Best Electric Tankless Water Heaters To Buy in 2017

Top 8 Electric Tankless Water Heaters Reviews

The best electric tankless water heater allows you to enjoy an unlimited supply of hot water and lowered energy bills.

Despite having various types of tankless water heaters, electric models stand out. This is due to their performance, efficiency, and also durability. They are affordable and also energy efficient. Thus, installing an electric tankless water heater is a wise decision and is also cheap in the long run.

But we know that the best electric tankless water heater doest not come easy. We are here to ensure that you buy the best electric tankless water heater. We have spent time analyzing most of the available products in this category. Our aim was to select, analyze and also review the top 8 best electric tankless water heaters. Which are they? What do they have to offer? Also, what makes them outstanding? The following reviews will reveal all you aspire to know.

Electric Tankless Water Heaters Comparison

 NameMax BTUInstallation 
1EcoSmart ECO 27 Electric Tankless Water Heater92,150IndoorBuy on Amazon
2Ecosmart ECO 18 Electric Tankless Water Heater61,000IndoorBuy on Amazon
3EcoSmart ECO 11 Electric Tankless Water Heater44,400IndoorBuy on Amazon
4Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater82,000IndoorBuy on Amazon
5Titan Electric SCR2 N-120 Tankless Water Heater41,000IndoorBuy on Amazon
6Stiebel Eltron Tempra 36 Plus Tankless Electric Water Heater123,000IndoorBuy on Amazon
7Ecosmart ECO-36kw 240V Electric Tankless Water Heater123,000IndoorBuy on Amazon
8SioGreen IR14K220 Infrared Electric Tankless Water Heater48,000IndoorBuy on Amazon

Have you set out to search for the best electric tankless water heater? Then, we recommend on considering the EcoSmart ECO 27 Electric Tankless Water Heater. It boasts many enticing features and positive regards by its users.

It’s a water heating system designed and constructed with your needs in mind. It comes in to let you enjoy a consistent supply of hot water as per your demands. This unit will provide adequate water to various points of application together. If your water features temps below 37F, it can only support a single application.

When inlet water temps are about 37-degrees °F, it can raise the water’s temperatures to 105-degrees °F.

Again, you get a flow rate of 2.70 gallons per minute. Also, if you’re in need for a 77-degrees F water temperature rise. Then, this unit’s flow rate will be approximately 2.39 gallons per minute.

Its self-modulating water flow sensor technology manages the energy consumption well. This electric tankless water heater uses minimal power to provide as per your demand. The result is lower energy consumption and thus high efficiency. The manufacturer claims that this unit reduces power consumption by up to 60%. With this heater, hefty electricity bills will be a thing of the past after its installation.

This tankless water heater is set to activate at 0.25 GPM. It features three heating elements that remain deactivated. This particularly when hot water is not in demand.

What’s more, this unit features a digital temperature control console. With this feature, you can now adjust the temperatures of the output water well. Its min temperature setting stands at 80-degrees F. Worth mentioning, you can only adjust the set-point temperature by 1-degree increments.

You will need to have a 240V electric service with the least output of 27000 watts. Ensure that you check your home’s electrical service before trying to operate this unit. Also, ensure that you have a min of 200A electrical supply with three 40DP breakers. Again, this electrical tankless water heater uses 3/4 –inch NPT, and Pipe fittings.

Its compact nature is worth the praise. This unit will save about 12 cubic feet of your space upon installation. Its space-saving capability is also superior. This is when compared to other electrical tankless water heaters out there.

It also comes covered by a lifetime manufacturer’s warranty. But, you need to get these facts right. The warranty only backs the parts and not the labor. To ensure that you enjoy the warranty benefits, use a professional. Avoid installing this system on your own. This is even if you are a DIY enthusiast.

The Pros
  • Firstly, it saves up on space.
  • Digital control system that allows the user to vary the temperature setting. Reduced power consumption. Automated activation of the three heating elements according to the hot water demand. Finally, an up to standard hot water flow rate.

The Cons

  • The hot water flow rate is dependent on the climatic temperature.
  • Limited water supply in cold regions.
  • Finally, there is specific electric service is vital for a successful installation.

In summary, we are confident that this unit has all it takes to serve you in the best way. Ensure that you consider your area’s climate and the temperatures of the supplied water. This way, you should tell whether this unit suits commercial or residential places. This unit will also save you a few bucks on electricity bills. The EcoSmart ECO 27 Electric Tankless Water Heater is worth way far beyond its cost.

