Point Of Use Water Heater

If you seek the hot water solution for every fixture of your home, then a point-of-use water heater is the best solution for you that meets all your demands and needs.

Image Product Details   Price
backpac Bosch Electric Mini Tank Water Heater Tronic-300 Capacity: 2.5 GPM
Voltage: 120 v
Color: White
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backpac Eco Smart Eco Mini 2,5 Gallons Capacity: 2.5 GPM
Voltage: 120 v
Color: White
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backpac Camplux 10L Capacity: 2.64 GPM
Voltage: 120 v
Color: White
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backpac Stiebel Eltron 233219 Capacity: 2.5 GPM
Voltage: 120 v
Color: White
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backpac Rhem 24o V Heating Chamber Rtex 13 Capacity: 3.17 GPM
Voltage: 240 v
Color: White
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Point of use water heaters are very familiar in residential and commercial units with limited space and are not designed for large volumes of hot water, but it’s mainly used for a single point of use. This low-pressure fixture serves low volume to sink, small apartments, garages, and RVs.

In addition, a point-of-use tank and tankless water heaters can add comfort, convenience, and efficiency to a home.

Top five best point of use water heater of 2021

Here is the list of the top six best point-of-use water heater that comes with all positive and negative aspects, helping choose your satisfying products from the listed items.

Here are the first four-point of use water heater 120 v using electricity.

(1) Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) – Eliminate Time for Water heater

This bosch electric water heater is at first and top of our list due to its highly rated and positive review from the customers. The compact-sized mini-tank heater provides instant hot water where it’s needed, just one moving the tap on. This point of use water heater uses 120v.

The Bosch ES4 Tronic 3000 T Electric water heater has a 2.5-gallon capacity point-of-use. However, the mini-tank lets you install and fit right under your sink or near the shower tap. These easier installations make it the best electric point for water heaters for small space and single purpose.


Size and Design

This smaller model with a mini tank has a sleek and clear body, making it elegant and beautiful even if you install it near the tap or fixture, and it will enhance the beauty of your interior. The sturdy structure makes it a stainless steel body which makes it durable.

The glass-lined small tank offers excellent insulation and added endurance, plus its sleek and attractive exterior design that blends in seamlessly with place decor. That is lightweight at 15.5 pounds, and its dimensions are 13.75 W x 13.75 H x 10.75 D Inches.


The small hot water storage tank can provide approximately 2.5-gallon point-of-use hot water and easily fit under your sink or near the fixture.

High-Efficiency Rates

Furthermore, This Bosch mini-tank Tronic 3000 T offers thermal efficiency of 98% that will be higher than other heaters and save you money.

Long-Lasting Quality

This electric water heater is easy to install and maintain, and it has high-quality material that can make it durable and provide long-time services.

Easily Mounted

The installation of this point-of-water heater is speedy and easy due to its sleek and compact design; you can install it near the fixture as a shelf, wall, or floor-mounted position. It will instantly provide hot water where you need it.

Instant Hot Water

This Bosch mini-tank water heater provides instant hot water due to its pre-storage hot water facilities. When you turn on the tap, you can get instant hot water without wasting time. Plus, it comes with a pressure relief valve installed.


It has a small storage tank that can hold hot water 2.5- gallons and is available in 4 and 7 gallons capacity. That will be heated quickly using just 120 VAc plugin connections, which can heat the water with 120 Volts energy.


  • An excellent insulated heater that reduces standby heat loss
  • The unit has a high thermostat efficiency of 94%.
  • Very lightweight and compact design comes with a mini tank
  • Elegant and simple looks 
  • That Bosch 3000 T comes with a 6-ft cord that can plug directly fitted into a 120-volt socket
  • Six years long time warranty


  • Pricey
  • Not digital panel control

The Bosch Tronic 3000 is an excellent 2.5- gallons mini-tank water heater. That comes with flawless performance with less maintenance required. The compact design and environment-friendly environment give you comfort. That’s why Bosch is standing behind their product. So, this is the supplement of a primary water heating source for your limited or small space that heater can undoubtedly use for three different applications.

