Best Electric Tankless Water Heaters Higher Energy Efficient

Tank water heaters are sometimes good in some situations but there are lots of drawbacks of using a tankless water heater. Such that they consume much energy and take much space. There are leakage chances of in tank water heaters because of water that is stored in the tank and causes leakage. But buying the best tankless water heaters electric will save you from all these tensions. And they last longer than a tank water heater.

You will get a variety of tankless water heaters with lots of amazing features like advanced safety features, temperature control, GPM, and many other features. The electric tankless water heater is far much better than the tank water heater and also from a gas tankless water heater. Because they are more efficient than a gas water heater. Gas water heaters are 80-85% energy efficient while electric water heaters are 98-99% energy efficient. So buying the best electric tankless water heater is a great decision.


Best Tankless Water Heaters Electric List

If you are interested in buying the best tankless water heaters electric here we have written down the best reviews with all pros and cons of the product. This review of the tankless water heater will help you to make a quick decision.

Top-Pick + Self Modulating Technology, Top-Pick + Self Modulating Technology,
Ecosmart ECO 18 Electric Tankless Water Heater
  • Power: 18 KW
  • Temperature : 80-140°F
  • Energy Efficiency : 99.8%
  • GPM: 2.5-4
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Buyer’s Choice Buyer’s Choice
EcoSmart ECO 11 Electric Tankless Water Heater
  • Power: 13KW
  • Temperature : 80-140° F
  • Energy Efficiency : 99.8%
  • GPM: 1.3-3.1
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Advanced Flow Control Advanced Flow Control
Stiebel Eltron Tempra Plus
  • Power: 29 KW
  • Temperature : 86-140°F
  • Energy Efficiency : 99%
  • GPM: 2-4
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Safe to use Safe to use
Stiebel Eltron Tankless Electric Water Heater
  • Power: 12KW
  • Temperature : 86-125°F
  • Energy Efficiency : 99%
  • GPM: 1.5
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For big families For big families
Rheem RTEX-18 Electric Tankless Water Heater
  • Power: 18KW
  • Temperature : Adjustable
  • Energy Efficiency : 95%
  • GPM: 4.4
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Best Budget Best Budget
Rheem RTEX-13 Residential
  • Power: 13KW
  • Temperature : Adjustable
  • Energy Efficiency : 99.8%
  • GPM: 3.17
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1. EcoSmart ECO 18 Electric Tankless Water Heater (Top-Rated)

Ecosmart ECO 18 Electric Tankless Water HeaterWith its high energy efficiency Ecosmart 18 electric is one of the best tankless water heater electric for home and for offices. This water heater is a mid-range unit with self-modulating technology. This self-modulating technology means this unit is only turn on when you need hot water.

Saving more than 60% of water heating costs because this works when hot water is required. It can handle two inks as well as two showers at the same time in warm climates. While in a cold climate it can handle only one sink and a shower.

This unit is really good for a small family. And with the help of a digital temperature control feature, you can change the temperature of water according to your own choice. The 1-degree increment of temperature allows you to set the temperature of the water from 80F-140F. This product is highly reliable and is for residential use as it has a lifetime warranty.

EcoSmart tankless water heater is a space saver and is not like other traditional tank water heaters that take too much space. You can save lots of floor space because of its wall-mounted. This compact size water heater can be stored easily. Due to its copper and stainless components, it looks amazing in your house. You will get unlimited hot water that will never run out because water heats up when passes through it. And the water did not store in this unit as happens in tank water heater so there will be no leakage possibilities. You will get fresh hot water whenever you want.

Things we like?
  • Reduce 60% of heating water cost
  • Use only the needed amount of energy
  • Lifetime warranty
  • Self-modulating feature
  • Unlimited hot water
  • Durable, compact, and amazing
  • Wall-mounted design
  • Simple installation
  • 99.8% energy efficient
Things we don’t like?
  • Only installed by licensed electricians
  • Not good for large families

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2. EcoSmart ECO 11 Electric (Buyer’s Choice)

EcoSmart ECO 11 Electric Tankless Water HeaterA 99.8% energy-efficient unit that heats up water and provides you unlimited hot water whenever you want. This water heater reduces 60% water heating cost and is a compact size system that can be adjusted anywhere. With this self-modulating feature, you will get hot water whenever you want without using more energy. EcoSmart provides a lifetime warranty for this product which means it’s a lifetime investment.

This unit is specially designed to heat up 2 gallons per minute that can handle 2 sinks and a shower at the same time. Eco 11 electric water heater is a wall-mounted and compact size that can provide digital temperature control. So you can adjust the hot water by an increment of 1 degree.

Freshwater passes from this tankless water heater and you will get hot water that will never run out. Unlike a tank water heater, you do not need to worry about leakage because water is not stored in this water heater. This tankless water heater is enough for a small family that is available at affordable prices.

