10 Best Electric Tankless Water Heater Reviews (2023)

Finding the best electric tankless water heater for your home can be a daunting task. With so many models on the market, it can be hard to know which one is right for you. That’s why we’ve taken the time to compile our list of the 10 best electric tankless water heaters on the market today. We’ve looked at different features and customer reviews to come up with this list that will help you find the perfect water heater for your needs. Our reviews will help you make an informed decision about which model is right for you, so read on and find out which one is the best choice!

What is an Electric Tankless Hot Water Heater?

An electric tankless water heater is a type of water heating system that does not use a large storage tank to store hot water. Instead, it uses an electrical current to heat up water as it passes through the system.

What Are the Benefits of an Electric Tankless Water Heater?

This allows for more efficient energy use and provides an unlimited supply of hot water. The main advantages of an electric tankless water heater are its compact size, energy efficiency, and cost savings over traditional tank systems. Tankless systems also require less maintenance and are able to heat water instantly or on demand. Additionally, they provide peace of mind knowing that there will never be a shortage of hot water during peak times.

10 Best Electric Tankless Water Heater Reviews

When it comes to selecting the best electric tankless water heater, reviews are invaluable sources of information. There are numerous options available on the market, and having a reliable source of professional opinions can help you make an informed decision. 10 Best Electric Tankless Water Heater Reviews is a great place to start your search; they provide detailed assessments of various models and brands that have been tested and evaluated in real-world conditions. They also offer comparisons between different models, so you can find the one that best meets your needs and budget. With their unbiased opinions, you can be sure that you’re getting the most value for your money when investing in a new electric tankless water heater.

1. Airthereal Electric Tankless Water Heater

Airthereal Electric Tankless Water Heater
  • AC power source
  • Dimensions 17.25 x 12.22 x 3.43 inches
  • Black color
  • 240 gallon capacity
  • With high temp protection
  • Dry heating protection
  • Electrical leakage protection
  • On-demand hot water to use
  • The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion

The Airthereal Electric Tankless Water Heater offers endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank. This wall-mounted water heater uses 90% less space than a traditional water heater, saving you valuable real estate while saving up to 50% on your water heating costs. Featuring an 18kW electric power source, this requires 240 voltage for operation and comes with a capacity of 240 gallons. With dimensions of 17.25 x 12.22 x 3.43 inches, this black tankless heater is perfect for a variety of applications including residential and commercial use.

This powerful heater also features high temp protection, dry heating protection, and electrical leakage protection to ensure you enjoy safe and reliable performance every time you use it. Enjoy the convenience of on-demand hot water to use on your schedule when you install the Airthereal Electric Tankless Water Heater today!


2. Thermomate on Demand Electric Tankless Water Heater

Airthereal Electric Tankless Water Heater
  • AC power source
  • Dimensions LxWxH 9.75 x 3.75 x 12 inches
  • White color
  • 2 gallon capacity
  • ETL certified with overheating protection
  • Auto stop heating when detecting no water
  • Quality workmanship for leakage protection

Introducing the Thermomate on Demand Electric Tankless Water Heater – the perfect solution for instant and unlimited hot water. With its advanced technology, it provides hot water in just 3 seconds. It also requires only the energy needed to heat water when you need it, making it 99.8% efficient, and saving up to 60% on your water heating costs.

This electric tankless water heater is wall-mounted and compact in size with dimensions of 17.12 x 13.12 x 3.12 inches (in a classic gray color) and requires no water tank. The auto-adjusting energy consumption ensures maximum efficiency, continuous stable temperature, and optimal power usage. The digital temperature display allows adjustment from 80°F to 140°F in 1° increment, achieving better performance and low maintenance needs.

If you’re looking for an energy-efficient way of providing instant, unlimited hot water with minimal maintenance required – then look no further than the Thermomate on Demand Electric Tankless Water Heater! Its AC Power Source ensures that you can enjoy all the benefits of hot water whenever you need it!


