10 Best Point Of Use Tankless Water Heaters In 2021

Waiting for warm water to take a shower can be aggravating. Let’s face it: icy water in winters is not worthwhile and running a warm water pipeline to all taps, appliances, bathtubs, and sinks can be extremely costly and time-consuming.

If you are interested in acquiring hot water instantly, the best point of use tankless water heaters can be the perfect solution for you.

Irrespective of how competent your residence’s main heating system is, there is forever that one area in the property where the water declines to travel at the desired temperature from the very beginning.

If the sink is closer to the heater, you will unquestionably obtain hot water, but if it is far away, you will get lukewarm or cold water. When you run multiple fixtures at once, you might have to wait for a while before the water is finally warm enough.

In such a case, the point of use tankless water heater for shower will be beneficial for you. As there are numerous products available on the market nowadays, so it can be very difficult to randomly pick the right one that fulfills your needs.

Well, going through our extensive article below will certainly help you to select the perfect tankless water heater for your office or house.  

The Best Point Of Use Tankless Water Heaters Reviews

1. Bosch Electric Mini-Tank Water Heater – Best Point Of Use Water Heater

Do you want to enjoy a hot shower, but don’t want to waste time in boiling cold water? If yes, then the Bosch point-of-use water heater might be the optimal choice for you.

It will guarantee that your water will be supplied the moment you want it. Also, you won’t have to deal with the hassles associated with other heaters.

This compact unit consumes less storage space and is very easy to install. Since it is made as a tiny machine, you can expect it to be mounted beneath the sink.

To begin its work, it needs a 120v outlet and 12.5 amps. Furthermore, it produces 2.5 GPM and is outfitted with essential features that even its competitors can’t offer.

The Bosch electric mini-tank water heater features glass linings to prevent damages to its body. Besides, it is sturdy enough to resist impact and will take a long time to wear down.

A good thing is that you can hang it at your favorite location, including RVs, pool houses, kitchens, bathrooms, mobile houses, apartments, and boats.

This item is highly energy-efficient, so you can aim to save a lot of energy and ultimately, money. There is an external dial that permits you to alter the temperature.

The temp and pressure relief valve is integrated into it to ensure your safety. It has a stylish and aesthetically pleasing design that blends in perfectly with your house’s décor.

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2. Ecosmart ECO MINI 2.5 2.5-Gallon – Point Of Use Water Heater Review

The Ecosmart Eco mini 2.5 gallon best point of use water heater warms up the water really fast for your usage. Older pipes take a long time to heat water; this model will decrease that time.

When you turn on the faucet, the water starts flowing immediately. If we talk about its size and weight, then this unit weighs only 19.5 pounds. Its total dimensions are 16.2 x 11 x 11 inches, so you can place it under the sink.

Simply plug it in the power outlet to acquire water and put it onto the sink or counter to heat. If you have limited space in your house, this unit is well-suited for you.

It can lower the need for recirculation pumps and lines and should be deployed in the vertical orientation.

Moreover, the Ecosmart Eco mini 2.5-gallon device for residential areas has a temperature and pressure relief valve that helps to relieve the pressure at 50 and 140 degrees Fahrenheit.

It is liable for safeguarding the machine from excess temp and pressure by releasing water. Furthermore, it can match up the safety purpose.

You can take advantage of it for POU and buffer applications. It is a good item for folks who don’t want to use a technical water heater. Best of all, it is cost-effective and is furnished with all essential features like other heaters available out there.

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3. Stiebel Eltron 233219 2.5 Gallon – Point Of Use Tankless Water Heater For Shower

Manufactured in Germany, this point of use tankless water heater for shower runs on electricity and have space and a water-saving design.

It delivers warm water right at the moment when you turn on the fixture. It is fast, convenient, and easy to use. It arrives with an eye-catching and conspicuous design that flawlessly complements the contemporary house décor.

You can rely on it to get hot water without any delays. It requires a standard 120v outlet, so it is easier to install. You won’t have to install various pipes and it also reduces energy and water use.

The compact and lightweight boiler flaunts first-rate insulation. The lowest stand-by loss helps you save a substantial amount of money and decrease electricity demands.

On top of everything else, it is constructed by using premium quality materials. The Stiebel Eltron 233219 has a flat back design that makes deployment in the wall effortless.

