Want a reliable and consistent source of hot water in your home? You will need to explore your water heater options. In this article you will find reviews for some of the best electric tankless water heater products available.
Our top choice is the Stiebel Eltron Tankless Heater, which features a digital display as well as numerous pre-set temperature options.
This water heater has an energy-efficient design to help you get the right temperature water while still saving money. Please take the time to look over all of the following products before making up your mind.
A Spotlight On Some of The Best Electric Tankless Water Heater 2026:
 | Stiebel Eltron Tempra 36 Plus Tankless Heater | ||
 | EcoSmart ECO 18 Electric Tankless Water Heater | ||
 | Rheem RTEX-24 Electric Tankless Water Heater | ||
 | Eemax EEM24018 Electric Tankless Water Heater | ||
 | ECOTOUCH Electric Tankless Water Heater |
Stiebel Eltron Tempra 36 Plus Tankless Heater
The Stiebel Eltron Tankless Heater will provide you with a reliable source of hot water whenever you need it. It features a modern heating element with an external copper layer for additional durability and enhanced performance.
You can turn this water heater on with a single switch without any excess noise. The impressive quiet operation of this appliance is just one of the reasons that it made our best electric tankless water heater list.
There are also a number of pre-set temperature options that you can select for complete comfort and convenience. This water heater is designed to provide you with substantial savings as well.
The built-in water flow monitors prevent waste, which in turn keeps your monthly utility bill down. In fact, this particular model uses up to 20% less energy than most traditional water heaters.
With the advanced design of this water heater, you can rely on it to automatically maintain your water temperature. This means that all of your showers will be hot with no inconsistencies or fluctuation.
We really like the digital display on the Tempra 36 Plus. It offers a bright and clear display that shows you the temperature and water flow rate at any given moment.
Measuring 4.63 by 16.63 by 14.5 inches, this electric tankless water heater has a compact design and is quite easy to install. It boasts an incredibly energy efficient design that is both environmentally-friendly and highly economical.
Pros:
- Bright digital display always shoes water temperature and flow rate
- Energy efficient design can help you save money each month
- Automatically control water temperature for consistent performance
- Compact design and easy to install for most people
- Offers multiple pre-set temperature options to choose from
Cons:
- A few complaints from customers about having to wait a bit for hot water
EcoSmart ECO 18 Electric Tankless Water Heater
The EcoSmart ECO 18 boasts an impressive and consistent water flow rate of 1.8 to 4.3 gallons per minute. You will receive a sizing guide that will help you choose the best settings to match your needs.
We were particularly impressed with the self-modulating design of this tankless water heater. It allows the appliance to only use just enough energy to bring your water to the right temperature as needed. This is remarkably effective at conserving energy, which saves you money on utilities.
With a power consumption of 18 kilowatts, you can trust that the ECO 18 will work efficiently without running up your monthly expenses. It also has a compact design that will allow you to find a place for it without any hassle. You can mount this appliance to your wall so it doesn’t take occupy any floor space.
This water heater is compatible with standard ¾” NPT water connections. It doesn’t take very long to install, so you won’t have to deal with any complicated setup process. It is configured to work for anyone who has an incoming water temp of at least 62 degrees Fahrenheit.
We also have to mention the fact that you will receive a lifetime warranty with this water heater. While it is made in China, this is definitely something to give you peace of mind.
When looking for the best electric tankless water heater, the ECO 18 has a lot to offer. It will give you a consistent and reliable way to enjoy hot water in your home day after day.
Pros:
- Versatile design allows for easy installation
- Designed for energy efficiency to keep utility bills down
- Wall mounted design means you can save floor space
- No long wait for hot water
- Water flow rate of up to 4.3 gallons per minute
Cons:
- LED lights flicker on and off while heater is active
Rheem RTEX-24 Electric Tankless Water Heater
The Rheem RTEX-24 delivers reliable hot water on demand when you need it. It has a simple design with a single dial for turning the appliance on and off. There is also a digital display that allows you to adjust the water temp quickly and easily. It allows for adjustments in one degree increments within 80 to 140 degrees Fahrenheit.