3. Rheem Tankless Electric Water Heater

3. Rheem Tankless Electric Water Heater
  • AC power source
  • Dimensions LxWxH 12.6 x 8.25 x 3.63 inches
  • Gray color
  • 240 voltages
  • Self-modulating power control

Introducing the Rheem Tankless Electric Water Heater, a modern and efficient way to heat your water. This electric water heater is powered by an AC power source and comes in a sleek gray color. It is designed to run on a 220-volt electricity supply and features an ON/OFF dial control with an adjustable digital temperature display for easy operation. The Self-modulating power control helps to save energy while delivering hot water on demand. With its 8kW model flow rate of up to 1.95 GPM, you can enjoy continuous hot water with no wait time! Additionally, side 1/2″ NPT water connections make installation easy and hassle-free. Upgrade your home with this effective electric tankless water heater from Rheem today!


4. Stiebel Eltron Tempra 29 Plus Electric Tankless Water Heater

4. Stiebel Eltron Tempra 29 Plus Electric Tankless Water Heater
  • AC power source
  • Dimensions LxWxH 4.63 x 16.63 x 14.5 inches
  • White color
  • Capacity 0.39 gallons
  • Sleek design

The Stiebel Eltron Tempra 29 Plus Electric Tankless Water Heater is the perfect solution for those who need an on-demand, continuous and unlimited supply of hot water. With its stylish white color and sleek design, this electric tankless water heater will save you space without compromising performance. It requires a hard-wired 240 or 208-volt AC power source and can draw up to 28,800 watts at 240 volts or 21,600 watts at 208 volts. You’ll also need 3 separate dedicated 40 amp breakers with 8 gauge copper wiring plus a minimum of 200 amp total service to the residence. The dimensions are 4.63 x 16.63 x 14.5 inches and it has a 0.39 gallons capacity for hot water delivery per minute. With the Stiebel Eltron Tempra 29 Plus Electric Tankless Water Heater, you’ll get all the hot water you need with maximum efficiency!


5. LJRUN Instant Electric Water Heater

5. LJRUN Instant Electric Water Heater
  • AC power source
  • Dimensions LxWxH 11 x 7.5 x 27 inches
  • Black color
  • Overheat protection
  • Electric insulation walls to protect people from electric leakage damage
  • Dry heating protection
  • Leakage protection
  • Over temperature protection
  • Sensor trouble protection
  • LED digital display

The LJRUN Instant Electric Water Heater is a great choice for anyone looking for an efficient and reliable way to enjoy hot water on demand. With its compact size of 11 x 7.5 x 27 inches, this black water heater can be easily installed in any location. It runs on AC power source and features a range of safety features such as overheat protection, dry heating protection, leakage protection and sensor trouble protection.

The digital display and touch control panel allows you to adjust the temperature between 86℉-131℉ with precision while the temperature memory function helps avoid repetitive work. Thanks to its energy saving design, the tankless electric water heaters are 98% thermal energy efficient and can adjust power input based on flow rate and temp setting in real-time.

All in all, the LJRUN Instant Electric Water Heater is an ideal choice for anyone looking for an instant hot water solution that is safe, efficient and easy to use.


6. SIVUATEK on Demand Electric Tankless Water Heater

6. SIVUATEK on Demand Electric Tankless Water Heater
  • AC power source
  • Dimensions LxWxH 9 x 10 x 2 inches
  • Black color
  • Compact design
  • Adjusts power input based on flow rate
  • Safety and optimal energy efficiency of 98%
  • Specially designed heating chamber
  • Ensure 100% safety and it is listed by ETL

The SIVUATEK on Demand Electric Tankless Water Heater M1-65 is the perfect solution for providing instant and sufficient hot water to your home. With its powerful 6.5kW heating system, you can enjoy luxurious hot water of 110℉ in seconds with a 99% energy efficiency rating. The sleek black design of this tankless heater has dimensions of 9 x 10 x 2 inches, making it easy to install almost anywhere.

