Modern times require modern solutions, and that is exactly why you need an electric tankless water heater. These tanks are making their mark in the industry and for all the right reasons.
They instantly heat water and come with a sleek design for easier installation. But more on that later.
Below is everything that you need to get your hands onto the best model. Invest wisely and make your life comfortable and convenient.
At a Glance: Our Top Picks for Electric Tankless Water Heaters
- OUR TOP PICK: EcoSmart ECO 27 Electric Tankless Water Heater
- Stiebel Eltron 224199 Electric Water Heater
- BEST BUDGET OPTION: Ecosmart ECO MINI Electric Tank Water Heater
Comparison Chart of the Best Electric Tankless Water Heaters
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How Do I Choose an Electric Tankless Water Heater?
You already have a brief idea of what an electric tankless heater is and why it’s so important to keep one in the house. Now let us see some of the best features that you need to look out for when buying a tankless heater for your home or your office.
Easy and Flexible Installation
This is important because it is the first step to ensure convenience and comfort for you. You need to find a model that comes with an easy guide and flexible spot options for easy plugging in of the system.
Digital Control
The purpose of the heater being tankless is to bring more ease to you, and hence that purpose is further aided by a digital control system. This will not only allow you to set the exact temperature of the water you require, but it will also ensure that unnecessary electricity is not consumed by the heater when you are on vacation or outside of your home for too long.
Energy Efficiency
In this modern world, nearly everyone is looking for safer and better options to save energy and cost. Thus investing in the right product will ensure that maximum energy efficiency is achieved. Moreover, it will also allow you to save on your costs as the bill will be significantly reduced by the presence of an energy-efficient product.
Disease Protection
Safety should also be a top priority when it comes to tankless heaters. Investing in a good quality product from our list will help you get rid of any harmful material or bacteria that might reside inside a tank heater.
Review of the Best Electric Tankless Water Heaters
If you have read the above sections properly, chances are you are already convinced that you need a good electric tankless heater, but what exactly is a good model? Here is a list of the top-of-the-line products on the market. Read all about them and choose the one that fits your needs.
Best Overall
EcoSmart ECO 27 Electric Tankless Water Heater
Specifications
Max Water Flow (GPM): 6.5
Energy Factor (EF): N/A
Dimensions: 17.0 (diameter) x 17.0
Water Temp Range: N/A
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What Recent Buyers Report
It’s hard to fulfill the expectations of recent buyers, but this tankless heater has done it with ease. The model comes with a good activation flow and an easy installation process. Moreover, it is also praised for bringing a nonstop flow of hot water at all times. It also enables you to control the temperature of the water via its digital water controller.
Why it Stands Out to Us
The best thing about this model is its self-modulating advanced technology. This is a relatively new technology that is quite rare in most tankless heaters. It allows the product to adjust the amount of energy required and thus carefully heats the water to the required temperature. In doing so, the model is able to reduce heat and energy consumption by 50%.
Who Will Use This Most
The product comes with a sleek and compact design, thus making it perfect for people with relatively smaller spaces. Unlike other traditional heaters, it does not require a lot of space for mounting. It helps free up the additional floor space by providing an easy fitting and installation of its lightweight design.
Bottom Line
If sized correctly, this tankless heater will ensure the best possible results for you. It not only has a compact and lightweight design, but it also comes with easy access. Moreover, the installation is quite convenient and doesn’t require professional assistance. In case of any breakage or problem, which is quite rare, you will find replaceable items easily.
Pros
Comes with a digital water control
Allows for easy replacement when needed
Ensures an endless supply of hot water at all times
Smooth construction adds to durability and efficiency
Compact shape helps save storage space in the house
Cons
Can be overloaded in very large homes
Relatively expensive than some other models
Does not come with a remote temperature control
Runner-up
Stiebel Eltron 224199 Electric Water Heater
Specifications
Max Water Flow (GPM): N/A
Energy Factor (EF): N/A
Dimensions: 20.1 (diameter) x H9.6
Water Temp Range: N/A
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What Recent Buyers Report
The product has garnered huge praise from recent buyers and fans alike, for all the right reasons. The Steibel tankless heater comes with a fully digital controller that only requires 240V to run. Not just that, the product doesn’t require any venting, thus making it easy to install, maintain, and manage.
