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best electric tankless hot water heater

Best Electric Tankless Hot Water Heater Reviews: Buyer’s Guide 2021

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Are you on the look out for the best electric tankless hot water heater because you’ve heard so much about their benefits? Then you’re at the right place to get further information regarding them.

We’ve spend countless hours doing research and have reviewed only the top rated and the best electric tankless hot water heater for every purpose to save you time.

Also a guide to help you find the best electric tankless hot water heater that can truly cater for all your hot water demands.

Furthermore, to help you make the comparison more easily, we’ve compiled a list of various electric tankless water hater on the market in table to help you make a more informed buying decision.

You may also want to look into our reviewed on the best whole house electric tankless water heater.


Top Rated Electric Tankless Hot Water Heater Chart

Product ImageProduct NameProduct DetailsProduct Price
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating TechnologyEcoSmart ECO 11 Electric Tankless Water Heater– 240 volts
– 11 kilowatt
– Point-of-use only.
Check Price
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, GrayRheem RTEX-18 18kW 240V Electric Tankless Water Heater– 240 volts
– 18 kilowatt
– Point-of-use & multiple applications.
Check Price
Stiebel Eltron Tankless Water Heater – Tempra 24 PlusStiebel Eltron Tempra 24 Plus Tankless Electric Water Heater– 240 volts
– 24 kilowatt
– Point-of-use & multiple applications.
Check Price
Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 WhiteECOTOUCH, ECO90 Electric Tankless Water Heater– 240 volts
– 9 kilowatt
– Point-of-use only.
Check Price
Eemax EEM24013 Electric Tankless Water Heater, BlueEemax EEM24013 Electric Tankless Water Heater– 240 volts
– 13 kilowatt
– Point-of-use only.
Check Price

Top 5 Best Electric Tankless Hot Water Heater Reviews

1. EcoSmart ECO 11 Electric Tankless Hot Water Heater

best electric tankless hot water heater

Looking for the best electric tankless hot water heater? I mean the overall best tankless water heater brands…it is EcoSmart electric tankless water heater brand. Even on Amazon, EcoSmart electric tankless water heater is the highest buy tankless water heater and top rated.

EcoSmart ECO 11 has been bought over 1,770 customers while EcoSmart ECO 27 has been bought by over 2,550 customers globally than any other brand as at the time of writing this reviews. It simply means that EcoSmart hot water heaters are strong, durable and reliable.

The unit is a 240v, 11kw unit. it is an ideal for providing endless hot water for a bathroom, small sink, office breakroom, and other point-of-use or low-flow applications. it can provide between 1.3 and 3.1 gallon per minute depending on the inlet water temperature.

Highly configured as a “whole house’ model for climates where incoming water temperature is 67°F and above. To get this unit installed in your home, you will require minimum of 125amp electric panel with 1 x 60A double pole breaker connected to 1 x 6AWG wire gauge.

A happy customer had explained how he managed to saved $33 from his monthly electrical bill with this unit. Meaning that the heater was able to pay for itself within 7 to 8 months. Another customer explained also how the unit was able to help him save up $60 to $90 monthly.

Therefore, I highly recommend EcoSmart ECO 11 electric tankless hot water heater for you if you actually need the best electrical tankless hot water heater.

It has a lifetime warranty but you’ll have to get your water heater installed for you by a professional. If you install it yourself, that means you’ll be out of lifetime warranty coverage.


2. Rheem Rtex-18 Electric Tankless Hot Water Heater

best electric tankless hot water heater reviews

This professional classic tankless electric hot water heater from Rheem offers continuous hot water quick and on demand for single point-of-use or multiple applications.

Rheem Rtex-18 electric tankless water heater provides on-demand hot water at the rate up to 4.4 gallon per minutes, which is more than enough for the typical household usage.

The unit offers a digital control that makes adjusting the output water temperature easy. Customers love this particular electric tankless hot water heater because it is very easy to install unlike other brands and it saves you some money and energy.

It is 240v, 18kw unit. You will require 2 x 40amp double pole breaker connected 2 x 8AWG wire to get it installed in your home.

