20 Best Electric Tankless Water Heaters [2023]

Are you looking for the best electric tankless water heaters? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling electric tankless water heaters.

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1 EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
2 Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self... Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self...
3 Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water,... Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water,...
4 Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
5 Rheem 18kW 240V Tankless Electric Water Heater Rheem 18kW 240V Tankless Electric Water Heater
6 EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
7 Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot... Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot...
8 EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating... EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating...
9 Tankless Water Heater, 110V 3000W Portable Mini Instant Electric Hot Water Heater System with LCD... Tankless Water Heater, 110V 3000W Portable Mini Instant Electric Hot Water Heater System with LCD...
10 Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
11 Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
12 VELOSAN Electric Tankless Water Heater, 14.6kW 240V, On Demand Instant Water Heater with Fahrenheit... VELOSAN Electric Tankless Water Heater, 14.6kW 240V, On Demand Instant Water Heater with...
13 Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected], 6 x 11 x 3 Inch
14 Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital... Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital...
15 Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater
16 Adasea Tankless Water Heater, 3000W Mini Electric Instant Hot Water Heater with LED Display, 110V on... Adasea Tankless Water Heater, 3000W Mini Electric Instant Hot Water Heater with LED Display, 110V...
17 Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
18 MAREY GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White MAREY GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
19 BLACK+DECKER 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater, Multi-Application hot... BLACK+DECKER 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater, Multi-Application hot...
20 Airthereal Electric Tankless Water Heater 14kW, 240Volts - Endless On-Demand Hot Water - Self... Airthereal Electric Tankless Water Heater 14kW, 240Volts - Endless On-Demand Hot Water - Self...
SaleBestseller No. 1
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and...
SaleBestseller No. 2
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self...
  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal...
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
SaleBestseller No. 3
Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water,...
  • 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
Bestseller No. 4
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
  • 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
Bestseller No. 5
Rheem 18kW 240V Tankless Electric 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
SaleBestseller No. 6
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
Bestseller No. 7
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot...
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency...
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts...
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at...
SaleBestseller No. 8
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM
Bestseller No. 9
Tankless Water Heater, 110V 3000W Portable Mini Instant Electric Hot Water Heater System with LCD...
  • 【Specification】: Dimensions: 7.87 x 4.13 x 2.55in; Power: 3000W; Rated Frequency: 60HZ; Rated pressure: 0.4-0.6mpa; Temperature: 30-55; Water pipe...
  • 【Provide Endless Hot Water】: Instant Electric Water Heater changes cold water into hot water, which can take advantage of the thermal energy...
  • 【Premium Material】: This Tankless Water Heater adopts stainless steel material, which is durable, easily solves issues such as face washing,...
  • 【Wide Application】: Compact size and lightweight design, high practicity and convenient installation, install this tankless hot water heater under...
  • 【Practical and Beautiful】: Lightweight mini electric water heater with LCD digital temperature display, a perfect combination of inner quality and...
SaleBestseller No. 10
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A
Bestseller No. 11
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
SaleBestseller No. 12
VELOSAN Electric Tankless Water Heater, 14.6kW 240V, On Demand Instant Water Heater with Fahrenheit...
  • 【Endless Hot Water】No need to preheat and wait. A few seconds can have a suitable temperature of hot water supply. Constant water flow, stable...
  • 【Multiple Protection】VELOSAN water heater has ETL certification and has flame-retardant device. It will automatically stop heating when it detects...
  • 【Time & Space Saving】The tankless water heater has small volume and takes up little space. There is no need to waste time to reheat after...
  • 【High Performance & Low Cost】Water and electricity separation design: The heating element and the water pipe are separated from each other, which...
  • 【After-sales Service】2-year warranty and 24/7 customer service. Easy to install, the power of the water heater is relatively large, so a circuit...
Bestseller No. 13
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected], 6 x 11 x 3 Inch
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT
Bestseller No. 14
Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital...
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of...
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be...
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and...
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity...
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid...
SaleBestseller No. 15
Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater
  • Set the knob on the front cover and enjoy water temperatures between 86DegreeF (30DegreeC) and 125DegreeF (52DegreeC)
  • The three years parts warranty is unique in the industry
  • Due to its small dimensions and attractive housing the DHC-E can be left unconcealed in many applications
SaleBestseller No. 17
Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
  • Unit requires 220v~240v and (1) 70 amp double pole breaker. Minimum Activation Rate 0.50 GPM
  • ETL approved
  • Smart technology: easy management and simple adjustments on a LCD panel allows you to program the exact desired water temperature thereby optimizing...
  • Flow switch activation mechanism allows the unit to produce constant temperatures with as little as . 5Gpm/5Psi
  • Tankless water heaters provide an efficient hot water solution eliminating the stand-by energy consumption of conventional tank units
Bestseller No. 18
MAREY GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
  • This unit is flow activate
  • Save up to 60% on electricity bills for water heating
  • Compact design saves space and is easy to install almost anywhere
  • No electrical connection is required so it's perfect alternative for those homes experiencing frequent power outages
  • Unlimited hot water whenever is needed
Bestseller No. 19
BLACK+DECKER 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater, Multi-Application hot...
  • On demand hotwater heater for ideal for whole house
  • Electric Water Heater with no hot water tank
  • WARRANTY: 7-yr leakage free, 5-yr heat exchanger, 2-yr parts
  • Save up to 50% on your water heating costs
SaleBestseller No. 20
Airthereal Electric Tankless Water Heater 14kW, 240Volts - Endless On-Demand Hot Water - Self...
  • ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the...
  • ☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a...
  • ☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to...
  • ☼ Important Note: In order to install 14kW Electric Tankless Water Heater it would requires 240 Voltage, 60 AMP Circuit Breaker Size and a set of...
  • ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe,...