Why it Stands Out to Us
The best thing about this product is its sleek design and the presence of a fully digital controller. This means that your model will not allow you to choose the exact temperature that you want. The controller is extremely easy to operate, thus making it reliable to be used by you and your whole family. Moreover, the product saves on your bill, which is also another reason it stands out to us.
Who Will Use This Most
The product is made for people who like to take their baths in complete silence and without worrying about outside components. It comes with an advanced technology that enables a completely silent operation for a comfortable bath. Moreover, its sleek design saves on storage space, thus making it an easy fit for smaller homes.
Bottom Line
Steibel has worked tirelessly for more than 90 years to bring its customers a set of reliable products that ensure more comfort and convenience. This tankless heater sticks to the same standards and provides greater efficiency and reliability to all its customers. The shower stays hot at all times, meaning that you will get consistent results with this heater at all times.
Pros
Saves more than 15% on your bills
Has a sleek design for easy storage
Does not require any sort of venting
Ensures a completely silent operation
The shower always stays hot for more comfort
Cons
Requires a professional to install it
Installation costs are often very high
Relatively heavier than some other models
Best for the Money
Ecosmart ECO MINI Electric Tank Water Heater
Specifications
Max Water Flow (GPM): N/A
Energy Factor (EF): N/A
Dimensions: 11.0 (diameter) x 11.0
Water Temp Range: N/A
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What Recent Buyers Report
Recent buyers who care about their energy consumption are very pleased with the performance of this superior model. The Eco-Smart enables all its users to use less energy and thus save on cost, but that in no way means that it doesn’t ensure hot water consistently. The good and reliable manufacturing of the product produces constant hot water at all times.
Why it Stands Out to Us
The product stands out to us because of its higher warranty, but that’s not the only reason why it’s considered one of the best products on the market. It saves more than 99% of your energy, thus ensuring that both your money and your energy consumption is reduced. Therefore, with this model, you can not only save on the cost but also play your part towards less global warming.
Who Will Use This Most
While designing their homes, people often care a great deal about appearances. They want each inch of their houses to reflect grandeur and beauty, and this is exactly where this model comes in handy. It has a smooth and stylish design that appeals to the eyes and thus matches the interior of your house. Moreover, its lower cost makes it affordable for many people.
Bottom Line
The model is relatively hard to install, but once you get that out of the way, it’s all amazing with this amazing tankless heater. The Eco-Smart comes with all the perfect features of a heater in a small compact design that saves on storage space. Moreover, it is made with strong manufacturing materials that add to its durability and reliability.
Pros
Good and reliable manufacturing
Higher warranty thus lasts longer
Sleek design is appealing to the eyes
Does not require installation of any recirculating lines
High energy efficiency helps save 99.8% of extra energy used
Cons
Not very easy to install
Can overload an existing circuit
Model does not come with any suitable guidance or instructions
Best Eemax Electric Tankless Water Heater
Eemax HA011240
Specifications
Max Water Flow (GPM): N/A
Energy Factor (EF): N/A
Dimensions: 14.0 (diameter) x H4.5
Water Temp Range: N/A
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What Recent Buyers Report
When recent buyers are getting hot, comfortable water instantly, why would they complain? The Eemax electric tankless water heater is received with a lot of love because they ensure safety with convenience. They contain all the components of high manufacturing that can be easily replaced if a situation arises. Moreover, they come with easy installation, thus adding to its appeal.
Why it Stands Out to Us
The best thing about the product is the added safety that it ensures. In this modern world, people are getting more and more aware of the growing health concerns. Most people shift from traditional to electrical tanks because they offer better safety. This model eliminates any bacterial growth and thus keeps the inside of the machine secure and safe for usage.
Who Will Use This Most
For people looking for more durable options, this is definitely the right product. The construction of the product is one of its strongest features. The copper heating elements have been used with brass termination in the making of this product. This will allow better durability for people who want longevity in their products.
Bottom Line
Safety, comfort, and higher reliability come together in the making of this amazing tankless water heater. The product has a high-temperature adjustment range, which makes it a favorite among consumers. It also allows for easy installation, thanks to its sleek and efficient design. That’s not all; the Eemax unit will also help keep you and your family secure from the harm of any sedimentation or bacterial infection.