(2) Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini-Tank Water Heater


Instant Hot Water Supplies

In this unit, you will get instant hot water due to its small tank that can store hot water and remain warm for a long time. When you turn on the tap without wasting time, hot water comes on the spot.

Although You need not wait long to fill up the tank, an old pipe takes some time to heat the water, but this system has no issue. eco smart eco mini point of use water heater uses 120v

Lightweight and Compact Size:

Ecosmart tankless heater comes with a sturdy structure and is mini in size. The high-quality material makes it reliable and durable and looks very sleek and straightforward when anyone sees it for the first time. It’s very lightweight, only 19.5 pounds.

 Its compact size allows you to keep it under the sink ideally. The EcoSmart mini-tank water heater can ideally adjust for anyone with limited space.

Easy Installation

The EcoSmart Mini tank water heater comes with a space-saving design. Plus, its simple design and easy installation make it very handy. Even you can install it on your own effortlessly. They are perfect for installation anywhere you need instant hot water, and this unit prefers to install a vertical position.

Pressure Relief Valve

Ecosmart MINI 2.5 gallon tank comes with excellent features like its temperature and pressure relief valve. That makes it the best residential mini tank point of use water heater, and the valve of this unit reduces the pressure at 50 and 140 degrees F temperature. That is very beneficial for your home’s safety and protects your place from any heat burn issue. And save the heater from supplying extra hot-tempered water. 

Efficiency Rates

The Sleek and compact design offers a digital temperature display to control the temperature setting according to your needs—output temperature display. The ECOSMART tankless water heaters are 99.8 % energy efficient and reduce your cost of electricity bills. Plus, That is the best money-saving option for those who like and want to enjoy hot water baths.

The EcoSmart tank water heater performance is excellent with the 2.5gallons hot water storage capacity. It will be the best choice for you if you need endless points of use heater. It might be the best money-saving and time-saving option for you. The higher efficiency rates and quality design, durability, and easily handy installations become possible to buy this unit. You can connect this unit with others to boost continuous hot water.


  • Endless hot water supply
  • Easy to install
  • Best suitable for buffer and point-of-use application
  • simply required standard plugin 120V outlet for power
  • Energy-efficient and easy to maintain


Water gets cold very fast.

The Rheem RTEX 13 worked with a 240v heating chamber and worked excellently without any tank. This tankless point of use water heater comes 3rd on our list. The small heater required little space.

(3) Camplux 10L 2.64 GPM High Capacity Color Screen Propane Tankless Water, Heater

Now here we have listed one of the camplux points of use water heater models to its familiarity. It can handle whole-home hot water supply demands. The 2.64 GPM high capacity is good enough for multiple points of use appliances. It is an eco-friendly option for those who need a heater for small to medium families.


Easy to Use

This is best suited for those who need The hot water supply for their whole home on demand and can easily install indoors. The compact and beautiful design allows you to install it even under the cabin and the sink. Plus, this is one of the high efficient power ventilation.

This work is perfect for any small homes, cabins, or apartments with high safety.

Saving Energy and Money

This camplux mini-tank heater offers you a money-saving option by using less power. The high-efficiency rates, about 88.4% energy efficiency, provide you with instant hot water supplies and reduce heating costs for a long time.


This camplux environment-friendly tank water heater with full flow rates of hot water at 2.64 GPM, the heating process starts and performs quick heating when you turn on the tap.

More Safety, This tank point of use water heater, gives you 100% surety, and the UL certificate approves that. The safety protection that it offers is Flame-out protection, anti-freezing protection, and overheating protection, as well as airflow pressure switch protection to ensure safety.