As at the time writing this review, there are over 325 customers review on Amazon, with the majority saying positively about it – read them here.


3. Stiebel Eltron Tempra 24 Plus Electric Tankless Hot Water Heater

best tankless water heater reviews

The Stiebel Eltron tempra plus series electric tankless water heater features the most precise temperature control of any tankless water heater on the market today.

The Stiebel Eltron tempra 24 plus electric tankless hot water heater is highly recommended for those who live in cold climates and other applications where the electrical services size does not permit installation of a larger model.

And it may be desirable to handle occasionally high flow demands because of its dynamic advanced flow control technology, which adjusts the flow of water when the units sensors detects that the flow demand is exceeding the heaters capacity.

The unit features a true thermostatic temperature control and full power-modulation based on both the incoming water temperature and the water flow rate.

An excellent choice for all who live in Northen U.S, Canada, and other regions where the incoming water temperature can drop below 45°F.

You’ll r3quire 2 x 50A double pole breaker and 2 x 6/2AWG to install it. It is 24o volts, 24 kilowatt unit.

As at the time writing this review, there are over 439 customers review on Amazon, with the majority saying positively about it – read them here.


4. ECOTOUCH ECO90 Electric Tankless Hot Water Heater

best tankless water heater

ECOTOUCH ECO90 electric tankless water heater is a 240 volts, 9 kilowatt unit. It is cable of heating up to 1.5GPM water 60°F to 67°F.

It is a perfect solution for kitchen and bathroom sinks, dishwasher and washing machine but could also be used for shower if you live in Southern US. It is a point-of-use electric tankless water heater.

However, there are features that made this hot water heater stand out from other brands. Such features are:

  • over temperature protection
  • Dry heating protection
  • Leakage protection
  • Water and electricity line separated.

The unit is recommended for you if you’re looking for point-of-use electric tankless water heater because is specially made for sinks, diswashers, and washing machine .

You’ll require 1 x 2-pole 40Amp and 8AWG/2 with grounding wire.

As at the time writing this review, there are over 130 customers review on Amazon, with the majority saying positively about it – read them here.


5. Eemax EEM24013 Electric Tankless Hot Water Heater

best electric tankless hot water heater

Do you stay in warm climate regions? or you’re looking for high end point-of-use electric tankless water heater for your kitchen and bathroom sinks? Here you have it.

Eemax EEM24013 electric tankless water heater is a 240 volts, 13 kilowatt unit. It is designed to handle point-of-use application or a small apartment in warm climates.

However, the unit is capable of providing you with hot water for one sink in colder climates, or one shower and one sink in warmer climates.

You’ll require 1 x 60amp double breaker for installation with this unit, you have instant, consistent, and endless hot water supply in your home.

As at the time writing this review, there are over 87 customers review on Amazon, with the majority saying positively about it – read them here.


Best Electric Tankless Hot Water Heater: Pros and Cons

Pros

Energy Efficient. Almost all electric tankless water heater brand are 99.8% energy efficient. Electrical tankless water heater saves energy and money for you because they’re on-demand.
No Waiting. You get immediate, consistent, and endless hot water for your home.
Less Space. Electrical tankless water heaters are compact like a size of brief case and does not take up valuable space.
Durable. They can last more than 20 years.
Low risk of exploding.
No Storage of 33 to 50 gallons of hot water, which may not be clean and reheating.

Cons

Constant Power. No power, no hot water. Meaning if you stay where there is no constant power, electric tankless water heater may not be for you.
Maintenance. It needs occasional maintenance like descaling but you can avoid this by installing water softener.
Cost of Installation. Most of electric tankless water heater requires a professional plumber to them installed.

How Does Electric Tankless Hot Water Heater Works

Electric tankless hot water heater works by using an electric element to warm the water as it flows through the pipe and into the unit.

This gives electric tankless water heaters edge over traditional or tank water heaters because electric tankless water heaters deliver an endless hot water supply and provide instantaneous usage and conveniences.

No storage required.

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