The 10 Best electric tankless hot 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 hot water heater are available on the market, but finding the best electric tankless hot 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 hot 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 hot 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 Rheem 18kW 240V Tankless Electric Water Heater . If you are looking for something a bit budget-friendly, then you have got your EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology . 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 hot 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 hot 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 hot water heater. Take a look at the products below and pick the best one that fulfills your needs:

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 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 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 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

Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series

$299.99
3 used from $209.99
Free shipping
as of November 9, 2022 5:13 pm

Features

  • ☼ 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 water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
  • ☼ 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 traditional hot water heater with a tank.
  • ☼ 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 heat up water while you are using it to save up to 50% on water heating costs compared to a typical tank water heater.
  • ☼ Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.
  • ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.

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

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

Tankless On Demand Water Heater Electric 240V, ECOTOUCH 5.5KW Hot Water Heater For Sink, Electric Instant Hot Water Heater, Overheating Protection, Sliver

$119.99
as of November 9, 2022 5:13 pm

Features

  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the on demand electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The electric hot water heater ECO55 adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system of smart instant hot water heater when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater electric comes with digital display & touch control panel so temp setting is easy job, you needn’t go through hard lesson of getting full understanding of working status of the 240v water heater tankless. Now turn on the tap and let the smart unit do the rest, just enjoy the instant hot water.
  • 【SAFE and DURABLE】Applied with newly updated multiple protection devices, every piece electric hot water heater goes through strict tests to ensure 100% safe. Inner water and electricity lines are specially designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【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 energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected], 6 x 11 x 3 Inch

$191.97
8 new from $189.71
8 used from $118.68
Free shipping
as of November 9, 2022 5:13 pm

Features

  • 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

Craftsman CMXTEPA0036 36kW 240-Volt 7.3 GPM Electric Tankless Water Heater, Red

$649.99
as of November 9, 2022 5:13 pm

Features

  • Warm to hot climates - serves up to 3-4 bathrooms | Cool to cold climates - serves up to 3 bathrooms
  • Requires a 240-Volt service with four 40 Amp double-pole breakers and four 8/2 AWG wires
  • 35° F Temperature Rise – 7.3 GPM, 45° F Temperature Rise – 5.46 GPM, 55° F Temperature Rise – 4.47 GPM
  • Digital control panel allows you to easily set the desired temperature up/down in increments of 1 degree F from 90 – 122 degrees
  • Durable assembly with stainless steel, non-corrosive, lead free internal canisters and piping with standard 3/4 in. NPT (straight thread) fittings

After analyzing the above 10 best-selling electric tankless hot 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 hot water heater that fits your budget & requirements. And we think that we were able to succeed in this mission.

All the selected electric tankless hot water heater are leading products available on the market. If you are looking for a cheap electric tankless hot water heater because you will be making limited use of it, go for the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray which will give you what you pay for.

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