5 Best Point of Use Tankless Water Heaters [ Reviews & FAQs ]

We all dream about the hot water supply for my morning routine, but unfortunately, we always get our hands drenched in arctic waters before warm water comes. Thanks to my friends who came up with the suggestion of using the Best Point of Use Tankless Water Heater. The day I installed this heater under my sink, life became easy and comfortable. Such tankless heaters are remarkable when it comes to ample hot water supply, space-saving designs, ease of installation, additional safety features, and above all, operational at lower water pressures.

Therefore, deciding to purchase such water heaters is an act of wisdom. If you are also thinking of enjoying a hot water supply in your home or office, then purchasing the best tankless heater is the answer to your wish. The good news is that we have compiled this review guide for you after analyzing the results of the various experiments on the top-notch products. Also, we have considered the reviews of the other regular users to write this detailed review guide. Therefore, please continue reading!

Best Point of Use Tankless Water Heaters | Reviewing 2022’s Top Picks

1. Stiebel Eltron 230628 Single/Multi-Point-of-Use Tankless Electric Water Heater – Best Point Of Use Tankless Water Heater

Stiebel Eltron Point of use tankless water heater

Stiebel Eltron Tempra 20 Trend Electric On-Demand Tankless Water Heater has left behind the market-worthy contenders in many aspects like robust operation, instant hot water supply, energy efficiency, and space-saving design. This battery-powered and best point-of-use tankless water heater has remained in my use for quite some time, and I am highly impressed by its uninterrupted supply of water even if the water pressure is very low. Also, the smaller size and sleek design in white colour will enable you to store it without any issues.

Stiebel Eltron comes with compactness reflected from its dimensions 4.63 inches x 16.63 inches x 14.5 inches (L x W x H). Despite its small size, it has the excellent capacity to fulfill the hot water requirements of your whole family. Thanks to the intuitive self-modulation technology that ensures energy efficiency. The reason is this unit will not use energy while not in use, unlike tank-based heaters. Therefore, this is the best water heater to go for if you are looking for eco-friendly choices.

In addition to these features, Stiebel Eltronis also appreciable because of its silent operation. It will provide you with the hot water supply as soon as you open the tab because its electronic switch will activate instantaneous water heating. This model is made with remarkable intrinsic and extrinsic safety features. Thus you don’t have to worry about any accidents. Also, no ventilation is required for it. Therefore, it is perfectly suitable to install under your sink in the kitchen and bathroom.

If you are curious about the temperature range of this tankless water heater, then we are glad to mention that it has a temperature range of 68 to 140 Fahrenheit. This model requires 19.2 kiloWatts and 240 Volts to function smoothly. At the same time, the required current for this unit is 125 Amperes. However, if your wattage specifications are different, then you can inform the manufacturers of the Stiebel Eltronis because models of varying wattage are available with the same features.

Another mention-worthy fact about this tankless water heater is its minimum heat losses compared with the other conventional models. This is attributable to the fact that this heater uses almost 15 to 20% less energy. Therefore, you will make significant savings with this fantastic model. In light of all these features, this tankless water heater excels over all the competitors in the market.

  • Premium grade copper heating elements
  • Safety-focused design
  • Highly compact and lightweight
  • Minor temperature fluctuations

If you are pondering upon purchasing a premium grade point-of-use water heater for your family, then we have exciting news for you. Stiebel Eltron is a superior grade tankless water heater that is matchless in energy efficiency, consistent water heating, and effective operation. Based on my experience with this great tankless water heater, I strongly recommend you to go for this fantastic model. This is a worth-considering option!


2. EcoSmart 8 KW Electric 8 KW at 240 Volts Tankless Water Heater – Point Of Use Tankless Water Heater

EcoSmart 8KW Tankless Point of use water heater

EcoSmart 8 KW Electric 8 KW at 240 Volts Tankless Water Heater has made its mark in the heaters market because it offers you a unique mixture of the features which are difficult to find in other models. These features include excellent durability, compact and space-saving design, user-friendly operation, and safety-focused structure. That is why it won’t be wrong to call this tankless heater the best point of use tankless water heater that you should consider procuring in 2022.

