Point of use tankless water heater refers to the heating machine installed near the application fixture, compared with normal tankless water heater, it is smaller and has a lower flow rate, enables to meet the demand of one bathroom or one kitchen faucet only.
It has a wide range of applications, because of its small and compact shape, you can use it for a small tiny home, RV, camping or traveling. You can also hook it up on the hot water side to help reduce waiting time for hot water.
The best point of use tankless water heater is able to bring you the best experience in bathing or handwashing, the price of which is normally lower than normal type and the service life is also long enough. In order to help you get the most suitable one, we made a review of best-rated point of use tankless water heaters for you as follow:
7 Best Point of Use Tankless Water Heater Comparison Chart
Point of Use Water Heater for Washing Machine
What should the size point of use water heater be used to heat water for my washing machine?
Since you know how much water your family utilizes and what your pinnacle hour request is, it’s simpler to figure out which size water heater is best for your way of life. Depending on your requirements, you should use these estimates:
· For Single or two-person family units: 22-36 gallon tank
· 2-3 inhabitants: 36-45 gallon tank
· 3-4 inhabitants: 45-56 gallon tank
· 5-6 inhabitants: 55-80 gallon tank
· 6-7 inhabitants: 80-99 gallon tank
· at least seven inhabitants: 100+ gallon tank
For tankless warmers, utilization is dictated by your home’s significant temperature rise and the GPM of high temp water you require. Keeping in mind that you will essentially need to coordinate the washer’s water use with the limits of the water heaters you have at hand. On the off chance that you need to utilize tankless, you will have to get one that contents the GPM fill speed of the washer. And if in any case, you will need to use a little tank heater, you will have to ensure the washer does not utilize much water per load compared to the tank warmer stores, and these can be acquired in 2-6 gallons sizes.
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Can I Use The Point of Use Tankless Water Heater For the Shower?
As indicated by the fundamental need for private hot water use, point of use tankless water heater is regularly installed in the washroom for a shower and restroom hand washing. The best purpose of use tankless water heater can bring you best involvement with cleaning up or handwashing, the cost of which is typically lower than the ordinary kind, and the service it gives is likewise long enough.
With the point of use tankless water heater, it should be introduced close to the application apparatus. Subsequently, the separation among tap and warmer is so close. The warmed boiling water can stream quickly through the funnel and spares a lot of time waiting for high temp water. The more extended the waiting time of high temp water, the more cool water is lost in utilizing period. When the tankless water radiator has introduced the point of use, the holding up time is shortened to an enormous degree, and hence much cool water is spared.
How Should a High Point of Use of a Water Heater Be Used For a Shower?
When selecting a water heater for the shower, you have to think about a couple of things. In the first place, consider the number of individuals who will be washing up during a given time range. The regular American shower devours 14.8 gallons of water. From statistics, the standard stockpiling tank size for a point of use has to be 2.5 gallons. A distinctive bath has a stream pace of 1.5 gallons every moment. This implies for consistently you have the shower on you are utilizing 1.5 gallons. With such a high stream rate, even a 7-gallon tank would have the option to create enough heated water for a shower that can last 4 minutes.
The best choice is to utilize a tankless point of use water heater. A tankless water heater is going to give you a constant stockpile of heated water. The underlying establishment will commonly cost more; however, you need to get the best choice for showers.
Pros & Cons Of Point Of Use Tankless Water Heater
- Save time
For a point of use tankless water heater, it needs to be installed near the application fixture, thus the distance between tap and heater is so near. The heated hot water can flow fast through the pipe and saves much time waiting for hot water.
- Save water
The longer the waiting time of hot water, the more cold water is wasted in the using period. Once the tankless water heater is installed point of use, the waiting time is shortened to a large extent, and thus much cold water is saved.
- Not suitable for large demand applications
- Cannot be used as a backup for solar heating system and geothermal heat pumps
Point Of Use Tankless Water Heater vs. Tank Water Heater
-Tank water heater:
Point of use tank water heater is actually the smaller size of the normal tank water heater, the average range of which is 2.5-20 gpm. Much water needs to be stored in the tank for heating, and in using, heated water flows out of the pipe and used. Thus the flow rate is much larger but you may encounter the situation of running out of hot water in using period.
- Different types and designs can be chosen
- The installation process is normally simple and takes a short time for installing.
