, but simple to use

7. Camplux TE27 Electric Tankless Water Heater

Camplux TE27 Electric Tankless Water Heater

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If you’re looking for an electric tankless water heater that will assist you to save power and energy, then you cannot go wrong with the Camplux Electric Tankless Water Heater.  This water heater has a maximum power output of 87,500 BTU for endless and instant hot water. It comes with a large digital display with touch control that allows you to easily adjust the temperature.

Additionally, it comes with a remote control which allows you to control the water heater from anywhere you want to. This unit features an overheat protection device and it is ETL certified to ensure your safety. It has a compact design and takes up minimum space.

Key Features
  • Voltage: 240V
  • Color: Black
  • Output power: 87,500 BTU
  • Dimensions: 10.23 by 3.66 by 15.15-inches
Pros
  • Space-saving and compact
  • It is energy-efficient and powerful
  • Simple to control and use
  • Well-built and leakage-proof
  • Comes with a remote control
  • It has many safely features
Cons
  • Take much time to mount on the wall

6. Ecosmart ECO 36 Electric Tankless Water Heater

Ecosmart ECO 36 Electric Tankless Water Heater

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If you have a high demand for hot water, then the Ecosmart ECO 36 Electric Tankless Water Heater is the right choice for you. This tankless water heater is capable of heating up to 6 gallons per minute. It can handle up to 4 showers and a sink at once without running out of hot water.

Ecosmart ECO Water heater has a digital temperature controller which allows you to set your water output to your desired temperature in increments of 1 degree.

It is manufactured in the United States, which means that it is more durable and reliable than other water heaters on the market. Moreover, it features Self Modulating technology which helps it to save as much energy as possible. This unit has a compact design and fits perfectly on any wall.

Key Features
  • Water Flow Rate: 6GPM
  • Voltage: 240V
  • Color: White
  • Dimensions: 17 by 19 by 3.8- inches
  • Construction Materials: Copper & stainless steel
Pros
  • Has a stylish and modern design
  • Easy maintenance and installation
  • Compact design fits anywhere
  • Digital temperature control
Cons
  • A bit pricey than other models

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5. ECOTOUCH ECO90 Tankless Water Heater

ECOTOUCH ECO90 Tankless Water Heater

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ECOTOUCH ECO90 is an affordable and powerful Tankless Water Heater. This electric water heater is equipped with a 9kW heating system that provides endless and instant hot of up to 116℉ or even higher temperature. The ECOTOUCH ECO90 water heater is a perfect solution for showers, washing machines, bathroom sinks, and dishwashers.

It has smart modulation heating control which increases its energy efficiency by up to 99.8-percent. Furthermore, it comes with a touch control panel and large digital display so the temperature is an easy task. This water heater is ETL approved and features several protection devices to ensure that it 100% safe to use.  Plus, it has a modern and stylish design that blends well in any décor.

Key Features
  • Water Flow Rate: 1.5 GPM
  • Voltage: 240 volts
  • Color: Black
  • Dimensions: 15.74 by 2.05 by 10.24-inches
Pros
  • Easy installation-comes with installation tools
  • Has to overheat protection device
  • It has a compact and stylish design
  • It is energy efficient
  • Simple to adjust the temperatures
Cons
  • Not ideal for large families

4. Stiebel Eltron Tempra 12 Plus Tankless Water Heater

Stiebel Eltron Tempra 12 Plus Tankless Water Heater

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Stiebel Eltron Tempra 12 Plus is one of the top-rated electric tankless water heaters on the market. This water heater features exclusive advanced flow control that helps it to maintain constant water temperature. It comes with a digital temperature control system that allows you to set the water output temperature between 86˚ and 140˚F.

Besides, it is equipped with a reliable energy consumption device that reduces energy consumption by up to 20-percent. This tankless water heater measures 4.63 x 14.50 x 16.63-inches and weighs only 1 pound. This means that it is small in size and won’t take up a lot of space in your house. It is also very simple to set up and operate.

Key Features
  • Temperature Range: 86˚ to 140˚F.
  • Voltage: 240 volts
  • Color: White
  • Dimensions: 4.63 by 16.63 by 14.50-inches
Pros
  • Compact design fits anywhere
  • Silent operation
  • Easy operation and set up
  • No venting required
  • It is well-made and durable
Cons
  • None we found

3. Stiebel Eltron 230628 Tankless Electric Water Heater

Stiebel Eltron 230628 Tankless Electric Water Heater

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Stiebel Eltron 230628 is another great electric tankless water heater that comes at an affordable price. This tankless electric water features smart microprocessor technology that ensures the water temperature does not deviate from the set temperature even if the flow rate varies.  It also comes with an easy-to-use knob that allows you to set the water temperature to your desired value. The water temperature output can be set from 86 degrees F to 140-degrees F.