On the heater’s top, you will see a thermostat dial that lets you adjust the temperature according to your needs.

Besides, its frost protection setting maintains internal container temperature above freezing. The boiler offers warm water promptly and ensures you feel comfortable while using it.

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4. Ecosmart POU 6 Point of Use Electric Tankless Water Heater

The Ecosmart POU 6 is one of the best point of use tankless water heaters that give unlimited hot water instantly and on-demand for a single basin or sink.

You can use it for point of use applications in bathrooms, kitchens, RVs, and boats. It is robust, compact, lightweight, and fits in a limited space easily.

This non-thermostatic device has a digital display that informs you about the temperature output. The display screen is easy to understand and quite helpful.

It is a reliable product that is exclusively designed for under-the-sink installation to deliver a maximum flow rate of 1 gallon per minute.

Additionally, it arrives with a 0.5 GPM sink aerator for increased performance. As it is a flow-controlled machine, so you can easily regulate the temperature based on your personal needs.

Remember, to increase heat, you will have to decrease the flow rate. Moreover, you can place it in any corner of the house, thanks to its narrow and compact design.

Before purchasing and mounting it, make sure to check if it complies with your house’s gas and electrical requirements. This affordable water heater requires a minimum of 100 amp electrical panels and a 40 amp single pole breaker attached with a 10 AWG wire.

When it comes to plumbing, this point of use tankless water heater reviews need a ½ NPT and provides 6 kilowatts power at 220 volts.

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5. Stiebel Eltron 224201 240V – Point Of Use Water Heater Reviews

Are you hunting for a compact and good-looking tankless appliance? Then, the Stiebel Eltron 224201 might be the right option for you.

This slim device is designed to outperform the heavy ones. It is one of those unique items that don’t break your bank but offer cutting-edge characteristics.

Its lighter weight and flow rate make it obvious that it is a point-of-use machine. Keep in mind that you can’t use it for whole house or office use.

If you want to use it for the whole house, then you will have to install several systems to meet the requirements. It exhibits a temperature control knob that is positioned on the front cover.

It enables you to fine-tune the water temperature coming out of the heater. Another noteworthy trait of this point of use water heater reviews is its self-modulating feature that takes help from the integrated temperature sensor to automatically regulate the water output.

Furthermore, the flow-adjustment valve is also present that aids you in increasing or decreasing the water flow rate. Above all, it is made by a leading brand that has thousands of satisfied consumers worldwide.

The industrialist has strict standards and quality engineering. Also, they offer the best warranties in the water heater industry.

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6. Rheem 240V Heating Chamber RTEX-13 – Best Point Of Use Tankless Water Heater

Rheem 240V Heating Chamber RTEX-13 is one of the most high-efficiency water heaters available in the market right now.

It is an excellent choice for those on the lookup for residential systems. Since it is a tankless device, so it is effective in its functionalities and is also highly energy-smart, which is something we liked about it the most.

It boasts a straightforward, yet compact design with revolutionary traits. Foremost, its external adjustable digital thermostat control has a LED display that provides accurate readings of the water temperature.

This tiny and lightweight product is optimal for small apartments and homes. Due to its lightweight nature, you won’t have to contact a plumber for its installation because you can hang it yourself without requiring technical knowledge.

To enhance its efficiency and reduce energy consumption, the brand has installed two resilient copper immersion heating components that feature self-modulating control.

To allow you to fine-tune the heater’s temperature, this affordable appliance has external controls that make it effortless for you to regulate the temp to your desired range.

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7. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon

The Bosch Tronic 3000 T 4-gallon is designed to fit nicely underneath the sink. You can use it as a stand-alone or attach it to your house’s main heating device.

This tiny electric device can be fitted onto the wall, in the attic, or under the sink in the bathroom or kitchen. It offers hot water in just one area and has a 2-year parts guarantee as well as a 6-year warranty on the boiler itself.

A notable thing about this best point of use tankless water heaters is that it is obtainable in three different sizes: 2.5, 4, and 7 GPM. In today’s guide, we are reviewing the 4-gallon unit as it is ideal for POU applications.

Its glass-lined container will last for a long time. Also, it is insulated with CFC-free foam and is 98% energy-efficient. The tank of this item is small, it means you will get warm water for only one task at a time.