Things we like?
  • Space saver
  • 60% less heating cost
  • Unlimited water
  • Lifetime warranty
  • Energy efficient
  • Compact size
  • For small families
  • Available in cheap price
Things we don’t like?
  • Too small for big families
  • Installation is not easy

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3. Stiebel Eltron Self-modulating (Advanced Flow Control Feature)

Stiebel Eltron Tempra Plus 29 kW, tankless electric water heaterThis electric tankless water heater is available in the markets with advanced technologies. Stiebel Eltron is less expensive and its installation is also easy. It’s the most reliable product and venting is also not required for this heater. It uses less energy to heat water and is 99% energy efficient that is really amazing. With its compact size, this water heater can fit anywhere.

This water heater will provide you unlimited hot water. Unlike a tank water heater, you will never run out of hot water or to wait for hot water. With its self-modulating feature, it will only work when the hot water is needed that will save lots of energy. You will get fresh hot water whenever you want. By its advanced flow control feature, you will get constant hot water and automatically maintain temperature.

This product automatically senses the flow rate and temperature. It then calculates how much power is required to warm water and will apply exactly the same power. It will precisely maintain the temperature unless the flow rate changes. The digital temperature display will help you to set the required temperature by rotating the dial.

Things we like?
  • Electric tankless water heater
  • Self-modulating feature
  • Easy installation
  • Temperature control display
  • Compact design
  • Automatic temperature control
  • 99% Energy Efficient
  • Advanced flow control
  • Unlimited water
  • No venting is required
  • Reduces electric bill
Things we don’t like?
  • May not last long if you have hard minerals in the water
  • Not enough for a large family

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4. Stiebel Eltron Multi-point Tankless Water Heater (Safe To Use)

Stiebel Eltron Tankless Electric Water HeaterOne of the best, highly reliable, and durable tankless water heater. Stiebel Eltron is among the best tankless water heaters electric that is energy efficient and reduces your bill. You can set the temperature of the water from 30-52C by the knob on the front side. You will get unlimited water and you will never run out of hot water.

It has advanced microprocessor technology and this technology in your unit ensures that the temperature dial does not deviate from the already set point even if the flow rate changes. So you will get constant hot water. The advanced flow control feature will sense your temperature and flow rate. So it will apply a required power and we will get hot water instantly. So no extra energy is wasted to warm water for daily uses.

Unlike other water heaters, Stiebel has safety features and is safe to use especially if you have kids at home. You can use this unit in office buildings, schools, malls, houses, RVs, warehouses, and restaurants. It is available in so many sizes and models. Installation and handling of this water heater are easy as compared to other tank water heaters.

Things we like?
  • 3 years warranty
  • 50% less power
  • Safe to use
  • Reliable
  • Easy to install
  • Microprocessor technology
  • Advanced flow rate control
Things we don’t like?
  • Only good for low flow use

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5. Rheem RTEX-18 Electric Tankless Water Heater

Rheem RTEX-18 18kW 240V Electric Tankless Water HeaterRheem RTEX is electric tankless water that has an external temperature control system. You can increase the temperature by a 1-degree increment that will show on the LED display. The LED display of this unit will show the temperature in Fahrenheit. The self-modulation feature of this unit allows you to use the required amount of energy and adjust the power of the unit to get hot water. So no energy is wasted that is why Rheem is the most efficient tankless water heater.

It will provide an average of 4.4 GPM of hot water that is enough for a large house. You will get unlimited hot water for shower, sink, and for laundry. Temperature adjustment and installation of this water heater are very easy. It’s very simple to use and also safe.

Things we like?
  • 4.4 GPM hot water
  • Unlimited hot water
  • Easy installation
  • Temperature control unit with LED display
  • Advanced self-modulating feature
  • Can be used for large house
Things we don’t like?
  • Not good for less amp services

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6. Rheem Residential Water Heater

Rheem 240V Heating ChamberRheem electric tankless water heater is an advanced unit that has a knob for temperature control and a LED display. This knob helps you to control the temperature with 1-degree increment and the LED display shows the temperature on the screen. Rheem electric water heater is one of the best tankless water heaters electric that is available at cheap rates on the market. Buying an electric tankless water heater is a great investment that will decrease your tensions of leakage and extra energy usage.

Installation of this water heater is easy as compare to the other tankless water heaters. You do not need to spend money on its installation and on plumbers and electricians. You can install it yourself by carefully reading the instruction or by watching videos. This unit is 99.8% energy efficient and saves more energy.

It reduces the heating cost and is the most durable product. Also, this electric water heater will provide you unlimited water. It can handle 1 shower, 1 bathroom sink, 1 toilet, and 1 kitchen sink. You can also use hot water for laundry purposes. Saving lots of your space then other tank water heaters this unit can be mounted on the wall. It looks amazing on the wall and saves floor space.

Things we like?
  • LED display
  • Temperature controllable knob
  • Electric heater
  • Unlimited water
  • Wall-mounted
  • Durable
  • Good for small usage
  • Easy installation
Things we don’t like?
  • Makes a buzzing noise when started

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If you are still looking for the best product among these tankless water heaters. Cutting the story short Ecosmart 18 tankless water heater and the Stiebel Eltron self-modulating tankless water heater is the best among these. You will get these products at cheap rates with so many advanced features.

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