11 Best Electric Tankless Water Heaters Of 2023: Reviews

你可以携带你的热水器anywhere may seem wild, but the best tankless water heaters are designed to be easily portable. They are compact and quick to heat, and you can carry them on trips and enjoy a hot, refreshing shower anywhere, any time.

A tankless water heater is easy on the pocket and much more energy-efficient than traditional heaters, thus making them an excellent option to have during the winters. Keep scrolling as we have listed the top tankless water heaters that are worth every penny and give you a few tips on choosing the perfect one.

In This Article

11 Best Tankless Water Heater

1.Best Durable:Ecosmart ECO 18 Electric Tankless Water Heater

Price at the time of publication: $429.74

The Ecosmart electric tankless water heater will never let you run out ofhot waterwhen used correctly. It has a stylish appearance and does not take up much space, and can be mounted on the wall. The unit weighs 14 pounds and measures 3.63x14x17 inches. Compared to traditional tanks, it is 90% smaller and has highly advanced self-modulating technology.It uses energy to heat the water only when needed, and thus can save time and 50% of the hot water bill. If you want to find out more about this product and its usage, make sure to check outthis review on YouTube.

Pros

  • Field replaceable elements
  • Lifetime warranty for residential use
  • Simple operation
  • Highly durable

Cons

  • May not have remote temperature control

2.Best Anti-Freezing Protection:Camplux Tankless Water Heater

Price at the time of publication: $269.99

The Camplux tankless water heater has an oxygen-depletion sensor protection function and energy-saving technology, making it suitable for use in a well-ventilated room.It has a compact structure and a foldable handle, so it can be used outdoors too.

The maximum power output is 28,000 Btu/hour, the propane gas pressure is 0.4psi, and offers an output of 1.32 gallons/minute of hot water. The device weighs 14.08lb and measures 11.42×4.33×14.8 inches. If you need further convincing, check thisYouTuber’s reviewout.

Pros

  • Anti-freezing protection
  • Energy saving
  • Easy to use
  • Simple installation
  • Approved by CSA

Cons

  • May overheat, causing a fire
protip_icon Point to consider
On average, most gas-fueled tankless water heaters generate higher hot water flow rates than their electric counterparts (1).

3.Best Easy-To-Install:Rinnai Tankless Water Heater (Rinnani or Rinnai?)

Why It's Worth Buying:More than 362 buyers on Amazon have said the product lives up to the hype.
Price at the time of publication: $757.48

The Rinnai tankless water heater with ThermaCirc360 technology recirculates water through your pipeline to quickly deliver hot water.The heater is designed to optimize energy usage and conserve water, playing a significant role in the sustainable reliability mechanism. The average service life of Rinnai tankless water heater is 20 years. It weighs 45.6 pounds, and the overall dimensions are 14.04×9.27×26.9 inches. Check out the review of this product onYouTubeto know why it is one of the best out there.

Pros

Cons

  • May require a venting system

4.Best For Silent Operation:Stiebel Eltron Tankless Water Heater

4.5
Why It's Worth Buying:Over 1,390 satisfied customers have left positive reviews about the product on Amazon.
Price at the time of publication: $698

Stiebel Eltron tankless electric waterheaterhas advanced flow control German patented technology, preventing water temperature fluctuations and bringing endless comfort. Compared to traditional water heaters, it saves up to 20% of electricity.它也有一个数字显示提供一个射门角度te temperature reading and is known for its highest standards and reliability.

Pros

  • Small and compact
  • Silent operation
  • Easy to install
  • Endless hot water

Cons

  • May not have an installation kit

5.Best Energy Efficient:Ecotouch Electric Tankless Water Heater

在刚出版的时候价格:79.94美元

The Ecotouch tankless electric water heater has a self-adjusting control function, which can maintain a stable temperature outlet, ensuring the best energy efficiency of about 98%. The electric heater also has a digital display and touch control panel to make temperature setting easy.