You can’t use it for the whole house usage because it can’t meet the water needs of the showers and bigger washing machines. Moreover, its recovery rate is also fast, so you won’t have to wait for a long time to obtain hot water.

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8. EcoSmart 8 KW Electric Tankless Water Heater – Point Of Use Water Heater For Shower

Ecomsmart 8 KW electric point of use tankless water heater for shower is a superb choice for those who are searching for a lightweight and easy to deploy system.

It is equipped with self-modulating technology, so it is considered one of the newest and hottest heaters available in the industry.

The internal elements of this highly robust product are composed of stainless steel and copper. One thing that grabbed our attention the most is its easy-to-understand usage.

There is a thermostat and digital display so that you can conveniently adjust the temperature and see it on the LED screen. Apart from this, the most splendid trait of the Ecosmart 8 KW is the on-demand warm water service.

To ensure your safety, the company has incorporated a 3-second time delay feature in it, but still, it delivers nonstop hot water whenever you need it.

It needs an activation flow rate of 0.3 gallons per minute. However, its maximum flow rate is 1.5 gallons per minute, supplying you with water for various tasks.  

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9. Stiebel Eltron Tankless Water Heater – Tempra 20 – Point Of Use Tankless Water Heater Reviews

Stiebel Eltron Tempra 20 is a reliable POU tankless water heater if you want to save money on power expenses without waiting for too long to acquire warm water. With this unit, you won’t have to compromise on efficiency, performance, and quality.

It is an advanced iteration of the Tempra series, hence, it is packed with many exclusive characteristics. Heavy-duty elements, a simple single flow sensor, upgraded flow control, and a hinged cover are inserted in it for your comfort.

If we call it a next-generation best point of use tankless water heaters, then it would not be wrong at all. This electric device works much better compared to the gas-fired models.

The good news is that it is inexpensive, easy to install, and does not demand a venting system as well. By using the flow control feature, you can effortlessly change the water temperature according to your needs. It means you can get rid of annoying cold water sandwiches.

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10. Rheem RTEX-11 11kW 240V Electric Tankless Water Heater

Stop waiting to take a nice, long warm shower with Rheem RTEX-11 240v electric tankless water heater. You can take advantage of this machine for both single and multiple applications because the maximum flow rate is 2.68 gallons per minute.

If we compare it with larger products, you will observe that this particular appliance utilizes two powerful heating components of 5.5 kilowatts along with a ½ NPT water connection just like the Rheem RTEX-13.

According to user reviews, you can use it to get water for four sinks that are located close together. Also, you can deploy it as a booster for your washing machine or shower that is far away from the tank to get a sufficient amount of hot water.

This point of use water heater review provides swift, unlimited hot water on-demand for single or multiple tasks. Furthermore, digital temperature control is installed in it that enables you to increase or decrease the temperature by 1 degree.

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What Is The Best Point Of Use Tankless Water Heaters?

These are the tiny heating machines that are proposed as tankless or mini storage containers. They deliver instant warm water to any tap, sink, or shower at any time in the house, RV, and cottages using gas or electricity without relying on the main heating unit.

They are generally deployed beneath the sink or closer to the plumbing faucets. That’s why; they are known as point of use devices.

They are popularly utilized in commercial and residential settings that have narrow space and require warm water. A good thing about them is that they are highly efficient and use minimum gas or electricity.

A point of use water heater review uses less than 10,000 watts; hence, it is unsuitable for the whole house usage. However, they are more durable and pocket-friendly appliances.

How Does The Best Point Of Use Tankless Water Heater Operate?

It comes with or without a boiler. A heater with a container is attached to the water supply pipeline and can deposit water. When you turn on a specific fixture, the water stored in the tank starts flowing.

However, the point of use unit works differently. As it is tankless, so it heats water whenever you activate the fixture. The water temperature is linked with the water flow rate.

At a higher flow rate, the water temperature will be low, while at a slower flow rate, the temperature will be higher.  

What Are The Different Types Of Point Of Use Water Heater?

There are three deployment positions for residential POU heaters use and based on each different application, the types of each device are also different. It is used mostly for a shower, sink, and washing machine. Here we will share details of each type according to the using spots.