When I purchased EcoSmart 8 KW, I was impressed by all the features that it offered but majorly, I loved it for the highly compact, lightweight, and space-saving design. I could easily adjust it under my sink to enjoy a constant stream of hot water. To be more specific, it comes with the dimensions of 3.7 inches x 8 inches x 11.5 inches (L x W x H). In addition to this, this tankless water heater is very easy to use because all the functions are easily accessible. Thanks to the EcoSmart manufacturers for making this heater with highly innovative technology.

This technology is called self-modulating technology, which enables this heater to give you a constant stream of hot water. The activation flow of this heater is 0.3 gallons per minute (GPM), expressing excellent functionality. Another major factor contributing to the hot water supply is premium grade heating elements which transfer the heat as soon as you open the tap. These heating elements are threaded ones. Therefore, you will be at ease replacing them. Also, these are coated with the anti-corrosive layer.

In terms of energy efficiency, EcoSmart 8 KW is admirable because the results of our testing are the same as given by the Department of Energy. You will be able to save almost 50% of the costs incurred on heating water if you purchase this great heater. The temperature range of this tankless water heater is 80 to 140 Fahrenheit. With the digital control feature, you will adjust the temperature at your convenience. With all these features, you will save your time and money with this heater.

Another mention-worthy feature of EcoSmart 8 KW is its Smart Technology. This technology makes this heater most suitable for the regions with temperatures of 67 Fahrenheit or above that. The electrical conduits of this heater will not cause any issue at the time of the installation because the EcoSmart manufacturers have made it suitable for standard connections. Also, installing this heater is easier if you have little experience with plumbing before.

  • Energy efficiency
  • Uniform water heating temperature
  • Space-saving design
  • Comparatively expensive

If you have checked the number of tankless water heaters with the point-of-use feature but could not decide on the final model, then we have an expert’s advice for you. We are indicating towards the premium grade heater like EcoSmart 8 KW. This heater is matchless for uniform heating temperature, temperature adjustability, compactness, and lightweight design. Therefore, if you decide to invest your money in this great heater, it will be delivering the best performance every time you use it.


3. ECOTOUCH Point-of-Use 5.5 KW 240V Hot Water Tankless Water Heater – Point Of Use Water Heater For Shower

ECOTOUCH Point-of-Use 5.5 KW 240V Hot Water Tankless Water Heater

When it comes to features like endless hot water supply, innovative self-modulation system, excellent energy efficiency, no other model can beat ECOTOUCH Point-of-Use 5.5 KW 240V Hot Water Tankless Water Heater. I have been using this best point-of-use tankless water heater, and I must admire it for the sleek and compact design that easily fits under my sink in my kitchen. If you are a resident of the coldest region, then opt for this great tankless heater because it will save you from lukewarm water and give you hot water.

As far as my experience with the ECOTOUCH Point-of-Use is concerned, its modified self-modulation technology is the feature that makes it distinctive among market-based competitors. This system enables ECOTOUCH Point-of-Use to adjust the power input and flow rate. As a result, you will get a continuous supply of hot water, giving you a comfortable experience that you never had before. Not only this but also, you will be doing considerable saving with this energy-efficient water heater offering an efficiency of 98%.

Save yourself from the torture of waiting and grab this great tankless water heater that offers you a maximum temperature of 116 Fahrenheit. Another good news associated with the ECOTOUCH Point-of-Use is its touch control panel and brightly lit digital display. With these settings, you will be able to change the temperature of the water without any issues. Also, there is a remote control for you to change these settings for further convenience. However, this model is remarkable in terms of safety.