  • Work with high thermal efficiency at 88.5 %
  • Save money and more energy saving
  • Compact and elegant design
  • The digital temperature control system
  • Easy installation


  • Not for a large family

(4) Stiebel Eltron 233219 2.5 gallon, 1300W, 120V SHC 2.5 Mini-Tank Electric Water Heater                                     

The Stiebel Eltron 2.5 gallons is the best point of use for an electric water heater that can only be designed for one shower.  That will supply endless hot water to a single point of use as a shower only.

The point-of-use water heater 12V power heater has a 2.5 gallons mini tank that heats the water quickly and stores it for a long time. The stylish and compact looks make it durable and handy. Even you can install it on your own without requiring any expert help.

The Stiebel small and single point of use water heater 120v will be the best choice for you if you find an electric water heater for the shower only. This gives you comfort by a temperature control system between 86 and 140-degrees.

Once you set the Stiebel Eltron Mini-Tank to your desired temperature, it will never disappoint you with its water flow variations. An advanced microprocessor will keep it from drifting, regardless of water flow variations.


Flat Back & Easy Installation

The Stiebel comes with a beautiful design that looks sleek and has a flat back easily fixed to the wall for installation. The compact size and sturdy structures make it durable and are the best option for space-saving if you have limited installation space.

So, you can fix any position, whether mounted on a wall with the included bracket or just sitting on the floor. It’s totally up to your choice and place.

Plugs into 120 V outlet

The mini-tank water heater required Plugs into a standard 110/120 V outlet to start the process of healing. However, you don’t need to set other special wiring and sockets required for this. Fill any SHC mini-tank with water, then plug it right into a 120V standard electrical outlet.

Adjustment Temperatures Controls

 Another amazing thing about this electric 2.5 gallons mini-tank water heater is its Convenient temperature adjustment. Many heaters come with fixed temperature points, but you can set the tempo according to your needs with this thermostat’s dial convenient temperature control setting. For a single shower, 90-100 Fahrenheit temperature and other appliances required temperatures between 86 and 140 °F.

A small heater can use a standard frost protection setting to maintain internal tank temperature above the freezing point.

Get hot water fast

Furthermore, the instant hot water supplies make your life easier, and in cold climates, you can feel very comfortable with this like a blessing. An SHC delivers hot water almost instantly for water-saving & energy-saving comfort. When you turn on the types, it will come on the spot without the furthest waiting.


Stiebel Eltron 2.5 gallons electric water heater is constructed with high-quality material which can go long-lasting if you use it correctly. The Stiebel is sure about its durability and gives you a six years warranty for the tank. These small water heaters can efficiently deliver endless hot water for a single point of use as a shower only. Plus, you can also use it to use a water heater for washing machines and hand washing and kitchen applications.


  • Instant hot water supply
  • Low maintenance required
  • Very handy and easy to install
  • It comes with an adjustable temperatures dialer


  • Little bit pricey

(5) Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

That is very lightweight at 8.5 pounds, and hot water flow is good enough for multiple uses. The compact size enables you to install it anywhere near the tap with any mounted and floor positions. Even you can effortlessly install it under a sink, cabinet in a home, office, boat, or RV.

The Rheem RTEX 13 comes with a powerful enough hot water flow rate of 3.17 GPM, best for single shower use. That comes with pretty impressive features like an adjustable temp control system, and you can use it for multiple appliances.


Adjustable Digital Temperature Control System

The Rheem is a well-known item produced by a famous brand and has many thousand positive reviews. Customers. The features that make it best are its compact size and adjustable digital thermostatic control, which is one of the best advantages of buying a tankless water heater. That is becoming more convenient makes controlling your water temperature according to your desire.

However, the Rheem RTEX 13 features are very environmentally friendly, and you will be able to change the mode of temperature as you need it instantly.

LED Display

The beautiful LED temperature control panel gives an eye-catching view due to its simple, elegant small looks with a digital panel that enhances your decor’s beauty.

All the needs are done through this intelligent LED display system. Enjoy your endless multiple point-of-use hot water requirements without any problems.


The electric compact style water heater is not just easy to control; when you adjust the water temperature, it will give you high accuracy with the external thermostatic control. You will get a desirable temperature with the exact accuracy you have selected by the control LEd panel.

