The Best Electric Tankless Water Heaters: Reviews, Price Comparisons, FAQ

When it comes to choosing the best electric tankless water heater, it's important to understand that there are two main types: on-demand and continuous flow. Each type has its own advantages and disadvantages, so you will need to consider your needs before making a decision. We will go over the basics of each type, as well as highlight the top products in this guide.

Stiebel Eltron Electric Tankless Water Heater

83%

Recommended
Price Updated: 18 hours ago

Rheem RTEX-24 Electric Tankless Water Heater

81%

Recommended
Price Updated: 6 hours ago

Rheem RTEX-18 Electric Tankless Water Heater

79%

Satisfactory
Price Updated: 9 hours ago
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Electric Tankless Water Heater Reviews

Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric, On Demand Hot Water, Eco, White

Stiebel Eltron Electric Tankless Water Heater Our Score: 83% - Recommended

This is a great product for new customers to buy and start to save money from their water bills. In the past, I have had to turn off the hot water when I was not using it, but with this product, you do not have to worry about that anymore. The product comes with a sleek design, which will make it perfect for any bathroom. It is easy to install and use. I would recommend this product to anyone who is looking for a new tankless water heater.

Features:
  • On-demand continuous and unlimited supply of hot water
  • Sleek design saves space and no venting required units
  • Electronic switch activated for virtually silent operation Phase- single 60 Hz Voltage
  • Copper sheathed heating element housed in copper cylinder
  • 3 years parts complete warranty
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

Rheem RTEX-24 Electric Tankless Water Heater Our Score: 81% - Recommended

Rheem RTEX-24 24k gallon water heater provides the comfort of hot water, day and night. It has an automatic shut-off for added safety and energy savings. The self-modulating power control can be set for 24 hour operation at a higher temperature to maintain hot water temperature at the faucet. The maximum flow rate of 5 9 GPM will provide you with plenty of hot water for the whole family. This product is a great choice for any household that values comfort and safety. URPOWER Dog Seat Cover Car Seat

Features:
  • Automatic shut-off for added safety and energy savings
  • Self-modulating power control
  • Maximum flow rate of 5 9 GPM for RTEX-24
  • Water connections bottom 3 4 NPT Nozzle Particle Trap
  • On demand consistent and continuous hot water
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

EcoSmart ECO 36 Electric Tankless Water Heater Our Score: 79% - Satisfactory

EcoSmart ECO 36 36kw 240V Electric Start Portable Generator is great for outdoor use, such as camping or tailgating. The dual USB ports can charge two devices at the same time, so you and your friends will never run out of battery. It's eco-friendly, so it's safe to use it inside the house. This product is manufactured in United States. We recommend this product to anyone who is looking for a portable generator with the right size and output. http://www.cnet.com/topics/smart-home/best-smart-home-products/smart-

Features:
  • Dual protection for your phone and the car; Dual USB ports for charging two
  • 99 8-percent energy efficient
  • Manufactured in United States
  • Fittings that connect water lines to water filters and other plumbing appliances
  • Not required
  • 300 A peak draw
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

Rheem RTEX-18 Electric Tankless Water Heater Our Score: 79% - Satisfactory

Rheem RTEX-18 18k is a great product. I am very happy with the performance of this item. It has all the basic features needed, works great, and is very easy to use. This is definitely a good buy. I would recommend it to anyone looking for a new temperature controller.

Features:
  • Controls the temperature of your grow tent or greenhouse with a digital thermostat
  • Four-capsule array capture legendary Blue broadcast sound with greater focus and
  • Easy installationtaker
  • Saves energy money - By adjusting the temperature of the water in
  • Digital temperature display
EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White

EcoSmart ECO 27 Electric Tankless Water Heater Our Score: 79% - Satisfactory

This product is very easy to install and use. We were able to use the provided measurements on the tank to find the right placement for it. It has been running for a few weeks and we have not noticed any issues. It seems to be a quality unit that will last for many years. There is no noticeable noise from the unit, which is nice. The only thing I noticed that could be improved is the temperature setting. It can be difficult to find the exact temperature you want as it only moves in 10-degree increments. However, it does allow you to choose the temperature at which you want to set it.

