10 Best Electric Tankless Water Heaters 2021

Are you looking for Best Electric tankless water heaters?  Are you using traditional water heaters with tanks, then move on and modernize your home? People are now making a switch from traditional water heaters to electric tankless heaters.

Generally, these heaters are beneficial in many ways like Saving space, unlimited hot water, saving money, electricity-saving and easy installation, etc. To make yourself comfortable, you should try these electric tankless water heaters. As you know, traditional gas heaters threaten gas leakage and a big problem of ventilation.

Most people think electric heaters consume high voltage of electricity and results in high bills, but it’s not true voltage can vary. We are here to guide you for Best Electric tankless water heaters with reviews and ratings. It will help you to choose the best and appropriate products for your home.

To save your money from burning, we had listed the top 10 best electric tankless water heaters. We assure you can get the product of your requirements on this list.

Electric tankless water heaters top 10 listed here:

EcoSmart ECO-11

Stiebel Eltron Tempra 36 plus

ECO TOUCH ECO-55 WHITE

EcoSmat ECO-27

Titan SCR2 N-120 

Rheem heating chamber RTEX-13

Stiebel Eltron Tempra 12 plus

Eemax EEM24013

Stiebel Eltron DHC-E12

Complex 18kw 

 

1: EcoSmart ECO-11 Electric Tankless Water Heater

best Electric Tankless Water Heater

 Qualities:

  • Company: EcoSmart
  • Model No.: ECO 11
  • Wattage: 13000 watts/13kw
  • Voltage: 220 volts
  • Amperage: 57amps max
  • Dimensions: 75 x 8 x 11.5 inches
  • Weight:5 pounds
  • Colour: white
  • Available on: Amazon

EcoSmart is a good manufacturer of water heaters. EcoSmart ECO 11 has a high rating on Amazon.

This tankless water heater is also called a “whole home” model ECO 11, the tankless water heater that provides hot water to the bathroom, small sink, office breakroom, and other point-of-use low-flow applications.

It can provide you 1.3 to 3.1 gallons per minute at the temperature of 67°F and above. The flow of water may vary depending on the temperature of inlet water. This water heater is well-suited for providing 2 gallons per minute.

This model requires a minimum 125amp electric panel for installation. The traditional tank water heater took a lot of space. The well-mounted design of this heater saves your space. It provides you 90% of free space more than a traditional water heater.

The EcoSmart ECO 11 is straightforward to install. Its installation is not a time-consuming process.

This heater is designed for energy saving. It will use energy when requires to heat water. The product is 99.8 % energy efficient. This product reduces your energy bills. The heater will turn on when you need hot water to save up to 50% of energy and save you from high bills. It will save you money from burning.

It has a Self-modulating and digital system measures temperature and adjusts its temperature. It can control 80- 140°F. It will provide you continuous hot water with high-Flow.

In short, ECO 11 is well-reviewed and can be the first choice of any person. This product will provide you with the best facilities and services. Hopefully, this information helps you.

Digital temperature control system for 80 – 140°F.

Pros&Cons

Pros
  • The Digital temperature control system for 80 – 140°F.
  • Easy Installation.
  • The elements are replaceable.
  • Save you 50% of the money.
  • Endless hot water supply for your home.
  • 1.3 to 3.1 GPM water in 67°F and above.
Cons
  • Customers have issues with warranty clauses.
  • Few buyers have complained about leakage.

2: Stiebel Eltron Tempra 36 plus Electric Tankless Water Heater

best Electric Tankless Water Heater

Qualities

  • Company: Stiebel Eltron
  • Model No.: Tempra 36 plus
  • Wattage: 26000 watts
  • Voltage: 240 volts
  • Dimensions:54 × 4.61×14.53 inches
  • Amperage capacity: 300 Amps
  • Weight:19 pounds
  • Color: Gray
  • Available on: Amazon

We added Stiebel Eltron Tempra plus 36 on our list according to the ratings and reviews of customers. The model Tempra 36 plus can save your money from burning over bills.

The most common problem is electricity usage, but it has Eco-friendly units which save energy. It has the ability of auto-modulation.

It has digital systems and saving monitors, which provides you information about your saved energy cost. Only 240 volts, 300amps, and 26000 watts are required.

Its heating elements are made up of copper and covered in a copper cylinder. These elements save energy and good for heating.

It does not require any ventilation and extra space. Its small body can provide an endless hot water supply for your home. It is tankless, and it is 80-90% smaller than any traditional water heater.

It monitors present temperature and adjusts its temperature according to the atmosphere. The digital temperature system provides you a good facility.