Having trouble finding a great electric tankless water heaters?

This problem is well understood by us because we have gone through the entire electric tankless water heaters research process ourselves, which is why we have put together a comprehensive list of the best electric tankless water heaterss available in the market today.

After hours of searching and using all the models on the market, we have found the best electric tankless water heaters for 2023. See our ranking below!

How Do You Buy The Best Electric Tankless Water Heaters?

Do you get stressed out thinking about shopping for a great electric tankless water heaters? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching electric tankless water heaters, which is why we have assembled a comprehensive list of the greatest electric tankless water heaters available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for electric tankless water heaters that you consider buying. Your questions might include the following:

  • Is it worth buying an electric tankless water heaters?
  • What benefits are there with buying an electric tankless water heaters?
  • What factors deserve consideration when shopping for an effective electric tankless water heaters?
  • Why is it crucial to invest in any electric tankless water heaters, much less the best one?
  • Which electric tankless water heaters are good in the current market?
  • Where can you find information like this about electric tankless water heaters?

We’re convinced that you likely have far more questions than just these regarding electric tankless water heaters, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for electric tankless water heaters, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible electric tankless water heaters. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an electric tankless water heaters buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available electric tankless water heaters currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of electric tankless water heaters has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an electric tankless water heaters?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your electric tankless water heaters.
  5. Customer Ratings: Number ratings grade electric tankless water heaters objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their electric tankless water heaters.
  7. Product Quality: You don’t always get what you pay for with an electric tankless water heaters, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an electric tankless water heaters is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining electric tankless water heaters information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding electric tankless water heaters is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: Which electric water heater is best?

A: Why it is worth buying electric instant water heater for your bathroom It supplies hot water in no time Allows for greater savings Instant water heaters last long Compact design of Instant geyser Blends beautifully with your interiors

Q: What is the best brand for electric water heaters?

A: – Bajaj 25 Liters Water Heater – Save Rs 5,901. … – Havells 25 Liters Water Heater – Save Rs 7,216. … – Crompton 25 Liters Water Heater – Save Rs 5,951. … – AO Smith 25 Liters Water Heater – Save Rs 2,651. … – Hindware 25 Litre Geyser – Save Rs 1,741. … – Orient Electric 25 Liters Water Heater – Save Rs 9,891. …

Q: Are tankless water heaters worth it?

A: and that’s not necessarily a money saver.” But if saving energy is important to you, getting a tankless water heater may be worth the expense.

Q: Should you install a tankless water heater?

A: Clearance Requirements. You’ll need to meet any clearance requirements the manufacturer might specify. … Install On or Close to an Exterior Wall. You can use internal walls for your tankless water heater. … Put It Close to Gas and Water Inlets and Power Source. … Proximity to Hot Water Appliances. … Venting. …

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