This electric tankless water heater also comes with multiple safety features, such as leakage protection, over heating protection and auto stop, making it safe and reliable for households, schools, hospitals, offices, bars and other public facilities. It also has a specially designed heating chamber that runs water line and electricity line separately to prevent corrosion or scale deposition while still providing reliable performance over the years.

The M1-65 is compatible with an AC power source and comes with standard plumbing connections 1/2″ NPT as well as a pigtail cord for easy installation. For added peace of mind, it also includes a 3 year warranty from SIVUATEK. Get your SIVUATEK On Demand Electric Tankless Water Heater today for luxury hot water whenever you need it!


7. Titan Electric Tankless Water Heater

7. Titan Electric Tankless Water Heater
  • AC power source
  • Dimensions LxWxH 4.8 x 9.6 x 12 inches
  • White color
  • 220 Volts

Titan Electric Tankless Water Heater is a powerful and efficient water heating solution. This electric heater is designed to provide hot water on demand, so you can enjoy the comfort of warm water any time you need it. It has a sleek white color, and its dimensions are LxWxH 4.8 x 9.6 x 12 inches, making it convenient and space-saving. The Titan Electric Tankless Water Heater has an AC power source and runs on 220 volts of electricity for maximum power efficiency. With its advanced design, this electric heater guarantees long-lasting performance and reliable service for your home or business needs. Get the Titan Electric Tankless Water Heater today and enjoy instant hot water with ease!


8. iHeat Tankless Stainless Steel Enclosure Electric Water Heater

8. iHeat Tankless Stainless Steel Enclosure Electric Water Heater
  • AC power source
  • Dimensions LxWxH 3.5 x 7.7 x 11.5 inches
  • Steel color
  • Compact size
  • Saves you up to 60% on your water heating costs
  • Water proof construction

The iHeat Tankless Stainless Steel Enclosure Electric Water Heater is the perfect choice for any applications near the ocean. This water heater is designed with stainless steel construction, making it an ideal fit for beach front properties, yachts, small boats, resorts, outdoor kitchens etc. It can also be used in highly sterile applications like commercial kitchens, hospitals, clinics and schools. The dimensions of this water heater are LxWxH 3.5 x 7.7 x 11.5 inches and it has a 7 liter capacity.

This tankless water heater saves valuable space with its compact size; compared to tank type water heaters, it is small enough to fit in any under counter installation or even closets. It runs on AC power source and comes in a sleek steel color for easy blend in with other appliances or equipment around you. Additionally, this tankless water heater saves you up to 60% on your water heating costs as well as allowing you to easily and safely control the temperature by using our waterproof interactive touch pad.


9. BISELONG Electric Tankless Hot Water Heater

9. BISELONG Electric Tankless Hot Water Heater
  • AC power source
  • Dimensions LxWxH 8 x 6 x 2.2 inches
  • Gray color
  • Save up to 70% operational cost
  • Multiple safety protection functions
  • Premium tempered glass shell is corrosion resistant
  • High-grade and easy to wipe
  • Digital display
  • Touch control panel for visual setting

The BISELONG Electric Tankless Hot Water Heater is the perfect solution for a hot water shower. Equipped with a 9KW high-power heating system, it can automatically maintain water temperature for your comfort during bathing. With its smart inverter technology, it can save up to 70% energy and costs less. Its premium tempered glass shell is corrosion-resistant and long lasting. This mini hot water heater is ideal for kitchen, bathroom, bar, school, hospital, community, and hair salon use.

The electric tankless water heater comes with digital display & touch control panel for easy use and installation. It has a compact design with dimensions of LxWxH 8 x 6 x 2.2 inches and 2 gallon capacity and comes in gray color. The product also includes shower head, water valve, pipes and other accessories so you don’t have to worry about additional expenses or time spent preparing accessories. With its 360° installation feature (horizontally, vertically & obliquely), this hot water heater runs on AC power source making it very convenient to use in any environment. Enjoy one year warranty and 24H customer service support from BISELONG when you purchase this electric tankless hot water heater today!