It can supply hot water with high-Flow—no problem with the flow of water at all. The system can flow about 0.77 GPM (gallon per minute) to supply hot water in your home.

In short, it can fulfill your needs with its small size and best qualities.

Pros & Cons

Pros
  • Solid copper heating chambers
  • Easy and quick installation process
  • High GPM
  • Electronically controlled water flow for enhanced energy saving
  • No ventilation required
  • Read the present temperature by a digital-system
  • Energy-saving with Self-modulation
  • Save your space than a traditional heater.
Cons
  • Users are not satisfied with the auto-management system.
  • It is not a budget-friendly product. It cost approximately $800.

3: ECO-TOUCH ECO-55 white Electric Tankless Water Heater

best Electric Tankless Water HeaterQualities:

  • Company: ECO-TOUCH
  • Model No.: ECO-55
  • Wattage:5kw
  • Voltage: 240 volts
  • Weight: 29pounds
  • Dimensions:3 x 10 x 4.4 inches
  • Color: white
  • Available on: Amazon

ECO-TOUCH company also has a high rating and good reviews; that’s why we add it to our list. It’s the perfect tankless water heater for your home.

ECO-TOUCH ECO-55 has a 5.5kw electrical heating system that requires 240volts. This model has a Self-modulating system that save your energy. Self-modulation is a process in which the heater minimizes energy usage according to external temperature and your water needs. This system reduces your bills and saves your money from burning.

Moreover, this electric tankless water heater has a unique and stylish look; it can give a modern look to your home. It has a digital temperature display. Its small size saves your storage space.

It provides you endless hot water supply for your home. The temperature range of this device is 60°F to 106°F. It can provide you 1.2 gallons per minute according to the external temperature. It has thermally efficient elements that reduce energy usage.

Its elements and body are made up of Aluminum, brass, and metal. There are external buttons of up and down to increases or decrease temperature. It adjusts its flow rate according to temperature. There is no need to stand by or wastewater, and it instantly provides you hot water.

For example, it has multiple protection features, leakage protection, overheating protection, easy Installation, and protected electricity lines. No ventilation is required for this heater. It was designed for indoor use only. It was a 99.8% energy-efficient water heater. It cost cheap and provides you with good facilities. Its estimated yearly cost will be $267.

We assure you that it can give perfect comfort and performance.

Pros & Cons

Pros
  • provide you 1.2 GPM (gallons per minute) at 60°F to 106°F temperature range.
  • Safety protections:
  • Leakage protection
  • Protected electricity lines
  • Overheating protection
  • Low cost
  • Made up of metal, brass, and Aluminum
  • Self-modulating device.
Cons
  • I can’t work for a large family.
  • It can’t work appropriately in Colder climates.

4: EcoSmart ECO 27 Electric Tankless Water Heater

best Electric Tankless Water HeaterQualities:

  • Company: EcoSmart
  • Model No.: ECO 27
  • Wattage: 27000 watts/27kw
  • Voltage: 220 volts
  • Amperage:5 amps max
  • Dimensions:63 x 17 x 17 inches
  • Weight:5 pounds
  • Color: white
  • Available on: Amazon

EcoSmart ECO 27 has a high rating on Amazon.

ECO 27 is the tankless water heater that saves 50% of your money. It requires a standard amount of voltage, 240volts, 27kw Wattage, and 112.5 amps for this electric heater.

Its activation flow will be 0.3GPM. It can provide you 2.7 to 6.5 gallons per minute at the temperature of 80°F and 140°F. The flow of water may vary depending on the temperature of inlet water. This water heater cannot work well under 45°F.

The traditional tank water heater took a lot of space. The well-mounted design of this heater saves your space. It provides you 90% of free space for traditional water heaters.

The EcoSmart ECO 27 is straightforward to install. Its installation is not a time-consuming process. This heater is designed for energy saving. It will use energy when requires to heat water. The product is 99.8 % energy efficient.

It can save storage space up to 12 cubic feet. This product reduces your energy bills. The heater will turn on when you need hot water; that’s why it can save up to 50% of energy and save you from high bills. It will save you money from burning.

It has a Self-modulating and digital system measures temperature and adjusts its temperature. This product’s element is made up of Copper and stainless components designed for efficiency, durability, and easy replacement.

In short, ECO 27 is well-reviewed and can be the first choice of any person. This product will provide you with the best facilities and services.

Pros & Cons

Pros
  • Elements are made-up of Copper and stainless components that increase durability.
  • Easy Installation.
  • It can save up to 12 cubic feet of storage space.
  • Save 50% of the money.
  • Endless hot water supply for your home.
  • Digital temperature control 80 to 140°F.
Cons
  • You may face issues in units.
  • Its Installation is costly.