One of the great things about this electric appliance is that it automatically controls its own power. This means that it doesn’t run more than necessary, so your water bill will never be unnecessarily high.
With a maximum flow rate of 5.9 gallons per minute, you can count on a steady stream of hot water every single day. The ¾” NPT connections are standard and compatible with most existing configurations. You shouldn’t experience any issues with getting it installed and working properly.
You can expect a flow rate of about 4 GPM with a bath tub, while the average shower head is closer to 2 GPM. Dishwasher and kitchen sink both ranges from 1-2 GPM.
Another reason we really like this appliance and chose it for our best electric tankless water heater list is its durable construction. The copper heating elements are long lasting and incredibly efficient. They are also threaded to make replacements simple and near effortless.
Pros:
- Excellent water flow rate for shower heads, sinks, dishwasher, bathtub and more
- Easy-to-use digital thermostat allows for complete temperature control
- Very sturdy construction will hold up well over the long term
- Designed for maximum energy efficiency (and utility savings)
- Doesn’t take very long to install
- Components can be replaced and serviced without any hassle
Cons:
- Could deliver hot water a bit faster
Eemax EEM24018 Electric Tankless Water Heater
The Eemax EEM24018 offers an energy efficient design that provides hot water as needed. You can always rely on it to provide you with a consistent temperature for your shower, bath, and tap water at home.
This tankless water heater adjusts the amount of energy to meet your needs without ever using too much. You will therefore save a good amount of money on your utility bill from month to month. This gives you significant savings over the short and long term.
You’ll have a digital control panel that allows for temperature adjustments within a range of 80 to 140 degrees Fahrenheit. It can be set in one degree increments for precise adjustments to get the water exactly how you want. Just turn the dial on the front of the appliance to set the temperature.
Measuring 17 by 14 by 3.75 inches, this Eemax electric tankless water heater is very compact, even compared to other models. You will have no problems with finding an appropriate place for it in your home.
One of the most impressive things about this appliance is that it can provide hot water for a shower and two sinks in colder regions. If you live in a warmer area, you will get enough hot water for four showers at the same time.
Pros:
- Works extremely well even for those who live in colder climates
- Allows for precise temperature measurements with digital display
- Easy no-hassle installation right out of the box
- Compact space-saving design is incredibly convenient
- Durable stainless steel construction resists scratches and rust
Cons:
- Minor adjustment to water flow may be needed to get ideal temperature
ECOTOUCH Electric Tankless Water Heater
The ECHOTOUCH Electric Tankless Water Heater generates water up to 116 degrees Fahrenheit quickly and consistently. You’ll no longer have to deal with preheating or waiting a long time to get free flowing water at the right temperature.
This water heater’s power is automatically adjusted according to the flow rate as well as the current set temperature. It offers impressive energy savings that you can count on with each use.
A digital display always lets you know the current temperature, and the touch controls let you set it without any hassle. It has a simple design with up and down arrows for increasing or decreasing the water temperature.
You can trust that this tankless water heater is absolutely safe, as each component is put through numerous rigorous tests. The ETL stamp of approval further ensures safety that you can always rely on.
Measuring 11 by 7.5 by 2.35 inches, the ECOTOUCH electric water heater is compact and designed to save space. You can easily mount it in a variety of positions for maximum convenience. This makes it a great choice for individuals, businesses, and municipal buildings.
We also really like that this model is designed to prevent leaks, so you won’t have to deal with them in the first place. The electrical and water lines are purposely kept apart from each other as a further safety precaution.
The simple yet sophisticated design of this appliance makes it one of the best electric tankless water heat options on the internet. It will give you consistently hot water without any leaking, waiting, or safety issues.