You don’t need to wait for the water to heat because it can continuously provide hot water of 110°F or higher within a few seconds.For safety, the internal water line and electricity line have been kept separate, thus preventing leakage or accumulation risk.

Pros

  • Easy to install
  • Simple operation
  • Over high temp protection
  • Electric leakage protection

Cons

  • Connection quality not up to the mark
protip_icon Quick tip
In general, most tankless water heaters generate about two to five gallons of hot water per minute (1).

6.Best Self-Modulation Technology:Rheem Tankless Water Heater

Why It's Worth Buying:The 1,118 positive customer reviews on Amazon are a testament to its quality and reliability.
Price at the time of publication: $442.39

Rheem tankless water heaters have an eternal digital thermostatic control with an LED display. This water heating unit also offers self-modulation technology to align hot water requirements with power output. The flow rate is around 4.4GPM to deliver hot water round the clock. The unit weighs 14.8lb, and the dimensions of this device are 18.25×3.5×14.5 inches.

Pros

  • Silent operation
  • Easy to install
  • Digital temperature display
  • Replacement model

Cons

  • May not be energy efficient

7.Best Compact:Marey Tankless Water Heater

Price at the time of publication: $359.0

Do you experience frequent power outages in your area? The Marey tankless water heater is the right choice because it works on propane gas and not electricity. Just adjust the size according to your requirements, and you will never run out of hot water. Also known as an on-demand water heater, it can save up to 87% of energy and save electricity bills. The Marey water heater weighs 21lb and measures 6.9×13.6×23.6 inches. It can work on a 2D battery, and you can start the device with power ignition.

Pros

  • Simple installation
  • Five years warranty
  • Hardware included
  • Compact saves space

Cons

  • May not have vent pipes

8.Best Overheating Protection:Gasland Tankless Water Heater

Price at the time of publication: $149.99

The Gasland tankless water heater weighs 14.65 pounds and measures 11.8×6.1×17.3 inches. It is small in size, easy to carry on vacations, and can save up to 11.5% of energy. The device has passed the CSA certification and has an anti-freeze protection drain plug that can drain the remaining water to prevent freezing when not in use or cold areas.

Protection from overheating at temperatures exceeding 167°F can ensure home safety. It is ideal for outdoor use, but you can use it indoors if you install a ventilation duct or a flue pipe.

Pros

  • Easy installation
  • Excellent customer service
  • Compact and lightweight
  • Battery-powered
  • Easy to use

Cons

  • May not be suitable for high altitude areas above 3300ft
protip_icon Quick tip
If many water fixtures are used simultaneously at home, such as the dishwasher and shower, it’s better to install more than one tankless water heater to maintain a decent water flow rate in each tap (1).

9.Best Easy-To-Program:Eemax Electric Tankless Water Heater

Price at the time of publication: $206.79

The Eemax electric tankless water heater can provide hot water quickly and continuously. It is equipped with advanced self-adjusting technology, indicating that the device can automatically adjust the required energy according to the hot water demand.

Make sure you purchase the size according to the hot water requirements and check it carefully before installation. The device weighs 8.08lb pounds and measures 11.5x 8×3.75 inches. The compact size of the heating device saves on storage space.

Pros

  • Simple installation
  • Easy to program
  • Five years warranty for leaks and one year for parts
  • Great energy saver

Cons

  • Suitable for sink and not shower

10.Best Safety Functions:Biselong Electric Tankless Heater

Price at the time of publication: $85.98

This electric tankless hot water heater is specially designed for bathing as it can maintain a constant water temperature. It has an in-built smart chip that calculates the required power base for the water flow without disturbing the water temperature, thus saving energy and your bill. You can use this hot water heater for the kitchen, bathrooms, school, hospital, and hair salon. Digital display allows you to see the water temperature, and the touch control panel enables easy adjustment of temperature. It measures 7.4×2.5×11.8 inches and weighs 5.13 lbs.