5: Titan SCR2 N-120 Electric Tankless Water Heater

best Electric Tankless Water HeaterQualities:

  • Company: Titan
  • Model No.: SCR2 N-120
  • Voltage: 220 volts
  • Amperage: 54amps max
  • Dimensions: 12 x 10 x 5 inches
  • Weight: 2 pounds
  • Color: Tan steel
  • Available on: Amazon

Titan company manufactures good quality water heaters. Here we describe, titan   SCR2 N-120. It’s a tankless water heater trending nowadays.

As you know, first we always discuss the usage of energy. Titan SCR2 N-120 requires 220volts with a maximum of 54amps. The energy usage is usually the same as the other electric tankless water heaters on our list.

Titan SCR2 N-120 is not expensive as other tankless water heaters. It’s the cost that can be managed by any person. According to reviews and ratings, this product is excellent.

Generally, if we discuss the flow of water, it’s endless. This water heater provides a standard flow rate of 3.86 GPM. This product is designed for a house of 4 to 6 persons.

It’s a small-sized water heater it can fit anywhere in your house. It’s space-saving and has less weight. It’s 90% smaller than the classic water heater.

This water heater doesn’t require any ventilation, and its installation process is straightforward. The parts are replaceable. Gas heaters require ventilation because gas leakage is hazardous and life-threatening.

Titan SCR2 N-120 is a 99.8% energy-efficient water heater. It saves 60% of energy vs. other water heaters. The heater can change temperature according to the external temperature, so it reduces energy consumption.

The outer cylinder is made of steel, and inner casings are made of copper /brass. It has dual heating chambers that provide you endless hot water supply for your home. It has an automatic system that controls temperature thermostatically.

This product is only recommended for the warmer climate, and the underground water should be up to 67° F.

We provided you this information from complete research. We hope so you will find it helpful.

Pros & Cons

Pros
  • Endless hot water
  • 99.8% energy efficient
  • The external body is a form of steel and elements are made-up of copper/brass
  • Saves 60% of energy
  • Auto-modulation
  • Easy Installation and No ventilation required
Cons
  • It can’t work well in temperature less than 67°F.
  • Work only for a small family. It can’t work well in big houses.

6: Rheem RTEX-13 Electric Tankless Water Heater

best electric tankless water heater

Qualities:

Company: Rheem

Model No.: RTEX-13

Wattage: 13000 watts/13kw

Voltage: 240 volts

Amperage: 54amps max

Weight: 15.0000

Dimensions:12.63 x 8.25 x 3.63 inches

Color: Gray

Available on: Amazon

Rheem RTEX-13 is the tankless water heaters. This water heater has Fantastic features with good quality.

This water heater has manual and automatic systems. It has digital control systems that can control temperature increments of 1°F ranges from 80°F to 140°F. It has a feature of the digital temperature display. It can manage heat according to the outside temperature. You can also fix the temperature for daily usage of hot water.

RTEX-13 is a small and stylish water heater. It will save space in your home. Traditional or classic water heaters are 3 times larger and more space-consuming than this tankless water heater.

The most important thing this product will provide you 3 – 4.8 GPM (Gallon per minute) at shallow temperatures.

The flow of water may reduce due to extra usage at one time. If the temperature is suitable, then it will provide up to 6 GPM for the whole home.

Let’s discuss energy efficiency and billing. This product requires 240volts, 13kw, and a maximum of 54amps. It is 99.8% energy efficient and facilitates you with hot water.

This water heater has robust copper elements with a brass cylinder that will help you in easy replacement. These parts and elements can be easily replaced. It has an easy installation process, and no ventilation is necessary for this water heater. It can be installed indoors.

This product is seriously amazing, having great features. It will be available on Amazon.

Pros & Cons

Pros
  • Manual and automatic adjustment controls are available.
  • You can adjust the temperature in increments of 1°F to 140°F.
  • Easy replacement.
  • Copper Elements with brass top.
  • Easy Installation.
  • Consistent and endless hot water
  • Up to 6 GPM for the whole home.
Cons
  • It doesn’t work well for showers.
  • Water pressure doesn’t match with the advertisement.

 7: Stiebel Eltron Tempra 12 plus Electric Tankless Water Heater

best electric tankless water heater

          Qualities:

  • Company: stiebel Eltron
  • Model No.: Tempra 12 plus
  • Wattage: 12kw/12000w
  • Voltage: 240 volts
  • Dimensions:63 x 16.63 x 14.5 inches
  • Amperage: 50 Amps max
  • Weight:19 pounds
  • Color: white
  • Available on: Amazon

Stiebel Eltron is a great company, and its products are highest-rated on Amazon.