Do you want the best experience with tankless water heaters? Then, it’s critical to consider the Ecosmart ECO 18 Electric Tankless Water Heater. This medium-sized tankless water heater brings you amazing features. Its performance allows it to rank among the best products in this category. It also boasts many positive reviews from most of its users across the globe.

This unit is best in areas where the inlet water temperatures are high. This can be areas where waters has temperature of about 62+ degrees F.

When the water’s temperature read 60F, it provides hot water at 2.5GPM with temperatures above 105F. With this flow rate, it can supply hot water to two application points like two showerheads. Hence, this unit can support a home with 2-3 dwellers in the best way.

For excellent performance, this unit requires electrical service. You must have a panel with a capacity to handle 150 Amps of electric current. Again, for good installation, you will need two sets of 8AWG electrical wire. You’ll also need 40A dual pole breakers. Also, this unit comes with dual heating elements of 9kW each for use with 240V.

There is a temperature control knob at the front of this unit. The knob allows for easy temperature setting, one degree at a time. You can set the temperature of the output water from 80 to 140 degrees F.

Especially relevant, ensure that you install this unit indoors. Again, it should not come into contact with weather elements like the scorching sun or rain. Only licensed professionals should carry out the installation. This way you get a guarantee for the best performance and ultra-durability. By installing this unit on yourself, you may lead to the dishonor of the warranty.

We also like compact nature of this unit. Its small size allows for easy transport and installation in any space. In fact, the manufacturer claims that it saves up to 12 cubic feet. This is when compared to the traditional water heaters.

The energy efficiency nature of this unit makes it outstanding and worth way far beyond its cost. As claimed by the manufacturer, this unit will result in 60% decrease in energy used.

Many of its users also appreciate its lifetime warranty for residential use. With the warranty, you can now use this tankless water heater with utmost confidence. All natural quality or performance issues will fall to the manufacturer.

The Pros

  • Compact design thus transporting and installing it is easy.
  • Consistent water supply to two application points. This tankless water heater has a temperature control knob. This allows the user to set temperatures with ease.
  • It possesses dual heating elements.

The Cons

  • Installation requires an expert. You cannot install this tankless water heater outdoors. The hot water supply output best for a home with a low number of occupants.

Despite being mid-sized tankless water heater delivers impressive performance. It has all it takes to serve your home in the best way. Ensure that you check with Amazon to ensure this unit is ideal for use at your home. You can do this by comparing your inherent water’s temperature with the produced hot water flow rate. With that, you will evade any performance disappointments.

The EcoSmart ECO 11 Electric Tankless Water Heater is another high-grade heater. Its professional build provides you with enough reasons to go tankless. It comes with the desired smart technology. It best for areas where the water bears temperatures of about 67 degrees F.

Even more, this unit can work in colder regions with no high demand for hot water.

Again, many people appreciate its affordability. Its price beats those other water heaters within and above its performance range. Do you like using elegant appliances? Then, the sleek design featured in this unit is sure to interest you.

This unit can provide up to 2 gallons of hot water per minute. Apart from performance, water heater comes with a high-energy factor. As claimed by the manufacturer, this unit will help you save about 60% of your water heating bills.

Again, we appreciate its compact and lightweight nature. This electric tankless water heater weighs only 6.5 pounds and measures 9.5*4*12 inches. So, it’s very portable, and installation is a breeze.

We love the self-modulating tech of the EcoSmart ECO 11 Electric Tankless Heater. With this technology, it draws only the necessary energy to heat the water. What’s interesting, this unit adjusts its power output according to the demand for hot water.

Particularly relevant, this unit features an automated resettable thermostat. This feature makes it pretty easy to use. There is also a digital temperature control.console. The console is at the central point of this water heating system. Thus, you can adjust the temperature of the output water by 1-degree increments. This is until you suit your preferences.

The materials of this unit promote its durability as well as power efficiency. Some of the critical requirements for this tankless water heater include. A 60A source of energy with a dual pole breaker and a #6 copper gauge wire. You get these necessities at ease to start reaping incredible benefits from the use of this unit.

The Pros
  • This tankless water heater has a sleek fancy design.
  • Light in weight helping in installation and transport.
  • Using it is easy. It has a thermostat the user can reset which is automatic. The price is pocket friendly and worth the service the device will provide. Self-modulating technology to ensure proper use of energy.

