Top 5 Best Electric Tankless Water Heater: Reviews and Specifications

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Best Electric Tankless Water Heater

Almost everyone today prefers to use a water heater in their homes. It gives a lot of comfort for various purposes like soaking dirty clothes in warm water without wasting cooking gas for heating the water. In winters it is like a boon to everyone, especially for those people who live in cold places.

Those people who are already using water heaters are now switching to the new electric tankless water heater. This switching provides them with some plus points like less space covered, easy to install, cost, and electricity efficiency. Nowadays people look for the best electric tankless water heater for a mobile home too.

I know it can be a big headache to choose for the best electric tankless water heater with so many brands in the market with all sale techniques. So, I will provide below reviews of the five best electric tankless water heater to help you make the right choice for your purpose.

Let’s get started then.

#1 Ecosmart ECO36

If the cost and maintenance is your main deciding factor in choosing the best electric tankless water heaters, Ecosmart ECO36 is the one for you. It is without a doubt the most energy efficient water heater that can instantly reduce your energy bills.

With a 6 GPM tankless system, this heater provides the constant supply of hot water just by a click of buttons. Its recorded usage is 40 amps which clearly gives the evidence of this heater being a cost efficient one. Installation can be done quite easily.

For very cold places where temperature drops to minus, this heater will be a perfect fit as it can spot change in temperature upto one degree fahrenheit. Plus, its size is smaller than almost 90 percent of other heaters in the market. So, Ecosmart electric tankless water heater will take minimum space in your home.

SPECIFICATIONS

  • Kw- 36
  • Voltage- 240
  • Temp Range- 80° F to 140° F
  • Max Amperage- 150
  • Required Breaker- 4×40 AMP
  • Wire Gauge- 4×8 AWG
  • Size- 17″ × 21″ × 3.75″
  • Weight- 17.4 lbs
  • Water connection- ¾” NPT

Pros

  • Easy Installation
  • Can read temp change even less than 1° F.
  • 0.3 GPM activation flow
  • Energy Efficient
  • Cost Cutting
  • LED indicators
  • Smaller than 90% of all heaters

Cons

  • Fluctuation in GPM has been noticed because of external temp
  • Reports of water leaking have been registered.

#2 Stiebel Eltron Tempra Plus

If you are looking forward to changing your traditional tank water heater to the best electric tankless water heater, Tempra Plus is one of the best choices for you.

With easy installation of Tempra Plus you can save about 15-20 percent of your energy bills as it uses only 150A electricity.

It has a digital interface which makes it easy for the users to control the temperature as per their own accord. And these are made to record even small changes in the temperature.

With the 4.37 GPM flow of water, you will get a continuous supply of hot water. The best part about this model is that it is of the install and forget kind. There is no such special maintenance needed for it. You can even use it as a replacement for your existing water tank and there will be no issues.

SPECIFICATIONS

  • Kw- 36
  • Voltage- 240A
  • Temp Range- 86° F to 140° F
  • Max amperage draw- 150A
  • Required breaker- 3×50 ADP
  • Wire Gauge- 3× 6/2 AWG
  • Minimum flow to activate unit- 0.77 GPM
  • Water Connection- ¾” NPT

Pros

  • Can simultaneously service multiple rooms
  • Good energy savings
  • Easy digital controls
  • 4.37 Gpm flow of water
  • Durable stainless steel build
  • Can be installed by just one person

Cons

  • Cold temperatures can affect its working
  • Installation is tricky.

#3 Rheem RTEX-13

With 98 percent energy efficiency, unlike other similar products, Rheem RTEX-13 is yet again one of the best electric tankless water heater. It’s genius features allows it to control the mechanism of external temperature even change of even one degree Fahrenheit.

With a very easy and quick installation process, it can be set up in just a few hours. Everything you need for installation will be available for you in the package itself including electric cables, adapters and water connection. And it comes with LED indicators. It is a light weight machine of just 8.5 pounds.

Since it does not come with a tank, you can get hot water anytime you want just by a click of a button. It comes with an activation flow of 1.5 GPM.