10.EcoSmart ECO 8 Electric Tankless Water Heater

10.EcoSmart ECO 8 Electric Tankless Water Heater
  • AC power source
  • Dimensions LxWxH 9.75 x 3.75 x 12 inches
  • White color
  • Highly durable
  • 2 gallon capacity

The EcoSmart ECO 8 Electric Tankless Water Heater is a great choice for any home or business. It is a highly durable product with a white color and Dimensions LxWxH 9.75 x 3.75 x 12 inches, making it a perfect fit for any space. The water heater has an AC power source and 2 gallon capacity, ensuring that you will have enough hot water for all your needs. The heating elements are made of quality materials and are threaded for easy replacement should the need arise.

This product is designed to be easy to use and comes with an Activation Flow of 0.3 GPM, so you can quickly get hot water when you need it most. Manufactured in China, the EcoSmart ECO 8 Electric Tankless Water Heater offers reliable performance and long lasting durability. With this product, you can rest assured that you will have plenty of hot water whenever you need it.


What Factors Should be Considered while Choosing the Best Electric Tankless Water Heater?

There are several factors to consider when choosing the best electric tankless water heater for your home or business. Here are some of the key factors to consider:

  1. Size and capacity: Make sure the electric tankless water heater is appropriately sized for your needs. Consider the hot water demand of your household or business, as well as the flow rate of the unit.
  2. Efficiency: Look for an electric tankless water heater with a high energy factor (EF). A higher EF means the unit is more efficient at converting energy into hot water.
  3. Cost: Consider the initial cost of the electric tankless water heater, as well as the long-term cost of operation. Look for units that are energy efficient to help reduce energy costs over time.
  4. Warranty: Choose an electric tankless water heater with a good warranty to ensure that you have protection in case of any issues or defects.
  5. Location: Consider the location of the electric tankless water heater in your home or business. Some units require ventilation, while others do not. Make sure the unit you choose is suitable for your location.
  6. Climate: Consider the climate in your area when choosing an electric tankless water heater. Units with a higher maximum flow rate may be necessary in colder climates to meet hot water demand.
  7. Water quality: Consider the quality of your water when choosing an electric tankless water heater. Some units are designed to handle hard water or water with a high mineral content, while others may not be as effective.
  8. Brand and model: Do some research on different brands and models of electric tankless water heaters to find one that has a good reputation for reliability and performance.

Conclusion: What to Consider When Buying an Electric Tankless Water Heater

In conclusion, when shopping for an electric tankless water heater, it is important to consider a few key factors to ensure you make the best decision for your home and family. Firstly, consider the size and capacity of the unit, as well as the size of your household and the hot water demand of your home. Additionally, think about the type of heating element and the fuel source, as well as the water flow rate and the temperature rise. Lastly, consider the warranty and customer service offered by the manufacturer, as well as the upfront and ongoing costs of the unit. By considering these factors, you can make an informed decision and choose the electric tankless water heater that best fits your needs and budget.

FAQs

What is the downside of an electric tankless water heater?

One downside of an electric tankless water heater is that it may not be able to keep up with high hot water demand in larger households or homes with multiple bathrooms. They also have higher upfront costs and may not be as energy efficient as gas-powered tankless water heaters in some cases.

Why do people not like tankless water heaters?

Some people do not like tankless water heaters because they may not be able to keep up with the high hot water demand in larger households or homes with multiple bathrooms. They may also have higher upfront costs and may not be as energy efficient as expected in some cases.

Is it worth switching to electric tankless water heater?

Whether or not it is worth switching to an electric tankless water heater depends on a variety of factors, including the size of your household, the hot water demand of your home, and your budget. In some cases, an electric tankless water heater may be more energy efficient and cost-effective than a traditional storage tank water heater, but it is important to consider all the factors and do your research before making a decision.

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