10 Best Tankless Water Heater in Reviews

The popularity of tankless water heaters has been increasing rapidly. As a matter of fact, the market is brimming with different types of tankless water heaters. For most homeowners, this will impose a hard time when trying to identify the best heater for them. Well, in these reviews, we have scoured the market and come with a detailed compilation of the best tankless water heaters. We have also listed some of the key considerations to make when shopping for these products. This is, therefore, an all-in-one compilation which is aimed at helping you. Read through the reviews to get adequate knowledge about these heaters.

Top 10 Best Tankless Water Heater in Reviews

10- ECOTOUCH Tankless Water Heater with Digital Display

In case you are looking to get instant and adequate hot water, you need to go for this water heater. The water heater adjusts the power input depending on the flow rate. It is also known for its energy efficiency. This means that you will not get your energy bills hiked.

The construction of this tankless water heater is not only safe but also durable. The water heater is also UL and ETL certified which means that you are going to use it for many years. The user-friendly design for this heater also makes its operation much easier.

Key Features & Benefits:

  • Smart self-adjustment
  • Instant and sufficient hot water
  • Convenient use
  • ETL and UL approved
  • Safe and durable

9- CAMPLUX Tankless Water Heater

Next is the CAMPLUX tankless water heater which is known for its good flow rate. In just one minute, the water heater can deliver 1.58 gallons of hot water. This means that you are going to save time with this water heater.

You are also going to fall in love with the fact that this is an energy-efficient water heater which ensures that your energy bills are not hiked. The safety features in this water heater are also good since it will automatically shut down in case oxygen gets depleted.

Key Features & Benefits:

  • 1.58 GPM flow rate
  • Anti-freezing protection
  • Comes with a folding handle
  • 2.8PSI water pressure
  • Optimal energy efficiency

8- Camplux ME25 Electric Water Heater

This is yet another tankless water heater that comes with a flow rate of 2.5 GPM. The good thing about this water heater is that it is very easy to install. This will minimize your expenses which would otherwise be used to hire a professional to do it for you.

Other than its ease of installation, you will appreciate its ease of maintenance. What this basically means is that it is going to serve you for a long time. Another unique feature about this water heater is that it has been CSA listed for safety.

Key Features & Benefits:

  • 2.5 GPM flow rate
  • CSA listed for safety
  • Very simple installation
  • Long service life
  • The maximum water pressure is 150 PSI

7- Bosch Thermo technology Tankless Water Heater

This is another convenient water heater that will provide hot water wherever you need it. The water heater is very easy to maintain and will also serve you for a long period of time. The tankless water heater is available in different sizes where the buyers will select from.

One more thing you will appreciate about this water heater is that it is very easy to mount. You, therefore, do not need to hire a plumber to fix the heater for you. This is basically a water heater which will deliver hot water instantly. Even though it is a bit pricey, you are sure to get value for your money.

Key Features & Benefits:

  • Easily mounted
  • Fast recovery rate
  • Independent installation
  • Long-lasting quality
  • Convenient water heater

6- Zinnor Electric Tankless Water Heater

On the sixth spot according to these reviews, we have the Zinnor tankless water heater. The temperature for this water is very easy to adjust from 55 to 75 degrees Celsius. The total power output for this heater is 1500 watts which will offer you good water pressure.

This is a water heater which can be installed in your kitchen, the restroom as well as the bathroom due to its space-saving design. The aesthetic design for this water heater, adds a classical appearance to your room. In short, with this water heater, you are going to enjoy endless hot water.

Key Features & Benefits:

  • Space-saving design
  • Endless hot water
  • Aesthetic design
  • Easy to adjust the temperature
  • Multiple installation methods

5- Hyperikon Tankless Water Heater, ETL Listed with an Integrated Temperature Sensor

On the fifth rank here is the Hyperikon water heater which comes from a reputable brand. If you are therefore looking for unending hot water, this is the product to go for. There are so many colors of this water heater where the buyers are required to select from.