The Cons

  • The specified power supply needed can be an extra mile during installation.

Finally, this unit comes with a lifetime manufacturer’s warranty for residential application. Thus, you should buy and use it with utmost confidence.

As a wrap-up, we would recommend this unit with confidence. It’s one of the premium-quality water heaters on the market. And has the capability to serve with no disappointment whatsoever. Its patented technology is a plus. It will save on your storage space thanks to its compact nature. This is a profitable product.

StiebelEltronTempra 24 Plus is a powerful electric tankless water heaters for large application. It’s an efficient 24KW heater that is sought after by most home and commercial property owners. This unit is ideal in areas where the supplied water is below 45F.

This unit has the power to provide about 5 gallons per minute. So, if you are seeking high hot water flow rates, this unit is for you. You can enjoy bathing in the Jacuzzi or Roman-style tubs.

This system provides a max power of 24kW when running on 240V and a min of 18kW on 208V. Also, it features a dual heating module and can raise the water temperature by 54F at 3GPM. The dial selector will let you set your preferred output water’s temperatures from 86 to 140F.

Even more, this unit comes with a proper microprocessor-controlled temperature regulation function. This guarantees you or the best performance. Also, the featured digital temperature display console allows ease of use. This is because of the easy scrutiny of the supplied water’s temperature.

This unit ranks among the few heaters with support for full power modulation. Again, it comes with the rare high-grade thermostatic temperature control. With these features, this heater will vary its power output to support changes in the water flow rate.

It also alters its power demand according to the variations in the incoming water’s temps. As a result, the heater provides consistent temperatures in the output water.

Particularly pertinent, this Heater System comes with the Exclusive Advanced Flow Control Technology. Thus, it manages to vary the water flow rate when its sensors detect an excessive demand for hot water. This capability is of utmost importance. This is especially to people in areas where there is occasional need for high hot water flow rates

This unit suits use with any kind of water including well, city, hard or soft water. Thus, the type of water supplied to your commercial property or home doesn’t matter as

Installing this unit anywhere is easy and straightforward thanks to its compact nature. Also, this heater system comes with an integrated cover for easy access. Protection of its delicate internal components as well as user safety.

The Pros
  • Three year warranty. This is a guarantee of satisfaction after purchasing this water heater.
  • Stress-free installation.
  • High hot water supply flow rate. It can supply five gallons in one minute. Works well with any type of water supply. Consistent hot water supply as the water heater has a an accurate detection system. The system varies the flow rate according to water demand.
  • Easy use. Setting preferred temperature is easy as it features an easy to use dial selector.
  • Steady temperatures of the water output.
  • Digital display helpful in checking the set temperatures and scrutiny in maintenance.

The Cons

  • Installing this tankless water heater system needs a specified power input system.

Also, this electric tankless water heater comes backed by three-year manufacturer’s warranty. So, you can now buy and use it with utmost confidence. Note that the warranty is applicable only when the unit you use a professionals to instal it.

We recommend the StiebelEltronTempra 24 Plus Electric Tankless Whole House Water Heater System. Enjoy using a water heating system with the most advanced. And precise temperature control on the market so far.

This unit ranks among the most popular tankless water heaters. It’s designed and engineered by the trusted Titan Company. It’s a water heating system that lives up to its promises. It comes with all you need to enjoy a consistent supply of hot water at a practical flow rate.

This unit can service small homes with up to 2 baths in the warm climatic regions. In colder areas, it will supply water to various application points that need a low flow rate. Judging from its size, this unit isn’t ideal for major commercial settings. It works well in climatic regions and serves utmost 2 bathrooms.

Also, this unit boasts a power output of 11.8kW at 220V. Its temperature control console allows you to adjust the water temperatures.

Even more, the space saving nature of this unit is quite impressive. What’s interesting, this unit only needs a .21 cubic feet space for installation. It’s also ultra-lightweight with a weight of only 9 pounds. So, installation takes minimal time. You won’t have to waste a lot of space in the quest to get an adequate supply of hot water.

You will need several tools to install this unit. These include a 54A power outlet, one dual pole 60A breaker, and a 6/2 wire line.

Electric SCR2 Titan N-120 Tankless Water Heater is a giant energy saver too. This unit will help you save up to 60% of your energy consumption. Its power efficiency is superior to that of the traditional electric water heaters.

You can be sure about the durability of this unit as it features a copper-brass inner casing. Its steel outer cover protects the delicate components from depreciation agents like water.

