The 10 Best electric tankless water heater Comparison & Top Picks

In this modern era, there are lots of brands and companies producing a thousand types of products. it’s true that the different types of electric tankless water heater are available on the market, but finding the best electric tankless water heater to suit your budget and needs can be a bit daunting. But, if you leave it in the hands of industry experts like us, you can be sure that you will come up with a reliable and trustworthy electric tankless water heater. Also, it will save you valuable time and bucks. So, without wasting any more time, let’s dive into the selected comparison.

Our expert team spent hours analyzing, reading real consumer reviews, and pulling from our own personal experiences to bring you our list of the top ten best electric tankless water heater available on the market right now. We have presented a variety of options from the different reputed brands. So you have many alternatives to pick the perfect one. If you ask us personally, then the ultimate choice, that we would recommend to you is EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology . If you are looking for something a bit budget-friendly, then you have got your Rheem 18kW 240V Tankless Electric Water Heater . For the rest options, read the article till the very end.

All ten of the options on our list come from reputed brands or companies and have their own unique features that make them great, it’s up to you to decide which one makes the most sense for you. if you are looking for an efficient and effective electric tankless water heater, our comparison chart should be of great assistance to you.
Here is our comparative list available as well as our recommendations.

A Quick Comparison of Top Rated electric tankless water heater

To help you make a pleasure buying decision, we have prepared the following section with some key features of each of these electric tankless water heater. Take a look at the products below and pick the best one that fulfills your needs:

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

$299.00
$226.40
14 new from $226.40
8 used from $192.75
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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 11.5 x 8 x 3.75 inches
  • 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 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

Rheem 18kW 240V Tankless Electric Water Heater

$449.00
$419.00
14 new from $418.80
2 used from $324.63
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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

EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology

$499.00
$433.42
11 new from $433.17
2 used from $335.75
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

$582.75
9 new from $579.58
3 used from $393.78
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

$749.00
$599.00
2 new from $599.00
4 used from $363.71
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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

Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23

$799.00
5 new from $792.83
3 used from $511.16
as of November 9, 2022 5:13 pm

Features

  • 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

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

$274.00
10 new from $274.00
as of November 9, 2022 5:13 pm

Features

  • 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

EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology

$279.00
$251.71
7 new from $249.40
2 used from $152.38
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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

Electric Tankless Water Heater, ECOTOUCH 14kW Instant Hot Water Heater on Demand 240V Point of Use Hot Water Heater Self-Modulation ECO140B Black

$224.99
as of November 9, 2022 5:13 pm

Features

  • 【INSTANT & SUFFICIENT HOT WATER】 With real powerful 14kW smart heating system, the tankless hot water heater electric ECO140B supplies sufficient instant and endless hot water of 120℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time any more and no worry of running out of it. Perfect companion for small apartment use, including shower, sink faucets, dishwasher, washing machine, etc.
  • 【SELF MODULATION INSTANT WATER HEATER】The electric on demand tankless hot water heater ECO140B adjusts exact power input based on current flow rate and temp setting. For example, less power will be consumed by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 98% saves considerable electric charge for you.
  • 【CONVENIENT USE】The electric tankless water heater 14kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status of the 240V water heater tankless, you needn’t go through hard lesson of setting. Now turn on the faucet and let the smart instant hot water heater do the rest.
  • 【SAFE and DURABLE】Newly updated and applied with multiple protections, such as leakage protection, over heating protection and auto stop,every piece electric tankless water heater ECO140B goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.
  • 【POINT of USE WATER HEATER】The sleek tankless water heater ECO140B is compact as shoes box, making it possible to install anywhere point of use to avoid waste, ideal for shower, kitchen, bar, school and hair salon. Please verify it is the right size for you: 14kW at 240V(only); dimensions 11.14" (W) x 15.87" (H) x 3.46" (D); plumbing connections :1/2" NPT. In order to install 14kW Tankless Water Heater it would requires 240 Voltage, 1X60AMP Double Pole Breaker and 1X6AWG/2 wires with Grounding.

Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5

$589.00
$502.33
3 new from $502.33
4 used from $386.17
Free shipping
as of November 9, 2022 5:13 pm

Features

  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design.Activation flow 0.3 GPM
  • ECOSMART tankless water heaters are 99.8-percent energy efficient

After analyzing the above 10 best-selling electric tankless water heater, you may get a crystal and clear idea about your product. This article was created with the hope that you will be able to find the best electric tankless water heater that fits your budget & requirements. And we think that we were able to succeed in this mission.

All the selected electric tankless water heater are leading products available on the market. If you are looking for a cheap electric tankless water heater because you will be making limited use of it, go for the EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology which will give you what you pay for.

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