SPECIFICATIONS

  • Kw- 13
  • Voltage- 240
  • Temp Range- 80°F to 140°F
  • Weight- 8.5 pounds
  • Activation flow- 1.5 GPM
  • Water Connection- ½” NPT
  • Size- 4×9×13 inches
  • Required breaker- 60 amp

Pros

  • Lightweight and small in size
  • Energy Efficient
  • Easy Installation
  • Hot water whenever required
  • Very Affordable
  • Requires less space
  • Goes well with buildings where the demand on the increase

Cons

  • Do not work well in cold climates

#4 Bosch WH27

When you are looking for the best electric tankless water heater, Bosch WH27 might become your secondary choice because of its price that is above than most heaters in the market but still it is worth that value. It consumes very much less energy and gives a regular supply of hot water. So while paying the price you can consider it as a one time investment.

With thermal efficiency of 97 percent, it is hard to find such a good product in the market with such a genius efficiency and external temperature controls. Weighing less than 20 pounds, this heater takes just an hour to install and will be ready to use in no time. All these features make it available in the list of best electric tankless water heater.

And if you experience any problem in using this heater, the warranty policy will easily cover that without you having to pay any price.

SPECIFICATIONS

  • Kw- 26.9 Kw
  • Voltage- 240
  • Temp Range- 80°F to 140°F
  • Weight- 19.5 pounds
  • Size- 15.5 x 4.5 x 12.5 inches
  • Activation Flow- 0.8 GPM
  • Required Breaker- 40 amp
  • Wire Gauge- 8 AWG

Pros

  • 97 percent thermal efficiency
  • Lightweight and compact design
  • Suitable in households or commercial areas
  • No venting required
  • Can regulate temperature by itself
  • Energy Efficient
  • 5 years warranty on heating machine and 2 years warranty on other parts

Cons

  • Costing is higher than many other water heaters in the market.

#5 Titan SCR2 N-120

With a weight of only 8 pounds, Titan SCR2 N-120 can be installed anywhere i.e. household or commercial area or any wall surface making it one the best electric tankless water heater. Requiring 220 voltage this water heater provides an endless supply of hot water at a very low price.

Plus its tan steel design makes it very suitable for modern homes and offices as it goes very well with the whole interior. Temperature fluctuations are very low as its microprocessors check the outgoing and incoming water every 20 seconds. This leads to saving more energy.

10 years warranty are given on the components carrying water and 1 year warranty on the rest. The activation flow rate is 0.5 GPM.

SPECIFICATIONS

  • Kw-
  • Voltage- 220
  • Size- 12 x 10 x 5 inches
  • Weight – 2 pounds
  • Amperage Capacity- 54 Amps
  • Activation Flow- 0.5 GPM
  • Flow Rate- 4 gallons per minute
  • Required Breaker- 60 amp
  • Wire Gauge- 6 AWG

Pros

  • High Energy Efficient
  • Easy Installation
  • 10 years warranty
  • Covers less space
  • Works well with hard water
  • Suitable in homes with two washrooms in warm places
  • Flow rate is 4 GPM
  • Attractive Design

Cons

  • Water inlet requirement is 65 degree Fahrenheit
  • Not suitable for cold climates

FAQs on Best Electric Tankless Water Heater

Is the electric tankless worth the cost?

The best electric tankless water heater is very efficient in saving energy and can cut your energy bills to almost half. They even cover very little space in your room. These provide an endless supply of water anytime you need them. These tankless water heaters are worth every penny you pay.

Till when does the water in tankless heaters last?

The straight answer to this question is Never. The best electric tankless water heater warms up the water according to the need of the one using it. Since it does not have a tank, no water is stored in it. These heaters are connected to a water storage tank which allows water to go through these heaters to warm it as much as needed.

What time is needed for installation for these heaters?

These electric tankless water heaters installation take up only about an hour or two, the range depending on the brand. They can be installed just by one person and there is no rocket science in it. The best electric tankless water heater don’t even require much space and so can be installed anywhere.

What size water heaters are required for a family of 4?

If you are confused about what size of water heaters to use, keep in mind some factors that it depends upon. Size of your house, The water flow rate in your home, Temperature change, Once you have made a note of all these factors and read reviews of the best electric tankless water heater, you can select the water heater of your choice.

CONCLUSION

This was the guide to the best electric tankless water heater. Tankless water heaters are gaining much popularity and people are switching to it from the traditional ones. In order to modernize your home or working space, saving a lot of energy and eventually the energy bills which is a very big issue in water heaters with tanks, tankless water heaters are the best choice to make.

 I hope this helped you a lot in making your choice. If you are still confused about choosing the best one, we recommend you to go for the Ecosmart ECO36 as it is very affordable and saves a lot of energy, cutting our energy bills to almost half.

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