This water heating system will heat hard, well, soft, or city water with no problems whatsoever. This means, you don’t have to stress about the type of water supplied to your property. This feature makes it one of the most practical and versatile product in this category.

The Pros
  • This unit can supply hot water irrespective of the type of water. It works well even with hard water supply.
  • Reduced energy use. This unit lessens power use which is a big advantage on your bills.
  • This water heater occupies less space. It’s easy to install on a wall.
  • Simple installation. A user with a bit of technical skills can easy fix it up and make it run.
  • Light in weight. Offers a chance for installation by one person.
  • Real constant hot water supply to two bathrooms.

The Cons
  • The Electric SCR2 Titan N-120 is not powerful enough for large buildings. Especially those with high hot water demand.

There are various reasons why we recommend this unit with utmost confidence. First, it’s UL approved #499. Also, it’s ANSI-Z 10.03 certified. Again, it’s backed by a 10-year manufacturer’s warranty on the water-carrying components. Even more, the manufacturer covers any natural malfunction for 1 year.

Electric SCR2 Titan N-120 Tankless Water Heater suits replacing your conventional tank heater. It will come in without disrupting your hot water demands or comfort. It suits use in areas where the inherent water features temperatures of above 65 degrees F.

Among the trusted tankless water heater manufacturers is the StiebelEltron Company. Stiebel has several years of experience in this business. As such, they have superior quality tankless water heaters.

Most tankless water heaters are unable to support high demands for hot water. A standard tankless water heater can’t support a dishwasher and a showerhead.

Different from others, Stiebel Company has managed to deal with this issue in the best way. Its systems rank in the Tempra PLUS series. They can handle extreme demands for hot water well. With that allow us to introduce the StiebelEltronTempra 36 PlusTankless Electric Water Heater.

This is the largest model in the StiebelEltron Line of tankless water heater systems. It’s designed for use in the cold regions where the small water heating systems won’t work. It provides 27 kW when running on 208 V. Even more, it can offer up to 36 kW when running on 240 V.

This system can supply hot water enough for up to 4 different application points. This includes tub filling, an incredible performance for the small units. Stiebel Company has eliminated a huge challenge facing tankless water heaters.

This unit can raise the water temperatures by 92F at 1.5GPM, 55F at 4.5GPM, and 82F at 3GPM. Again, it has a safety guard function that ensures that water is not heated beyond 140F for your safety.

We also appreciate the fact that this unit is power efficient. It will reduce your hot water costs by up to 60%. StiebelEltronTempra 36 has a power control system that controls power usage. This ensures temperature stability and efficiency.

Worth mentioning, this unit utilizes no power while at rest. Also, it comes with a digital temperature display console. So, it will let you set your preferred water output temperature with ease.

A hinged cover integrates with this electric tankless water heater system. The cover allows for easy access while protecting you from any accidents in the best way.

Again, this system installs with ease. No pressure or venting relief valves are necessary for its smooth running. Again, its compact nature makes installation anywhere a breeze.

The Pros

  • This device makes a great cut on power consumption yet serves the purpose well. Thus, reduced energy bills. The user can adjust temperatures as per the needs.
  • It’s safe since it cannot heat water to temperatures above 140F.
  • Enough water supply to up to 4 application points.
  • Works well even in cold regions.
  • It has a hinged cover. This means, this tankless water heater has a design that caters for your safety while using it.
  • Easy installation.
  • Its small size helps save up on space.

The Cons

  • It takes an extra minute for hot water get to the tap. Requires the specified power supply to function.

We love this unit’s ability to work with all sorts of water including soft, city, hard, and well water. The StiebelEltron Company backs this unit with a 3-year warranty. This covers its design and all its parts. This shows that this company is confident with the quality of their products.

EcoSmart is a known tankless water heater manufacturer. This manufacturer has consistent production of high-grade water heating systems. As a result, its products are high performers on the market. There are solid reasons why we recommend the EcoSmart electric water heater systems.

Could be in dire need of hot water supply at high temperatures and flow rates? You should consider the Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater.

This system aims to support several hot water application points with no hassle. It comes with the ability to provide from 3 to 8 gallons of hot water per minute at your preferred temperature. Thus, it will let you enjoy an endless supply of hot water. So, you don’t have to install several heating units around your home or business premise.

Even more, this unit lets you choose an exact temperature for the supplied water. You won’t have to deal with an inaccurate temperature lever. Also, it can raise the temperature of the output water up to 150 degrees F.