Features:
  • Homeowners save up to 50 on water heating costs Dimensions :17
  • No plastic parts in heating element
  • Small and compact stature is perfect for travel and storage Efficient operation
  • 3 Pole 240 Volt Breaker required
  • 200 Amp Electrical Panel
  • Never run out of hot water in a single family home with an ECOS
  • Save up to 12 cubic feet of storage space
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Digital temperature control in 1-degree increments allows control of hot water; Activ
  • Please verify that this model is the right size for your hot water needs and
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

EcoSmart ECO 11 Electric Tankless Water Heater Our Score: 79% - Satisfactory

Tankless water heaters are a great way to cut down on energy costs. This particular model is able to heat up water in as little as 2.5 seconds. It also provides the user with up to six individual temperature settings and an easy-to-read display panel. This product is available in two different color options and it comes with a lifetime warranty. 1.jpg" width="730" height="1076" /> 2.jpg" width="730" height="1076" /> 3.jpg" width="730" height="1076" /> 4.jpg" width

Features:
  • Lifetime warranty There are no reviews yet Be the first
  • Reduce energy costs by up to 60
  • Never run out of hot water with an ECOSMART tankless water
  • Patented SMT Technology and design
  • 99 8-percent energy efficient
Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small

Rinkmo 18KW Electric Tankless Water Heater Our Score: 74% - Satisfactory

In March 2018, Televisa Monterrey presented an investigative report that revealed that URPower did not have any independent distributors in Mexico. In addition, the report stated that the company had used misleading marketing practices and had promoted itself as a company with a focus on the development of clean energy, when in fact it was not. This led to URPower being listed as one of the companies under the Mexican Institute of Competitiveness' "Prisoner's Guide" for having committed misleading advertising. Following the investigations, the National Consumer Institute (INDECOPI) announced on April 4, 2018 that it

Features:
  • Tankless water heater for home use
  • 10-fold Security Technology Systems More Safe In March 2018 the
  • Modulating technology; accurate temperature control for whole house; easy to install;
  • Easy to use and store
  • Save money and time in the long run
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt

EcoSmart POU Electric Tankless Water Heater Our Score: 68% - Caution

The EcoSmart POU 3.5 Point of Use Water Heater is an energy efficient, eco-friendly water heater that delivers hot water directly to your sink. This unit features three temperature settings and can be installed in colder climates without any additional components needed. With an impressive energy factor of 0.72, the EcoSmart POU is capable of saving you up to 28% on your water heating costs! Water delivered by this unit is heated to a maximum temperature of 120 degrees Fahrenheit, making it perfect for almost any application. Whether you are looking for a way to reduce your carbon footprint or need to add hot water to

Features:
  • 0 5 GPM warmer climates
  • Dimmable LED lighting
  • For one sink at 0 5 GPM in colder climates the POU
  • Amperage Draw 29 amp kW - 3 5 kW
  • Hose fittings for your garden hose and other common garden hoses
Thermoflow 24KW at 240 Volts Tankless Water Heater Electric, On Demand Instant Hot Water Heater with Self-Modulating Temperature Technology, CSA Certified Wall Mounted

Thermoflow 24KW Electric Tankless Water Heater Our Score: 63% - Caution

The Thermoflow 240,000 BTU at 240V 24KW at 240V Portable Central Heating Baseboard can provide heating for up to 12,000 square feet and requires very little space. This product is energy-saving and will be cost-efficient over time. We recommend it to anyone who wants to heat their homes and still save money on their electric bill.