The energy-efficient design for the water heater will ensure that your energy bills are never hiked. The circuit breaker, on the other hand, helps in ensuring safety for this device. The device is also backed with a warranty of 5 years which assures you that you are shopping for a genuine product.

Key Features & Benefits:

  • Endless hot water
  • Backed with 5 years warranty
  • Comes with a 50A circuit breaker
  • Energy-efficient design
  • Several colors available

4- Rheem 240V Tankless Water Heater

Here is another tankless water heater that actually comes from a reputable manufacturer. It has a compact design allowing it to be used in different places among them being the kitchen, bathrooms, and other areas in the house. It is made in a user-friendly design meaning that you will have a simple time using it.

The materials used in making these heaters will not only ensure that you get instant hot water but will also guarantee that it serves you for a very long time. Another important thing about this water heater is that it is very easy when it comes to installation.

Key Features & Benefits:

  • Simple installation
  • The power control is self-modulating
  • Adjustable thermostatic control
  • Energy-efficient design
  • Digital temperature display

3- Eemax Tankless Water Heater, Blue

On the third spot, we got the Eemax water heater which will supply you with hot water continuously. This, therefore, means that you get hot water anytime you need it. The compact nature of this water heater helps in saving space. You can, therefore, use it in different places including the kitchen.

The self-modulating technology for this water heater makes its operation very easy. It also has very good water pressure which consequently means that the flow rate is perfect. With all these features, you are sure to enjoy the water heater even though it comes at a bit higher price.

Key Features & Benefits:

  • Maximum water pressure is 150 PSI
  • Continuous hot water supply
  • Self-modulating technology
  • Compact and space-saving design
  • Simple operation

2- Stiebel Eltron Tankless Water Heater

This is a very superior and compact water heater which is made by a reputable manufacturer. This explains the reason why the performance of this water heater is excellent. The compact and space-saving design for this water heater allows you to install it anywhere you wish in your room.

One more thing you will definitely appreciate from this device is the technical support. If you need any help with the tankless water heater, you will appreciate that the technical team will be ready to help you. It is also made with superior craftsmanship to guarantee its durability.

Key Features & Benefits:

  • Superior and reliable performance
  • No venting will be needed
  • Sleek design that fits anywhere
  • Excellent technical support
  • Simple and easy to operate

1- Rinnai V65IN Tankless Water Heater

Last but not least, we have the Rinnai water heater which is very light in weight and compact in size. This means that you can install it anywhere even in a limited space. The good thing about this water heater is that it has met the required standards.

The installation of this device is something else you will like about it. This will cut down the costs since you would otherwise be needed to contact a plumber. It is also energy-efficient implying that you will not get overrated power bills after using it.

Key Features & Benefits:

  • Lightweight and compact
  • Meets the needed standards
  • Indoor installations
  • 0.82 maximum energy factor
  • It has a maximum BTU of 150,000

Factors to consider when buying tankless water heaters

Size: This is going to tell you about the amount of water that can be processed at any given time. It is also going to tell you the amount of space which will be taken up upon installation. The size of the water heater is also going to tell you the electricity it will use to heat the water.

Flow rate: This is yet another important factor that should never be ignored. The flow rate for these heaters is measured in Gallons per minute. In essence, it would be a good idea to settle for a water heater that has a good flow rate.

Construction: This is something else that you should take into account when making the purchase. You must make sure that the materials used in making your water heater are of good quality. They should not be subject to leaking. Apart from that, you should settle for the water heaters made with materials which will last.


It is our hope that you found this article enjoyable just as we had a good time writing it. These reviews are aimed at helping you decide which tankless water heater will be best for you. This is mainly due to the fact that there are so many options out there. As a buyer, therefore, you might find it hard to make an educated decision. By simply reading through these reviews, you can rest assured to take home the best water heaters. The buyers’ guide provided earlier on is also going to contribute towards your decision making.