The fact that this unit is self-modulating makes it power efficient. Hence, it will draw only the necessary power to heat your water. With this feature, you can be sure to avoid hefty power bills each month.

Also, in areas where the supplied water’s temperatures are below 40F, you can enjoy utilizing up to 4 GPM. As a result, you can run up to two taps at once. Again, for the winter climate, you get 6-8 gallons supply of hot water.

Its digital temperature control console lets you increase the temperature by 1 degree. With this unit, you can now set your preferred output water’s temperatures with ease.

Installing this unit is pretty easy. Bur, you’ll need specific tools and parts are mandatory for its successful installation. You will need an electrical box, eight copper wire, and 40A lines.

Ensure that you supply this system with 150A for the full operation. This means you will need eight wires. This includes four double-pole circuit breakers and four ground wires.

Avoid running this unit with one line as you will only get 9 kW heating power output instead of the promised 36kW.

The Pros
  • Easy installation procedure
  • Has digital temperature control. This eases the use of this device by anybody at home.
  • Exact temperature selection. The ECO 36 36kw 240V Electric Tankless Water Heater has a specific temperature set lever. So, you can choose the exact temperature you want
  • It can handle the required hot water supply needs with ease.
  • The gadget has efficient power usage
  • Guaranteed consistent hot water supply

The Cons

To make full use of this unit’s 36 kW capability you will need a specific 150A dedicated system.

This ECO 36 aims at offering excellent services with no disappointments whatsoever. The manufacturer promises to rectify any quality issues within the limited warranty period.

It’s more than disappointing to install a water heating system at your home that doesn’t last long. Currently, motst tankless water heaters brands are not durable. And there is a secret why. They use metallic heating elements that are susceptible to corrosion. As we all know, corrosion is an unavoidable for systems that work with water.

But with SioGreen IR14K220 Tankless Water Heater, we can all afford a smile. The SioGreen Company is able to tackle and corrosion and its effects in this water heater. So its durability is second to none out there. Let’s get to the details.

The SioGreen IR14K220 Infrared Electric Tankless Water Heater uses no metallic heating elements. Worth noting, the absence of metal in this unit ensures no hard water deposits accumulate. Also, no heating BTUs are available in the output water. Instead, this unit utilizes quartz elements. Quartz heating elements are abundant and recyclable heat source tubes.

Quartz heating tubes feature excellent stability and rapid thermal properties. As such, they can withstand heavy duty use without deteriorating. The infrared energy produced allows for excellent indirect heating of the water.

Even more, when it comes to performance, this unit performs as it promises. It produces 4 gallons in areas whose water has 77 degrees Fahrenheit. Also, it can produce 1.7 GPM where the inlet water comes with temperatures of 37 degrees F.

Furthermore, we appreciate the fact that the SioGreen IR14K220 is maintenance-free and self-cleaning. Hence, you can expect fewer bills and no chance of bacteria build-up in the supplied water.

This portable electric tankless water heater is ideal for home use. It’s able to offer a consistent supply of hot water to handle two showerheads in cool climates. Again, it can support three showerheads during the warm climates. Thus, it’s ideal for a town-home or large apartment with up to 3 dwellers.

The durability of this electric tankless water heater is also worth the praise. What’s interesting, it’s built to last more than ten years. So, with its application, you are bound to save on the replacement costs.

The Pros
  • First, it is durable since it does not corrode. SioGreen IR14K220 does not use metallic heating elements.
  • The SioGreen IR14K220 is power efficient. This will help in cutting down your power bill. It has high performance The SioGreen IR14K220 has a self-cleaning mode making its maintenance cheap and easy.
  • This portable electric tanklesswater heater is effective in getting the job done. As stated above it can supply hot water in your house well as per the climate. Owing to its small size it does not occupy a large space like the traditional water heaters.

The Cons

  • Installation needs a professional plumber to carry out the water pipe connection.

We recommend this mid-range tankless water heater. It has enough traits and features to suit application in your residential property. Without a doubt, you will appreciate its durability and performance.

This unit’s power makes it unsuitable for areas with very high demands for hot water supply. So, it is not the best for commercial or business premise(s). It’s worth buying for home use.

Conclusion

In conclusion, we hope that we have helped you pick the best electric tankless water heaters. The units we featured are a mix of price, type and also sizes. Also, the brands we featured are brands you can count on for quality and also durable products. So, shop with confidence!

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