It is a Self-modulating product that can reduce or increase energy consumption according to required hot water. Only 240 volts, 50amps, and 12000 watts are required.

It has a German patented Advanced Flow Control system that can automatically reduce output flow to maintain temperature if demand exceeds the heater’s capacity. The heating elements of this water heater is copper and covered in a copper cylinder. These elements save energy and good for heating.

Stiebel Eltron Tempra 12 plus can save your money. The most common problem is electricity usage, but it has Eco-friendly units which save energy. It has the ability of auto-modulation. It saves 15-20% more energy than traditional water heaters.

No ventilation is required; it can easily fit anywhere in your house. Its small body can provide an endless hot water supply for your home. It is tankless, and it is 90% smaller than any traditional water heater.

It has a digital temperature display that displays present temperature and adjusts its temperature according to the atmosphere. The digital temperature system provides you a good facility.

It can supply hot water with high-Flow—no problem, with the flow of water at all. The system can flow about 2.7 GPM (gallon per minute) to supply hot water in your home.

Pros & Cons

Pros
  • Self-modulating
  • German patented Advanced Flow Control system that controls temperature.
  • Endless hot water
  • 15 – 20% energy saving.
  • Copper elements are covered with the copper cylinder.
Cons
  • Sometimes it cannot help you in temperature control.
  • The warranty clause is not satisfactory.

8: Eemax EEM24013 Electric Tankless Water Heater

best electric tankless water heater

        Qualities:

  • Company: Eemax
  • Model No.: EEM24013
  • Wattage: 13000 watts/13kw
  • Voltage: 240 volts
  • Weight:08pounds
  • Dimensions: 5 x 8 x 3.75 inches
  • Color: Blue
  • Available on: Amazon

Eemax is also a good and well-known china company which makes water heaters. Eemax EEM24013 is an Electric tankless water heater. We added this product to our list because of its good rating.

Like most electric tankless water heaters, Eemax is also a space-saving model. A small and compact body can fit anywhere in your house. It will save 90% of the space. It has a small setup with the capability to meet your needs.

Eemax EEM24013 requires 240volts at 13kw, which is the normal energy used by every electric tankless water heater. It requires 54amps power. It is a Self-modulating model that means it’s unit can minimize energy input use based on the water you needed.

Its temperature ranges from 1°F to 140°F. It controls the temperature in increments of 1 °F ranging from 80 degrees to 140 °F. Check its temperature chart and buy it according to your needs.

It has Copper Emerson heating elements with a brass top that increase durability. These elements are easily replaceable.

It provides you endless less hot water. 2.4 gallon per minute of water consumed. This model provides you a smooth flow of water. There is no ventilation required. It has digital systems that provide you if about the present temperature. Its Self-modulating system saves energy and reduces your bills. It’s doesn’t cost very high, it has an affordable price of good quality. It saves your money from burning.

Eemax is a Chinese company of water heaters, and they manufacture good household products.

Pros & Cons

Pros
  • Styling and space-saving product
  • Simple Installation
  • Self-modulating
  • controls temperature in increments of 1 °F ranging from 80 degrees to 140 °F.
  • It consumes 2.4 gallons per minute.
  • The Digital system and displays the current temperature.
Cons
  • It can’t work well with bathtubs.
  • A few Leakage issues.

9: Stiebel Eltron DHC-E12 Electric Tankless Water Heater

best electric tankless water heater

    Qualities:

  • Company: stiebel Eltron
  • Model No.: DHC-E12
  • Wattage: 12kw/12000w
  • Voltage: 240 volts
  • Dimensions:1 x 7.9 x 14.2 inches
  • Amperage: Amps max
  • Weight:94 pounds
  • Color: white
  • Available on: Amazon

Stiebel Eltron is a great company, and its products are highest-rated on Amazon. This product is from the DHC series.

It is a Self-modulating product that can reduce or increase energy consumption according to required hot water. Only 240 volts, 60amps, and 12 kilowatts are required.

It has a safe thermal cut-out. It is a safety method that stops current in case of over-heating and protects your device from burning. Sometimes temperature rises to dangerous levels, which may cause serious damage.

It has solid Copper heating systems. Its heating elements are controlled by a flow Control system that can automatically reduce output flow to maintain temperature if demand exceeds the heater’s capacity.

You can control its temperature from the knob on the front cover range of 86–140 °F (30–60 °C). It has a digital temperature display on the front cover.

It is tankless, and it is 90% smaller than any traditional water heater. No ventilation is required; it can easily fit anywhere in your house. Its small body can provide an endless hot water supply for your home.