Thanks to the ECOTOUCH manufacturers for making this model with a safety-focused design. Also, they have used premium-grade materials for making this heater. That is why if you purchase this great heater, then we can assure you that it will be delivering its best performance for many years. If you wonder about the hot water specifications, you will be happy to learn that this model has a minimum water flow rate requirement of 0.475 gallons per minute (GPM) for activation.

While it will be producing 1.2 gallons of water within one minute for the maximum temperature increment of 67 to 109 Fahrenheit. ECOTOUCH Point-of-Use needs a wire of 10 AWG and a circuit breaker of the 1x 2-Pole 30 Amperes for the entire operation. The manufacturers of this tankless water heater promise you 24 hours of hot water and additional hygiene. Based on my experience with this model, I would like to approve this claim because it is resistant to rust and bacterial cells growth.

  • Innovative modulation control
  • Sleekness and compactness
  • Separate water and electricity lines
  • Expensive

ECOTOUCH Point-of-Use is a package of happiness for you and your family because it offers you an instant hot water supply, more accessible storage, and an enhanced safety design. Also, the working of the electric heating unit and water pipe in this heater is designed for separate working so that you won’t see any scaling issues. If you are thinking of purchasing this excellent heater for your family, we will encourage you to do so because it had incredible performance when we used it.


4. Rheem RTEX-13 240V Heating Chamber Residential Tankless Water Heater – Point Of Use Tankless Water Heater for Kitchen Sink

Rheem RTEX-13 240V Heating Chamber Residential Tankless Water Heater

Rheem RTEX-13 240V Heating Chamber Residential Tankless Water Heater is the best point of use tankless water heater to procure in 2022 because it offers you premium-grade heating elements, a brightly lit LED screen, and ease of installation. In addition to these features, this tankless water heater is perfect for storing under your sink because it has a perfectly sleek and compact design with dimensions of 12.63 inches x 8.25 inches x 3.63 inches (L x W x H), and it weighs only 0.01 ounces.

Rheem RTEX-13 is a battery-powered tankless heater that offers you a continuous stream of hot water. The good news is that this model gives you an option to change the temperature settings using the digital thermostatic control unit. This brightly lit LED is easy to use and will help you adjust the temperature without any issues. Furthermore, this tankless water heater has excelled over the market competitors because of its premium quality heating elements made with superior grade copper immersion.

These heating elements are marked by profound durability. Also, if needed, these heating elements are very easy to replace. In addition, these copper immersion elements are field serviceable. You will be glad to learn that you won’t need any prior expertise in installing the Rheem RTEX-13. The installation procedure of this tankless heater is super simple. The manufacturers have included 1/2 NPT adapters for you. Also, it has a side 1/2 inch water connection of the compression type.

We must not forget to tell you about the energy efficiency feature of this model. It is famous for giving you an efficiency of 99.8%. Therefore, by opting for this tankless water heater, you will enjoy the continuous stream of hot water and make considerable savings in the long term. Undoubtedly, this point-of-use water heater is the most environmentally friendly option to prefer purchasing compared with the other traditional tank and tankless heaters.

If you are curious about the water heating potential and flow rate of this heater, then we have a piece of exciting news for you. This unit has a power wattage of 13 kiloWatt and has an optimized flow rate of 3.17 gallons per minute (GPM). Therefore, this water heater will be fulfilling the hot water needs of your whole family. Consequently, we strongly suggest you try this powerful and compact heating appliance.

  • Easier thermostat adjustability
  • Powerful operation
  • Easy installation
  • Durability needs improvement

If your larger tank heaters are not giving you hot water when needed, we strongly recommend you go for the highly trusted and reliable model. We indicate the Rheem RTEX-13, which comes with a unique blend of features to amaze you. With the excellent flow rate, uniform water heating, and safe design, you will be experiencing matchless warmth and comfort.