Pros

  • Compact design
  • Energy saving
  • Multiple safety functions
  • Instant heating
  • 360 degrees installation
  • 1-year warranty

Cons

  • Ineffective temperature control

11.Best State-Of-The-Art Technology:Rinkmo Electric Tankless Water Heater

Price at the time of publication: $142.65

The Rinkmo electric tankless water heater is extremely safe because the hot water and the electric hose are separated to prevent rust and explosion. Using the Rinkmo heater, you can save on power bills. It also supports LED alarm, which reflects as LL or HH, when the inlet water temperature is lower than 37°F or higher than 167°F.

Silicone wire ensures heat resistance and durability. The machine weighs 11.2l pounds and measures 18x14x3.7 inches.

Pros

  • Saves maintenance cost
  • Saves energy
  • Compact design
  • State-of-the-art technology
  • Continuous supply of hot water

Cons

  • May not be suitable for showers

How To Choose The Right Tankless Water Heaters?

Here are some factors that you should consider before buying a tankless water heater.

  1. Flow rate: It depends on your hot water requirement and household size. Some heaters have multiple water outlets, while others provide only one tap. You can figure out the number of pipes that require access to hot running water to estimate the flow rate.
  2. Power source: Gas-powered tankless water heaters heat water faster but may not be as convenient to carry as electric equipment. Gas requires a lot of space and proper installation of vents, so it is suitable for large houses. Regular post-installation maintenance is also essential. On the other hand, electric tankless water heaters are energy-efficient and provide lesser flow rates. They are stylish and require little space. The maintenance cost also is relatively less.
  3. User friendly: Always buy a tankless water heater that is easy to use. Modern technology used in these heaters ensures ease of operation. Digital displays, auto adjustment mechanisms, and other functions are always selling points.

Why Trust MomJunction?

We have compiled this list of the best electric tankless water heaters after considering their quality, safety, and features. These tankless water heaters are easy to use, portable, and heat up faster. Several users on various e-commerce sites have also endorsed them. We have included a buying guide and explained the pros and cons of each product to help you make the right decision based on your requirements.

Frequently Asked Questions

1. Can a tankless water heater work for a whole house?

A whole-house tankless water heater or centralized water heater can supply hot water to many fixtures and appliances, including showers, faucets, garage taps, dishwashers, and washing machines.

2. How do I know what size electric water heater I need?

The size of the tankless water heater required is calculated keeping in mind the flow rate — how many fixtures or appliances need a hot water supply and how much — and the temperature required to be raised by the heater.

3. How does a tankless water heater work?

Once the tankless water heater is installed at a fixed place, you can connect it to your desired fixtures and appliances that require hot water using hot water lines. These heaters run on electricity or gas, with the former being more cost-efficient and compact.

4. How do I flush a tankless water heater?

You should cut off the power and water supplies to and from the heater and rinse the inner parts of the heater with vinegar for 45 minutes using a pump, garden hose, or bucket. The procedure, which takes about an hour, helps remove sediments from the heater.

5. Do tankless water heaters need a vent?

Tankless water heaters need an exhaust vent to remove the hot air they generate.

With an electric tankless water heater, you can get access to hot water on the go. These nifty devices are compact, portable, and save more energy than traditional water heaters. You can also choose from several options that are different in size, performance, and style. However, before choosing the best tankless water heater, assess your water requirement and household size and choose one with a reasonable flow rate. Besides this, ensure it is user-friendly with features such as an easy-to-read digital display and auto adjustments.

Infographic: Features To Check In An Electric Tankless Water Heater

A water heater is an essential home appliance for hot water for household activities, especially during winter. An electric tankless water heater is a good option if you have less space and also do not wish to store the hot water. Explore the infographic below to learn other features of a good tankless heater.

What Features Should A Good Electric Tankless Water Heater Have (infographic)

Illustration: Momjunction Design Team

Get high-quality PDF version by clicking below.

Download Infographic in PDF version Download Infographic
Download Infographic in PDF version


References:

MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in oureditorial policy.

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