Pros:
- Anti-scalding design prevents water from getting too hot
- Easy and versatile installation offers maximum convenience
- Simple touch controls for precise temperature adjustments
- Sturdy aluminum and brass housing is extremely wear-resistant
- Automatically adjusts power to keep energy consumption to a minimum
Cons:
- Some reports from customers about significant drop in water pressure
Best Electric Tankless Water Heater Buying Guide
As you look into the best electric tankless water heater options online, you’ll need to consider some important criteria. We have compiled a list of crucial features to keep in mind when evaluating these products.
Display and Controls
A majority of the best electric tankless water heater models offer a digital display as well as temperature controls. You should be able to clearly see the current water temperature on a bright display.
It’s also important that you can adjust the temperature of your water quickly and easily. There are lots of models that have simple up and down arrows for increasing or decreasing the water temp.
Most of these water heaters will allow you to make adjustments to the temperature in 1 degree Fahrenheit increments. This will let you get the perfect temperature for truly enjoyable baths and/or showers.
Some of these water heaters also feature multiple buttons that allow you to activate pre-set temperatures. This is a small but very useful convenience that you should think about when reviewing your options.
Flow Rates
Before you decide on the best electric tankless water heater for your home, you’ll want to check out each one’s water flow rates. The flow rate, which is expressed as GPM or gallons-per-minute, will vary depending on the source.
You will therefore get a different flow rate from your shower head than with your bathtub. Take the time to get this information for each model you look into. We also suggest finding out what the maximum flow rate is.
If you live in an apartment, you’ll probably want a water heater that offers a 3 GPM flow rate. Small houses that are around 1,000 square feet demand a slightly higher flow rate of 4 GPM.
Your Location
The area of the country you live in is something else to consider when browsing through the best electric tankless water heater products. This is because the water inlet temperature varies according to climate.
If you are in a warmer region, you can expect better performance than if you lived in a colder climate. The efficiency and overall performance of these appliances depends largely on the climate they are used in.
Energy Efficiency
You will quickly find that the very best electric tankless water heater models have a very energy efficient design. If you want to save as much money as possible on your utilities, it is important to look into this.
The water heater you end up buying should be designed to only use as much power as is needed to achieve your desired water temp.
This can go a long way towards helping you get your needs met while not paying more than necessary with your monthly water bill.
If you take the time to find the right water heater, you could end up saving up to 20% compared to a lot of traditional models. This could translate into hundreds or even thousands of dollars in savings on your utilities over time.
We recommend looking for electric tankless water heaters that are Energy Star certified. This is a strong indication that the appliance is very energy efficient as well as eco-friendly.
Safety Features
Make sure that the electric tankless water heaters you consider buying offer numerous safety features. This should include over-temperature protection so you’ll never be accidentally scalded.
The water and electrical lines in your new water heater should be apart from each other at all times. This will greatly reduce the chances of disastrous and potentially dangerous results.
Size and Installation
You also don’t want to forget to look at the overall size of each tankless water heater. There is no question that the best electric tankless water heater models are compact and easy to install.
Look for models that can be installed in a variety of ways, such as vertically and horizontally. This will give you more options for installation, which can be very convenient and helpful.
Before you decide on a particular water heater, make certain that it is compatible with your existing configuration. This could end up saving you a lot of time and aggravation.
Warranty
It shouldn’t take long for you to realize that the best electric tankless water heater products come with a fairly long warranty.
You’ll definitely want to look at the warranty period and what is covered for each of these appliances. This can help you save a lot of money, so it is worth looking at.
Noise Level
Many people who are looking for the best electric tankless water heater forget to look into just how noisy each one is. You can get a pretty good idea about this by simply looking at customer reviews.
While you can expect all tankless water heaters to make at least some noise, it varies depending on the model. If you are going to install yours inside your home, this is definitely something to consider.
Conclusion
Before you can select the best electric tankless water heater, we recommend looking at each one’s design very closely. It is important to consider the safety features, maximum temperature, and energy efficiency of each model.
Let us know what you think of our list by leaving a comment below.