POU Heaters For Washing Machine

The washing machine needs hot water to clean the clothes. According to experts, approximately 5,000 water gallons per year are required to clean two heaps of laundry every seven days.

Thus, the POU unit for the washing machine can help you save up to 2 to 5% on water expenditures every month.

POU Heaters For Shower

If you want to install the POU in the bathroom for the shower, the flow rate will be higher. Also, it must be fixed near the shower fixture. In this way, the distance between the shower and unit will be reduced; it means the waiting time will also be shortened.

POU Heaters For Sink

Regardless of whether you are washing dishes, hands, or performing any other cleaning task on the bathroom or kitchen basin, the best point of use tankless water heaters will supply limitless warm water to you. By placing a machine underneath the sink, you can get instant hot water without any wait.

Do I Need The Point Of Use Tankless Water Heater Reviews?  

If you have cold areas in the home, you can install a point of use water heater. For instance, if you have two bathtubs and your unit is deployed for a while, you will notice that one bathtub takes minimal time to warm up and the other one takes some time to heat up.

The first one is bliss when you step in and the second one is a torcher in winter. As a consequence, you end up wasting a huge amount of water.

Wasting precious resources is not only bad for your budget, but the environment as well. If you don’t want to deal with this situation, we would recommend you to buy a point of use heater as it is designed to heat the water from the “cold spot” in the residence.

It can quickly heat the water from a basin or any other faucet that you have deployed on your property. It works like a charm for folks who need an “enhancement” and don’t want to wait for long until the warm water flows through the central unit.

Essential Things To Consider While Buying The Best Point of Use Tankless Water Heaters

Picking the right point of use water heater for shower is crucial when you are considering shopping for the one. If you are willing to buy a new one, here are some vital aspects you need to pay special attention to.

Maintenance

If you want to keep the product in a good condition for the long-term, then you will have to take good care of it. Many folks spend money on a product and then end up wasting their time in its servicing and maintenance, which is of no use.

So, you need to find a high-quality heater that requires a little maintenance and is highly energy-efficient. The less maintenance it needs, the more you will be able to utilize it for a long time.

Flow Rate

Flow rate is calculated in gallons per minute. GPM represents how much warm water a device can generate in sixty seconds. Tankless appliances warm water on-demand so only that much amount of water will flow through it at a time.

Suppose a heater can provide you limitless water forever. However, the water you will obtain in one minute will vary based on the unit. For instance, you need only 1.5 to 2 gallons for a shower or bath, but on the other hand, you need at least 6 gallons for the dishwasher.

The minimum flow rate has a great impact on the water pressure and how your faucets work. The higher the flow rate, the better your fixture will perform. For never-ending warm water, you should carefully determine the flow rate for your future water needs.  

Tank

If you want to get a new point of use unit for your house, opt for a small tank. A small boiler will surely help you to use it for swift usage and will store the water at the same time.

Make sure the model you have picked has some storage option available. This will enable you to acquire the best possible option for your use.

Warranty

Having a guarantee on the affluent best point of use tankless water heaters can allow you to save money in the long run. If it is hanged accurately and stops functioning after some time, it may be enclosed by a warranty.

It means, if any manufacturing or mechanical error will occur, the brand will replace the product without charging additional cost.

Therefore, before purchasing an item, don’t forget to recite the terms and conditions cautiously and understand that certain deployment types can negate it. It is always a good idea to choose an appliance with a lifetime warranty.

Heating Element

Heating element is another significant factor that you must consider while buying a point of use tankless water heater for shower. It ensures that you obtain the fastest heating option.

Besides, it is the primary element of the water heater. So, make sure that the heating element of your selected device work efficiently.

This will permit it to use less energy. Check the heating component’s efficiency that you are going to work with. 

Dimensions

Before buying a machine, check if there’s enough space in your house for installing it. The POU heaters typically take less space and deliver excellent outcomes.

So, make sure if your selected product’s size meets your expectations. Its size must fit the space available in your residence.

Required Breaker

The majority of tankless devices don’t just plug into the wall. In most cases, they will be wired into your house’s power system differently because they require extra energy. Remember, every heater needs a different size and type of breaker.

That’s why; you should grab information about what type of breaker your current electrical system has. It can help you search for an item that will match your anticipations.   

Frequently Asked Questions