Its activation flow of water is 0.32 GPM. It can supply hot water with high-Flow—no problem, with the flow of water at all. The system can flow about 1.2 GPM (gallon per minute) to supply hot water in your home.

This model is a masterpiece of Stiebel Eltron. We hope the product description will be helpful for you.

10: COMPLEX TE-18kw Electric Tankless Water Heater

best electric tankless water heater

Qualities:

  • Company: COMPLEX
  • Model No.: TE-18
  • Wattage: 18KW
  • Voltage: 240 volts
  • Weight:52 pounds
  • Dimensions:19 x 14.5 x 5.7 inches
  • Color: Black
  • Available on: Amazon

an excellent product according to its features and accessories. I have searched about this product it has excellent reviews from customers.

It’s a residential Electric tankless water heater. It requires 240volts and 28kw. It is a Self-modulating device that manages temperature according to the external temperature. This adjustment method reduces energy usage and saves your money.

COMPLEX TE-18kw has temperature control ranges from 86°F – 125°F. It displays the temperature on a digital system. You can control the temperature of the heater by buttons on it.

It requires only 0.8 gallons per minute of water flow for activation. This product will provide you with an endless hot water supply for your home.

It has a remote control. This is the only product on our list which has a facility of remote control. Remote can change temperature also.

It has many protection features like leakage protection, overheating protection, over-voltage protection, intelligent Self-modulation, and stable temperature.

It has a sensor for leakage issues. A specs protection is provided to prevent leakage. In electronic devices, leakage can cause current problems. It can be risky for life.

It can fit anywhere in your house. Its small and thin body can save your space. It can save 90% of the storage space in your house. No ventilation is required for this water heater.

In short, this product has multiple features.

FAQ’s

Qno.1:  Which one is beneficial between gas and electric heaters?

As you know, before these electrical tankless water heaters, everyone had used gas heaters. We also call them traditional gas heaters. Now, time has changed, and new technologies are introduced in the world. It’s time to modernize your house. Here is a comparison between gas and electric heaters:

                    Gas                 Electric
Gas heaters are outdoor heaters. Electric heaters are indoor heaters.
These heaters require ventilation because gas leakage is hazardous and life-threatening. These heaters don’t require any ventilation because electricity can’t cause leakage.
Gas heaters require to hang up time for providing you hot water, even if they are instant heaters. Electric heaters have heating elements that do not take more than 1 to 3 minutes to provide you hot water.
The gas heater has no temperature control systems. They are manual. These heaters are Self-modulating and have electric systems for temperature control.

Qno.2 why should we choose tankless water heaters?

A tankless heater is on-trend right now; people change their traditional tank heaters with tankless water heaters.

There are many benefits of tankless water heaters. Few are given below:

 ■Space-saving.

A tankless water heater is 90% smaller than any traditional water heater. They utilize less space.

 ■Instant hot water:

The tankless heater provides you with instant hot water. In-tank water heaters, you need to wait for hot water 30 min to 1hr, but tankless heaters provide you hot water in a maximum of 1 to 3 minutes.

Endless hot water:

There is no limit for hot water in tankless heaters because it is heating water instantly, but in tanked water heaters, hot water was limited. It requires 30 minutes to heat up again.

Qno.3:   Which heater is the best option for big families tankless or tank water heaters?

Customers frequently ask this question because people have big issues in big families. As you know, tankless heaters provide you instant hot water, but tanked heaters have stored hot water.

Tanked water heaters can only provide you with limited water from tanks, but tankless water heaters provide you with endless hot water supply. In big families, many people have to use hot water back-to-back. That’s why limited water supply can’t help them.

In big families, only tankless water heaters are the best choice. I think these Instant water heaters are amazing and beneficial for us.

Qno.4: How electric tankless water heaters save money?

In every product description, we have shared that these products are Self-modulating products.

Self-modulation means regulating or adjusting itself. These electrical water heaters adjust their temperature according to external temperature.

The feature of Self-modulation also decreases the use of energy. All these products are energy efficient save your money from burning over bills.

These electric heaters turn on when you open your tap for hot water and turn off when you close the tap. It will not waste energy, so it reduces your bills.

Qno.5: Are there any cons of electric tankless water heaters?

We can’t say all these products are perfect or they are not faulty. It’s a fact when we shop online. Products can damage during shipping.

As you know, tankless water heaters provide you with endless hot water but with low GPM, but tanked water heaters have stored water, so they provide high GPM.

Some tankless water-heater can’t work well in cold climates. They have to provide instant hot water if input water is cold, then it can’t get hot in a few minutes.

Most people face the problem of leakage. It’s just a common problem of any water; either it is tankless or tanked water heaters.