Pros
No need of any additional storage capacity
The unit can be mounted directly on the wall
Does not allow any legionella bacteria growth
Does not require any soldering during the installation process
All components of the model are replaceable in case of breakage
Cons
Slightly heavier than some models
Not very efficient in terms of money
Range of operating temperature is relatively lower than some other models
Best Marey Electric Tankless Water Heater
Marey Power Pak Plus
Specifications
Max Water Flow (GPM): 1.0
Energy Factor (EF): N/A
Dimensions: 11.1 (diameter) x 4.8
Water Temp Range: N/A
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What Recent Buyers Report
Recent buyers are happy with the performance of the product because it allows them to regulate energy consumption, thus adapting the product to the electrical capacity of their home. But that’s not all. The product is also considered reliable as it requires very low pressure for the activation process. Moreover, it saves energy and money, thus appealing to consumers more.
Why it Stands Out to Us
The best thing about this model is its distinct ability to be wired at a range of different amperes. This includes 10, 20, 30, and 40 Amperes. This feature is not found in any of the other models on the market and hence makes it stand out. By wiring the product to different units, you can easily limit the power setting that you want to use for the heater.
Who Will Use This Most
The product is best for people who are looking for compact and lightweight units to install in their homes or offices. It is also ideal for a one or 2 bedroom house in a tropical or semi-tropical climate. Moreover, where temperatures are very low, this heater would be better suited to be used for a single purpose only. This will not only ensure optimum performance but will also allow you to get consistently hot water at all times.
Bottom Line
Marey has proudly been in the industry for the last 7 to 8 decades, but that’s not the only reason for its popularity. It has brought forth innovative products with better features like greater mounting diversity and wiring options. Moreover, it comes in a sleek design for more convenience.
Pros
Installation is very easy
Easy to manage and adjust
Saves on both money and energy
Only requires very low pressure of water for activation
Does not allow sediments to grow on the water heating
Cons
Less max input temperature level
Might lead to overloading of the circuit
Requires greater voltage to run than some other models
Best Bosch Electric Tankless Water Heater
Bosch Electric Tankless Water Heater 17.3 kW
Specifications
Max Water Flow (GPM): N/A
Energy Factor (EF): N/A
Dimensions: 4.5 (diameter) x 12.5
Water Temp Range: N/A
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What Recent Buyers Report
Recent buyers have written extremely positive reviews for this product, and owing to its huge popularity is its higher energy-efficient technology and easy installation feature. The Bosch can last for more than 12 years and hence considered to be one of the most reliable products on the market. Not just that, if properly maintained, it can also generate a life expectancy of 20+ years.
Why it Stands Out to Us
The best thing about this heater is definitely its ability to be consistent in its results. With this model, you won’t have to worry about getting varying levels of water temperature across different appliances. The superior technology of the product allows you to get the same consistent temperatures on more than 3 appliances, at the same time.
Who Will Use This Most
The model comes with a functional flow sensor that detects the temperature of water required, thus giving you consistent output temperatures at all times. This feature makes the model a perfect fit for small and medium-sized families who use more than one water appliance at the same time. Moreover, its element modulation technology also adds to the stability and provides you with higher control.
Bottom Line
This product has certainly been a game-changer in the industry. It is a product loved and respected by nearly everyone who has bought it. It comes with an easy-to-use knob that allows you to control the temperature of the water. Not just this, it also allows for a relatively lower stand by loss, thus ensuring that you save on energy.
Pros
Comes with a relatively lower stand by loss
Has a built-in flow sensor for consistent results
Comes with a control knob that is fitted externally
Suitable for both residential and commercial purposes
Allows for easy installation and can be installed anywhere
Cons
Not cost-efficient
Heavier than most models on the market
Difficult to replace parts in case of breakage
What Size of Electric Tankless Water Heater Do I Need?
Buying the right size of a tankless heater is paramount to achieving all the other benefits of the product. Here is how you can ensure that you are getting the right size of an electrical heater for your home.
Firstly, you need to identify the peak demand flow rate of your house. This indicates the time period or the time range where your family uses most of the hot water. Most families in the world use hot water in the morning for showers, cleaning, and cooking. After this, you will have to look for the GPM of each water appliance that you use. Add them all up to calculate the right amount.
The next step is to calculate the estimated temperature rise of the water. You can do this by simply subtracting the groundwater temperature from the output temperature. This is simple math and can be easily done on a calculator. If your groundwater is 60 degrees, and the output temperature needs to be 100, then your temperature rise would be 40 degrees.