- Heat process is quite fast
-Tankless water heater:
Point of use tankless water heater reduces the large tank, no water is stored in the tank and no corrosion occurs inside the machine, the service life of it can be pretty long when compared with tank types. It heats water only when you need it, thus saves much energy and water for you.
- Endless hot water for you
- Self-modulation system enables to heat water only when you need it
- Stylish compact and small shape
Best Point of Use Tankless Water Heaters Reviews
According to the basic need for residential hot water use, point of use tankless water heater is normally installed in the bathroom for a shower and under the sink for both kitchen dishes washing and bathroom hand washing.
With the two different applications, we also recommended different types of point of use tankless water heaters.
>For shower Use<
This tankless water heater is a hot selling type on the market of 2020. It is capable of providing constant hot water for you with its 4 gallons water flow per minute and is the perfect one for supporting one shower use.
It heats water up fast, takes about 15 seconds for hot water to flow to the destination, and once in use, the water temperature will keep stable all the time. It is highly energy-efficient, saves a large sum of money for heating costs and water costs each month.
With a digital control panel, you are able to adjust water temperature easily. Temperature shows on the screen and error codes also show off when in the wrong operation.
The compact and small shape enables you to install it anywhere in the bathroom for showering. The most worthy mention feature is its unbeatable price, it can be regarded as the most cost-effective one.
- Digital temperature settings and accurate temperature readout
- Less using cost on electricity bill
- Money saver on using and installation
- Affordable price
- Multiple stranded wire makes the connection much easier
- Suitable for studio family and point of use
Supports one shower only a time
This tankless water heater is a small and compact one for the shower, it bears the maximum temperature up to 67 degrees F, and provides up to 2 gallons of hot water per minute. When you are taking a bath, it is capable of providing constant hot water for you.
The compact shape enables you to install it in tiny or small studios, you can also use it for RV and camping use because of its portable and lightweight. Installation of it is pretty easy, you can install it by yourself.
The self-modulation technology is set to start heating up water only when you need it, thus saves about 60% of the electric bill each year for you. It has an automatically resettable thermostat and digital temperature control panel, you are able to adjust the exact temperature you want.
- Energy saver
- Self-modulation technology
- Compact and portable shape
- Lifelong warranty
- Digital temperature control
- Easy installation
Water temperature is not so stable in using process
This point of use tankless water heater is also an electric type, requiring 220v for daily use. It is able to provide endless hot water for you, so you do not need to worry about running out of hot water in bathing.
It can be widely used in small bathrooms, storage, kitchens, sinks, RV, and small cabins. The compact and stylish small shape makes it easy to be used and installed anywhere possible.
When in operating, the electric heater creates heat without direct contact with metals, thus there is no corrosion for the heating parts and does not need frequent maintenance. The service life of it is pretty long.
No venting is required in the whole using period and superior heating efficiency saves a lot of money for you each month.
- No corrosion
- No frequently maintenance
- Wide range of applications because of compact and portable design
- Easy operated digital temperature control
- High efficiency
- Short waiting time for hot water
Hot water output is not so consistent.
>For Kitchen/Bathroom Sink Use<
This is actually a small point of use tank water heater, but as it is small enough, it can be perfectly installed under the sink for hand washing or dish washing. But it supports one sink only, not suitable for bathroom use.
Operation of it is super easy, you can just plug it into the outlet and there is no complicated machinery needed. Installation of it takes about an hour if you know basic knowledge. It can be wall hung or floor mounted either.
The maximum flow rate of the heater is 2.5 gallons per minute, capable of supporting constantly hot water for you. But the water temperature may not so stable in using period. Once open, it transfers hot water fast, shortens the distance between tap and heater, thus eliminates the long waiting time for hot water.
- Simple use
- Compact and light weight
- Easy installation
- Short waiting time for hot water
- Flawlessly hot water support
Lack of consistency in water temperature
The maximum flow rate of this mini tankless water heater is only 0.5 gallons per minute, thus it can be used for sink only. But it is still able to support constantly hot water for you thanks to its tankless design.
It has a flow control system, which means the temperature will adjust automatically according to the flow rate. Energy-efficient reaches as high as 99.8%, which means nearly no heating loss occurs in the whole process, saves up 60% on water heating costs each month.
It can be wall-mounted near the faucet or just install it underwater sink because of its small shape, among all the EcoSmart tankless water heaters, this is the smallest and lightest. But you need to know that it can not be used to run anything more than one sink a time.
