Top 10 Best Water Heater Tankless Electric [2022]

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You can trust our selection for Water Heater Tankless Electric Reviews. Because We have worked hard studying and analyzing 37549 reviews for Water Heater Tankless Electric and rating them. It was a difficult job to list only ten products for Water Heater Tankless Electric where thousands of them available online. I hope it will help you to take final decision for Best Water Heater Tankless Electric.

Best Water Heater Tankless Electric

Best Water Heater Tankless Electric

37549 number of user reviews were available online, which we scanned to find the water heater tankless electric. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

Comparison Chart of Top 10 water heater tankless electric

NoProductScoreAction
1Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric9.8Buy On Amazon
2Ecosmart ECO Electric Tankless Water Heater9.6Buy On Amazon
3Eemax EEM24013 Electric Tankless Water Heater9.6Buy On Amazon
4Tankless Water Heater Electric 5.5kW 240V9.2Buy On Amazon
5EcoSmart ECO 18 Electric Tankless Water Heater9.2Buy On Amazon
6Rheem RTEX-24 24kW 240V Electric Tankless Water Heater9Buy On Amazon
7Electric Tankless Water Heater 240V Electric Hot water Heater Self-Modulation on Demand Water Heater 13kW Point of Use Water Heater ECO130W White9Buy On Amazon
8EcoSmart ECO 11 Electric Tankless Water Heater8.8Buy On Amazon
9Rheem RTEX-18 18kW 240V Electric Tankless Water Heater8.6Buy On Amazon
10Rinnai V75iP Tankless Hot Water Heater8.2Buy On Amazon

1. Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric

  • On demand a continuous and unlimited supply of hot water
  • Sleek design saves space and no venting required
  • Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts.
  • Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence.

2. Ecosmart ECO Electric Tankless Water Heater

  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 27 Sizing; 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed.
  • Required Breaker Quantity: Three 40 Amp Double Pole
  • Recommended Electrical Panel: 200 Amps
  • NEVER run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water

3. Eemax EEM24013 Electric Tankless Water Heater

  • Tank less water heaters provide a continuous Supply of hot water and only heats the water you need, when you need it.
  • Instant, consistent and endless hot water
  • The most advanced, self-modulating technology available, meaning the unit will adjust how much energy needs to be input based on how much hot water is needed.
  • Compact size saves valuable storage space
  • Before purchase and installation, Please verify that this EEM24013 is the correct size for your hot water needs.

4. Tankless Water Heater Electric 5.5kW 240V

  • INSTANT and Endless HOT WATER] Applied with 5.
  • SMART SELF ADJUSTMENT] The electric hot water heater adjusts exact power input based on flow rate and temp setting in real time.
  • TEMPERATURE SETTING KNOB DESIGN,CONVENIENT USE] The electric tankless water heater 5.
  • SAFE and DURABLE] Newly updated and applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe.
  • POINT OF USE] The sleek electric tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste.

5. EcoSmart ECO 18 Electric Tankless Water Heater

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75.
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
  • Lifetime warranty for residential use
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • 75 A

6. Rheem RTEX-24 24kW 240V Electric Tankless Water Heater

  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Bottom 3/4″ NPT water connections
  • On demand, consistent and continuous hot water

7. Electric Tankless Water Heater 240V Electric Hot water Heater Self-Modulation on Demand Water Heater 13kW Point of Use Water Heater ECO130W White

  • Electric Tankless Water Heater】applied with powerful 13kW heating system, the tankless water heater electric ECO130W supplies sufficient instant and endless hot water of 110℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time, perfect companion for single shower, sink faucets,dishwasher or washing machine.
  • Self Modulation Instant Water Heater】the electric hot water heater ECO130W adjusts exact power input based on current flow rate and temp setting.
  • Convenient Use】the electric tankless water heater 13kW comes with digital display & touch control panel so temp setting is easy job.
  • Safe and Durable Hot Water Heater】newly updated and applied with multiple protections, every piece electric tankless water heater from GREATBEAR goes through strict tests to ensure 100% safety.
  • Point of Use Water Heater】 the sleek tankless water heater electric ECO130W is compact as a shoes box, making it possible to install anywhere point of use to avoid energy and water waste, ideal for single shower, kitchen faucet, bar, school, hospital, community and hair salon.

8. EcoSmart ECO 11 Electric Tankless Water Heater

  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.

9. Rheem RTEX-18 18kW 240V Electric Tankless Water Heater

  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Most advanced self-modulation, adjust power to meet hot water demand
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Simple installation – bottom 3/4 inch NPT water connections
  • Threaded for easy replacement, simple installation, digital temperature display

10. Rinnai V75iP Tankless Hot Water Heater

  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance up to 7.
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively.

Water Heater Tankless Electric Buying Guide


Does the thought of finding a great Water Heater Tankless Electric stress you out? Has your mind been juggling between choices when it comes to buying Water Heater Tankless Electric in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Water Heater Tankless Electric for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Water Heater Tankless Electric Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Water Heater Tankless Electric in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volaume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Water Heater Tankless Electric currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Water Heater Tankless Electric brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Water Heater Tankless Electric based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Water Heater Tankless Electric before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Water Heater Tankless Electric they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Water Heater Tankless Electric, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Water Heater Tankless Electric before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Water Heater Tankless Electric will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Water Heater Tankless Electric if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Water Heater Tankless Electric on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Water Heater Tankless Electric on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Water Heater Tankless Electric featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.