5. Thermoflow Elex 3.5 KW Mini Tankless Water Heater – Point of Use Electric Tankless Water Heater

Thermoflow Elex 3.5 KW Mini Tankless Water Heater

Thermoflow Elex 3.5 KW Mini Tankless Water Heater is a premium grade water heater that is unbeatable for high-end construction materials, minimal pressure requirement, and uninterrupted supply of hot water. When I started using this best point-of-use tankless water heater, I loved it for the energy efficiency and safety-focused design that will help you make considerable savings of time, energy, and money. Therefore, investing in this great tankless water heater will be the best decision that you can make.

The best feature associated with the Thermoflow Elex is its premium-grade construction materials like acrylonitrile, butadiene, and styrene. Thanks to the manufacturers of this water heater for attaching a hardwired cord having 28 inches in size. This model’s compact and lightweight design will enable you to install it under your sink. This tankless water heater is specialized in reducing heat losses due to storage and circulation. Therefore, you will be saving 60% of the energy with this model.

Another good news associated with this great water heater is that it will give you hot water as soon as you open the tap without making you wait for the pre-heating of water. You will love Thermoflow Elex for this quick and highly efficient functionality compared with other models available on the market. If you are wondering about the installation requirements, you will be glad to learn that it has a wall mounting type easy installation, which won’t require you to possess prior expertise.

Thermoflow Elex promises instant water heating and more hygiene because it comes with a highly innovative design. This heater will only take a few seconds to heat water for you. From a hygiene’s point of view, you will be glad to learn that it prevents the storage of minute quantities of unused water in the pipelines. Therefore, no harmful bacteria find favourable conditions to grow and affect your health adversely. In addition, such innovative design is also admirable for resisting the development of rust.

  • Excellent energy-saving design
  • Highly compact unit
  • Corrosion-resistant
  • Leakage reported by some users

If you have used several tankless water heaters but are not satisfied with their performance, we have the best suggestion for you. We strongly suggest you go for the premium quality point-of-use tankless water heater like Thermoflow Elex. It has several features which will amaze you. Significantly, the instant hot water supply, hygienic design, and safety-engineered structure will make you use this heater for many years.


Read Also:



Which are the best point of use tankless water heaters to procure in 2022?

We have conducted experiments on various the best and top-quality point-of-use tankless water heaters. Luckily, we found some of them to be highly efficient compared to others. They include EcoSmart 8 KW Electric 8 KW at 240 Volts Tankless Water Heater, Stiebel Eltron Tempra 20 Trend Electric On-Demand Tankless Water Heater, ECOTOUCH Point-of-Use 5.5 KW 240V Hot Water Tankless Water Heater, Rheem RTEX-13 240V Heating Chamber Residential Tankless Water Heater, and Thermoflow Elex 3.5 KW Mini Tankless Water Heater.

Which factors determine the quality of the tankless water heater you want to use as a point of use heater under your sink?

You need to be careful about certain factors and pre-purchase considerations when purchasing tankless water heaters. These pre-purchase considerations include checking the uniform temperature attainment, instant hot water supply, durability, safety, types of the connections and conduits, installation requirements, flow rate, temperature and time adjustability, and compactness.

Is it possible to use a point-of-use tankless water heater for bathing purposes?

Yes, you can use point of use tankless water heater for bathing purposes. However, you need to make sure all the fixtures and connections are well installed for this purpose. You must take help from an expert plumber in installing it so that you can enjoy warmth and comfort while taking a bath without giving rise to any situation of accidental sparks, etc.

Wrapping Up

With this section, we have the final thoughts regarding the top-notch and best point of use tankless water heaters that we have just shared with you. We tried our best to give you all the details regarding the top-notch heaters. We hope now you will be at ease finalizing the product of your choice. And we have also narrowed down our choice to the top two picks, and they are:

If you have any queries, don’t forget to pour them in the comments section because we love to answer you. In the comment section, you may also share your thoughts, suggestions, and experiences with us. Thank you!