Durable Heating Elements

To keep your water hot, the Rheem RTEX 13 mini tankless water heater uses two high-quality copper immersion heating elements for heating the water instantly.

The groundwater travels in pipes through the heating element that heats the water and is heated quickly. However, when you turn on the tap, the hot water supplies quickly and allows you to access perfectly heated water for as long as you want. Moreover, these heating elements can be replaceable if it’s not working correctly.

Energy Efficient

Luckily, this electric tankless Rheem RTEX 13 model works effectively when you use it as a money-saving and power-saving option for your home. Plus, RTEX 13 is 99.8% energy efficient and consumes less power than other heaters. That thing makes it a power-saving and money-saving electric heater for all purposes and especially for cold climates. So you will end up saving plenty of electricity in the long run.


  • It comes with Self-modulating and LED display temperatures controls system
  • Reduced the heating cost
  • Compact sized and easy to install
  • Endless hot water supply with
  • It comes with five years no leak and a 1-year parts limited warranty


  • Not suitable for large houses

Point Of Use Water Heater For Shower

Usually, point of use water heater can be used for one shower only. We have selected some of them for you.

Image Product Details   Price
backpac Eco Smart Eco Mini 2,5 Gallons Capacity: 2.5 GPM
Voltage: 120 v
Color: White
Check Price
backpac Camplux 10L Capacity: 2.64 GPM
Voltage: 120 v
Color: White
Check Price
backpac Rhem 240 V Heating Chamber Rtex 13 Capacity: 3.17 GPM
Voltage: 240 v
Color: White
Check Price

If you have more than one shower and tabs, then you will need an electric or gas tankless water heater according to your required capacity. You can see our research in the following link regarding these tankless water heaters.


What does a Point of Use Water Heater mean?

Point of use water heaters is compact size beautiful heating appliances. They are specially designed for instant hot water supplies. That only heats the water when you turn on the tap water. Otherwise, the heating process will be a pause that is very helpful for saving money. 

Moreover, These POU heaters come tankless or with a small tank. That supplies hot water to a single fixture by using a source of electricity or gas. That can easily be installed near the faucet due to its small size.

Although, These heaters are very popular due to their easy and environment-friendly installations.  POU water heaters are installed under a sink or next to a shower. When you need hot water without wasting time, it will instantly provide it.

How Do a Point of Use Water Heater Work?

Point-of-Use electric water heaters are very demanding in the market nowadays as compared to other heaters. The term “point of use” means a heated water place near the shower and under the sink, cabins, or bath where the water is used, instead of a central heater.

However, the POU heaters use a heating element for heating the water and convert electrical energy to heat energy. It requires higher amps of electricity in cold climates for quick heating. The heating process only begins when you demand hot water and whenever someone turns the faucet.

Although Gas POU water heaters are also available in the market, they are more complex and expensive due to their venting and gas line requirements issues. 

Benefits And Uses Of Point Of Use Water Heaters

Here we have listed some uses and benefits of point-of-use water heaters.

  • Point of Use (POU) water heaters are beneficial to reducing the heat loss distributions process.
  • It is easy to install and maintain, even installing it under the sink or neat to the faucets and shower.
  • A POU may also be an energy-efficient choice for you. That saves money and time.
  • This decentralized system helps to save a life.
  • Mostly compact and looks stylish with advanced technology.
  • This also works great if you use it for a whole house.
  • Instant hot water provider

Things to Consider While Buying a Point of use Water Heater

Before choosing a perfect POU heater for your home, you should consider some important features that give you satisfaction.

Tank Or Tankless

Before buying a water heater for your home, you should have to know about its kind of tank and tankless water heater. If you need instant hot water, then a small tanked water heater is the best choice for you. A tank water heater is quicker than a tankless water heater because it has a small storage tank that pre-stores hot water. When you turn on the tap, it will run on immediately.