Features:
  • Heating efficiency up to 99 energy saving up to 50
  • Self-modulating temperature technology of Germany
  • Easy installation and durable; Six stainless steel heating elements; thermo cut-
  • PIPE HOSE PLUMBING; DRAIN PIP
  • Easy installation no tools needed energy efficient and saves up to 50
Water Heater, Tankless Electric Water Heater Portable Wall Mount Instant Heating Hot Water With LCD Digital Display 110V

RANZHIX Electric Tankless Water Heater Our Score: 61% - Caution

RANZHIX Tankless Water Heater is a very good product, especially for the price. The installation was really easy, but make sure you have a water source before you start. The product itself is well-made and seems durable. It works as advertised, but we were disappointed by the fact that it did not have an automatic shutoff feature. We recommend this product to anyone who is looking for a budget tankless water heater.

Features:
  • Instant heating no waiting
  • Safety Design: Easy to install: Waterproof convenient to
  • Universal 1 2 interface
  • Safe and efficient heating system for hot and cold beverages
  • Fast shipping

Frequently Asked Questions

What is the best electric tankless water heater?

The best electric tankless water heater is the Stiebel Eltron Electric Tankless Water Heater. The average buyer rates it 4.6 out of 5 and we scored it 83%. It's available on Amazon for $691.78

How much does a Electric Tankless Water Heater cost?

Electric tankless water heaters range in price from $691.78 (Stiebel Eltron Electric Tankless Water Heater) to $691.78 (Stiebel Eltron Electric Tankless Water Heater). The average price for a Electric Tankless Water Heater is $378.92

What is the cheapest Electric Tankless Water Heater?

The cheapest electric tankless water heater is the Stiebel Eltron Electric Tankless Water Heater. The average buyer rates it 4.6 out of 5 and we scored it 83%. It's available on Amazon for $691.78

Best Electric Tankless Water Heaters Brands

2 Products
1,644 Reviews
Average Score: 83%
3 Products
984 Reviews
Average Score: 81%
6 Products
7,633 Reviews
Average Score: 79%
1 Products
216 Reviews
Average Score: 74%
1 Products
38 Reviews
Average Score: 63%
1 Products
40 Reviews
Average Score: 61%

Sources

This Stiebel Eltron Tempra Plus water heater is one of the leading electric tankless water heater systems in the market. It’s powered by one hundred fifty amperes (A) of electricity and is eco-friendly by reducing the flow rate. The Stiebel Eltron Tempra 24 Plus will save up to 20% off the incoming water heating portion of your electric bill.

This is an advanced, powerful electric tankless water heater from well-respected German Brand Stiebel Eltron. This brand has been around for nearly 100 years and specializes in making high-quality, high-performance heaters – and this unit is no exception. This model is part of the Tempra Plus line and features Advanced Flow Control technology.

Best Electric Tankless Water Heaters 2020: 1. Stiebel Eltron 36 Plus Tempra Tankless Water Heater Imported from Germany, the Stiebel Eltron Tempra Plus 36 has an innovative design and outstanding build quality.

While tankless water heaters represent a larger upfront investment than the cost of a conventional water heater, the EcoSmart ECO 18 is a more affordable tankless model that closes the gap in price between tank and tankless water heaters.

Runner Up: Rheem 240V Electric Tankless Water Heater. Check price. The Rheem 240V Electric Tankless Water Heater offers continuous hot water quickly and conveniently. This professional classic tankless electric water heater is designed for single-point use and multiple applications.

Rheem RTEX-24 is another great electric tankless water heater we have reviewed. It boasts the most advanced self-modulation system that adjusts the power to meet the hot water demand and it also maintains the constant temperature.

Ideal for regular households to ensure consistent hot water at any time, it’s easy to see why we’ve selected the EcoSmart ECO 27 Electric Tankless Water Heater as the best tankless water heater around. It can save up to 50% in water heating costs, which is something your bank account will love. However, there’s more to it than just savings.

The Stiebel Eltron Tempra Plus is one of the most advanced tankless water heater on the market. You and your loved ones won’t have to wait long for hot water especially in the cold winter and day when all they need is a warm bath after a tiring, long day.

Among the thriftiest and most energy-efficient tankless water heaters that you can find is this condensing high-efficiency model from Takagi. It’s also physically small and relatively light,...

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