- High energy efficient
- Save up 60% on water heating costs
- Small size and light weight
- Wide range of applications
- Flow control system
- Suitable for under sink use
Take a few seconds for hot water
This unit is another mini type of EcoSmart tankless water heater series, it stores up to 2.5 gallons of hot water per minute. And is able to supply flawlessly water for you no matter you are doing laundry or washing hands.
It is easy to be used, you can just plug it into 110v outlet. The appliance line cord is included in buying. You can use it as a helper to shorten the waiting time for the house system, just hooking it up to the hot waterside.
The pressure relief valve is also included, the installation is not so easy, if you lack basic knowledge of the plumbing, you can just find the professional to help you.
The compact shape enables you to install it wherever you want, it can be used for buffer and point of use both, meeting different demands of yours on hot water.
- Buffer and point of use available
- Pressure relief valve involved
- Plug into 110v outlet
- High energy efficient
- 2.5 gpm water flow
- Mini type for a small studio or under sink use
Difficult to install
The flow rate of this unit is 2.5 gallons per minute, so you can use it in the bathroom sink, kitchen station, garage, attic, RV and even on the boat. It is capable of providing constant hot water for you whenever you need.
The grass-lined tank offers great insulation and added durability to enable the long service life of the machine. Waiting time for hot water is largely shortened and less cold water is wasted in using period.
Thermostat control is equipped to adjust the water temperature automatically, once the temperature is over the limited range, the indicator lamp remains illuminated while the water is being heated.
It can be wall or floor mounted, you can just plug it into 120v outlet for using. 20lbs light weight enables you to install it anywhere you want.
- Easy to maintain
- External dial to control water temperature conveniently
- CSA listed temperature and pressure relief valve enhances safety
- Thermostat control system
- Easy installation
- Endless hot water
Types Of Point Of Use Tankless Water Heaters
Normally there are three installation spots for residential point of use tankless water heaters use, and according to each different applications, the types of which are also different. It is installed mostly for a shower, for washing machine and also for kitchen or bathroom sink. Here we will make details introduction of each type according to the using areas.
1. Point of use tankless water heater for shower
When the point of use tankless water heater is used for the bathroom shower, the flow rate is a bit larger, and it needs to be installed on the bathroom wall near the application fixture. With such an installation method, the distance between the heater and destination is shortened, so the waiting time is shortened to a large extent.
2. Point of use tankless water heater for washing machine
In daily life, the washing machine is also in need of hot water for cleaning, it is tested that only 2 loads of laundry per week use more than 5000 gallons of water per year. Therefore, tankless heater for the washing machine is able to save 2-5% on your water bills each month.
3. Point of use tankless water heater for sink
No matter you are washing hand in the bathroom, or washing dishes, doing laundries or do another cleaning with hot water on sink, point of use tankless water heaters will all support endless hot water for you. By installing a heater under the sink, you can enjoy the fast and flawlessly hot water.
The Best Point Of Use Tankless Water Heaters
- Rheem RTEX-13 240V Tankless Water Heater – Best one for shower
- Bosch Tronic 2.5-Gallon Mini-Tank Water Heater – Best tank type for under-sink use
- Ecosmart POU 3.5 Tankless Water Heater – Best one for hand washing or kitchen use
Point Of Use Tankless Water Heater Installation
Installation of point of use tankless water heater is not so difficult and is pretty straight forward. Once you have an outlet, you can just plug in and connect the supply line. The whole process takes about 1 hour only. The smaller units run on 120v, while large flow rate types run on 240v, so make sure you get a suitable outlet for it.
If you do not have enough knowledge of installation, please find a professional to help you. The performance of each tankless water heater is highly determined by installation, so pay more attention to it.
The best point of use tankless water heater will bring much convenience to your daily life, and you can also use it for outdoor traveling or camping. On selecting, you need to consider the actual needs and your budget and then choose the most suitable one.
|Tankless Water Heater||Best Type|
|Best one for shower||Rheem RTEX-13 240V Tankless Water Heater|
|Best tank type for under-sink use||Bosch Tronic 2.5-Gallon Mini-Tank Water Heater|
|Best one for hand washing or kitchen use||Ecosmart POU 3.5 Tankless Water Heater|
There are still many types of best-rated point of use tankless water heaters on Amazon, if you have interested in the item, please feel free to check it out freely on Amazon.