As far you have to check out the product that meets your instant hot water supplies. Plus, the second thing you need to consider is to look for the capacity you require. Before buying, determine the necessary space for its installations near the sink or shower. So, always keep in mind to choose those products with the correct size.


The next important thing that you need to consider is maintenance. Choose only those products that don’t require day-to-day servicing and maintaining the heater. That is too much time wasted in this busy life routine.

So you should check out fewer maintenance features as well as that that also gives you excellent performance with higher efficiency. 


The third thing that you have to know is about your home appliances and their system. How does it work? Definitely, no one must require the same temperature all the time. Obviously, in summer and winter, hot water is different according to the climate. So all the heaters work with thermostat systems. But if you buy a water heater that comes with adjustable thermostat models, that will be a great thing about it. You can adjust the heating process or the temperature of water according to your needs.

Moreover, you need to make sure that the water heater must be easy to clean. This will help you to flush out the limestone formation.

Heating Element

Another vital factor that you need to consider is the heating element of the point of use water heater. It is the main component of any heater that should work well. It would be best to make sure about the high quality and performance heating elements you have got.

It will also give you more benefits through less energy consumption and higher efficiency to work. Always check the efficiency of the water heater heating element that you are planning to buy.

Size & Durability

Before choosing the best point of water heater, you need to consider its size and space availability. That is specially designed for limited space. So, make sure about its size that it is easily installed in your specific areas.

Although the compact body makes it very lightweight, you can free up space and install the heater closer to the fixture or under the sink for instant use. That will never look bad. In fact, it will enhance the beauty of your place. As much as possible.

Since these point-of-use water heaters work daily but perform a simple and effortless task, it can increase the long life quickly.

Most heaters come with a long time of 20 years of durability, making them reliable and top-rated products for regular use.

Point of Use Water Heater Installation

The point of using a water heater installation is straightforward and quicker than other heaters. However, some products offer you to install a water heater on your own. It is made of a compact and sturdy structure which makes it very handy, but sometimes you must know where to install this heater and how to install it.

However, some products are complicated; you need to follow some steps mentioned in the book you find in the product kit box. Keep in mind, and It must not be too far from the shower. In America, most point of use water heaters is electric, as mentioned in Wikipedia.

Flow Rate

The hot water flow rate is measured in gallons per minute (GPM). It means how much a water heater can produce a water heater at a time. However, flow rates may differ for every fixture point of use. It represents how much a fixture or a tap required hot water at a time.

Theoretically, a tankless heating system provides endless hot water so you can use it according to your needs. However, it depends on the demand for hot water.

Suppose you want a low flow rate that is about 1.5-2.0 GPM for a shower. Then another tap or other appliances use 6 GPM or more efficiently.

So, For endless hot water, make sure you choose the right flow rate for your incoming water needs.

Advanced Technology

Some tankless water heaters come with a digital temperature control panel showing your water temperature is ready for supplies. Some others are equipped with other digital settings with temperature modes you can set according to the texture’s needs.

If you want control over your water temperature, you should buy a digital tankless water heater.


Many well-known brands produce the best point-of-use water heater with a long-time warranty. Having a warranty on an expensive appliance is the best thing about a product, making it top-rated in the market.

Otherwise, If the product is installed accurately and then not working correctly and has some issues during working, it may cover its fault and find the failure or error. Plus, they will also replace the item without other extra costs and charges.

FAQs About the Point Of Use water heater 2021


Overall, anyone gets benefits from a POU water heater through all of the above-listed items. That comes with a fair bit of features like a digital panel as a user-friendly mode, high energy efficiency, ease of installation, high and low flow rates, durability, and reliability.

Even. If you need a budget-friendly option, you also look at our best 6 points of use water heaters. Finding the best under-the-sink tankless water heater becomes a tedious task, but hopefully, our recommendations will help everyone.

So, to guarantee hot water to even the furthest fixtures in your house, go with a POU water heater.

Related topics:

Electric Tankless Water Heater