Lastly, you need to look out for the tankless heater size that fits your criteria, and you are good to go. These measurements are frequently advertised so you won’t have a hard time selecting the right sized water heater.
Pros and Cons of Electric Tankless Water Heaters
With any product, you can expect a fairly equal number of pros and cons, but the case is slightly different when it comes to tankless heaters. They come with a fairly large number of pros and very few cons. Let’s look at them all.
Pros
An electric tankless water heater comes with the following benefits:
Consistency
With electrical products, you expect greater consistency, and that is exactly what the product ensures. All these products in this review will ensure you get a consistent supply of hot water at all times.
Energy Efficiency
The product does not produce any greenhouse gas, thus making it environment-friendly. Moreover, it is also considered energy efficient as it usually saves more than 60% of the energy otherwise consumed by a tank water heater.
Easy Installation
Effective and quick installation is the first step to convenience, and that is exactly what these products ensure. Tankless heaters do not require any venting or difficult procedural installation, thus making it easier to install them.
Longer Lifespan
Traditional tanks that are normally used do not last very long; they either get damaged by external factors or are contaminated by bacteria. Electric heaters are free from all these issues and can last for up to 20 years.
Cons
The downsides of tankless water heaters are few, but include:
Higher Cost
This is an issue that many people face as the installation, as well as maintenance of these tankless heaters, is costly. The initial cost isn’t too low, either, thus acting as a deterrent for many people buying them.
Lowered Water Flow
Natural gas heaters have a greater water flow because they have more power than electric heaters; thus, many people don’t like investing in these.
How to Install an Electric Tankless Water Heater
Installation is often not very hard when it comes to electric tankless heaters. You simply have to follow some easy steps, and you are good to go. Here is a list of what you have to do. You need to identify the main power panel or the application fixture near which the tankless heater needs to be installed; if you intend to install the product inside, then it better be near a power source.
- The distance between the heater and the tap also affects the time taken for hot water to come in, so ensure that the distance is not too great for frequently used taps.
- A long wait line will add to your electricity bill, so make sure you pick the right spot for the installation. The lesser the distance, the quicker the hot water flow will be.
- You will require more wiring and faucets if you install the product very far from the taps. This will obviously add to the additional cost.
- Install it vertically on the wall and keep the buttons on the bottom.
- Remove the front cover carefully and disconnect the white material attaching the panel to the button inside.
- Connect the power supply at the lower end side of the unit.
- Tighten the screws for added safety.
- Connect the two knobs at the bottom with a suitable hose.
- Switch the breaker connections once the installation is done.
- Add the front cover back on.
Make sure to refer to the video below for a full overview of what was just described to be clear on the installation.
Conclusion
Tankless water heaters are the new thing, and people love them. So if you want to free yourself from the hassle of waiting for consistently hot water each time you open the tap, then get yourself a good tankless electric heater. It will not only be light on your pockets but will also give you additional features like more safety, reliability, and energy efficiency.
People Also Ask
This review explains almost everything that you need to make an informed decision. However, to better aid our purpose of helping you out, we have tried to respond to the most frequent questions asked by recent buyers right here.
Contrary to what a lot of people think, electric heaters, especially tankless ones, do not require any sort of venting. They do require a lot of electricity, but that’s about it. The no-venting feature makes it easy to install and mount. And although they don’t require venting, they still need a small amount of space around their unit to function properly.
Anyone can hook the heater up by mounting it and installing it inside the unit. You can do this by reading the instructions written above. The best thing about these heaters is that they can heat water without needing any storage tank. When you turn on the tap water, cold water will travel through the pipe in the unit and will get warmed. This will allow a constant supply of hot water.
That’s a question whose answer will vary depending upon how carefully you use the appliance. Most tankless heaters come with a life expectancy of around 20 years. They also come with replaceable parts that further increase their life expectancies. If not properly cared for, your tankless heater can wither away within 10-15 years too.
The biggest drawback to getting yourself a tankless electric heater is the additional electricity it requires for running. Nearly all models require at least 120 A of electricity to operate. If you require a bigger heater, then you will have to invest more in the model. The upgraded model will obviously require amperes up to 200.
For an ordinary tankless heater, you will have to buy a breaker of 40-50 ampere for each of its wires. Each wire will be able to supply only one element. Hence if you have 3 elements, you will require a breaker 120 amperes at least.