It has a maximum flow rate of 1.5 GPM. Thus, it can handle multiple sinks or a single shower. It features a copper-clad heating element that is rust and corrosion-resistant. What’s more, it has a compact design that allows it to fit anywhere.

Key Features
  • Water Flow Rate: 1.5GPM
  • Voltage: 120 V
  • Color: White
  • Dimensions: 4.1 by 7.9 by 14.2 inches
Pros
  • It is very easy to install
  • Precise temperature control
  • Lightweight and compact in size
  • Heats water efficiently and quickly
Cons
  • Require Maintenance

2. EcoSmart ECO 11 Electric Tankless Water Heater

EcoSmart ECO 11 Electric Tankless Water Heater

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EcoSmart ECO 11 is one of the top-rated and top-selling electric tankless water heaters currently on the market. This water heater has a flow rate of 2 gallons per minute, which makes it ideal for small apartments and homes. It can be used for single or multiple applications depending on your area climate. In cold climates, it can run two sinks or one shower. In warm weather climate, it can run one shower and two sinks simultaneously.

This water heater is 99.8% energy efficient which helps you to save up to 60% on your water heating cost. Moreover, it comes with digital temperature control that allows you to adjust the water temperature in increments of one degree. This unit is simple to mount on the wall and doesn’t take much space.

Key Features
  • Water Flow Rate: 2.0GPM
  • Voltage: 240V
  • Color: White
  • Dimensions: 11.5 by 8 by 3.75-inches
  • Temperature Range: from 80°F to 140°F
Pros
  • It is 98% energy efficient
  • Features self-modulating technology
  • Easy to use and install
  • Made with high-quality materials
Cons
  • None we found

1. Ecosmart ECO 18 Electric Tankless Water Heater

Ecosmart ECO 18 Electric Tankless Water Heater

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Ecosmart ECO 18 is our top-pick electric tankless water heater. The Ecosmart ECO 18 water heater is capable of heating up to 2.5 gallons per minute. It can run a sink and a shower simultaneously in cold climates, and two shower and two sinks simultaneously in warm climates. This water heater features a digital temperature control that allows you to set the water temperature anywhere from 80 to 140-degrees F.

Nevertheless, it is designed with self-modulating technology which helps you to save up 50-percent in water heating costs. It features stainless and copper components to ensure that they are corrosion resistant for longer life. Finally, this unit is simple to use and install.

Key Features
  • Water Flow Rate: 2.5
  • Voltage: 240V
  • Color: White
  • Dimensions: 3.63 by 14by 17-inches
  • Temperature Range: 80°F to 140°F
Pros
  • Flexible temperature controls
  • It is highly durable
  • Space-saving and compact
  • Easy maintenance and installation
  • Has a stylish and modern design
Cons
  • No remote control( but simple to control using buttons)

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How to Choose the Best Electric Tankless Water Heater – Buyer’s Guide

There several important factors that you should consider to ensure you get the best electric tankless water heater. Below we have listed these features. Let’s take a look.

  • Flow Rate You: The flow rate of the water heater is the maximum GPM (gallons per minute) it can heat. Electric tankless water heaters have different flow rate levels. Water heaters with a low flow rate are ideal for small apartments and businesses. But, if you have low demand, then you should go for units with a high flow rate.
  • Ease of Use & Installation: Another important thing you should consider is whether the heater is simple to use and install. The best electric tankless water heater should be simple to operate and mount on the wall.
  • Compact Design: Since most electric tankless water heaters are mounted on the wall you should make sure that it has a compact design. Units with compact design don’t take much space on the wall and are simple to install.
  • Construction Material: Water heaters are constructed using different types of material. You should go for heaters that are made using high-quality material because they are long-lasting. Some of the best materials you should consider, including stainless steel and copper. These materials are durable, rust-resistant, and lightweight

Conclusion

We hope after going through our article; now you know the best model that you can buy. To ensure that you get the right model, use our list above select. All models that are listed above are durable, compact, easy to install, and powerful.

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