For some small tiny homes, the small electric tankless water heater can really save much space for you. The flow rate is not so large, able to meet the basic demand of taking a bath or doing laundries.
Compared with large tankless water heater, it is designed simple and easy to install, and of course, saves much energy and electric bills for you. If you have trouble in finding the best small electric tankless water heater, just read the reviews we made for you as follow:
Best Small Electric Tankless Water Heaters in 2019
|EcoSmart ECO 11||4.8|
|Bosch Tronic 2.5-Gallon||4.8|
|Sio Green IR260||4.7|
|Ariston GL4S Electric Mini-Tank||4.5|
Small Electric Tankless Water Heaters Reviews
On buying a small electric tankless water heater, you need to make sure the designed flow rate meets the demand of yours. If used for multiple bathing, large or whole house electric tankless water heater is more suitable. Here we will provide several high quality and high-performance types and made small electric tankless water heater review for you:
EcoSmart Eco11, 18, 27 and 36 are the hot-selling types of small electric tankless water heaters on the market of 2019.
- Perfect for tiny or small home
Eco 11 series is the least powerful electric tankless water heater in its product lines. It provides two gallons of water per minute and is optimal for the weather of 67 degrees F or above. It is able to handle two sinks or one sink and one shower the same time.
- Self-modulating technology
This unit is able to save 50% in heating loss, for it turns on only when you need water. And it is capable of adjusting how much energy is needed to be input according to the demanded hot water.
- Compact design
The stylish compact design of this unit is able to save much space in your bathroom. You can install it wherever you want.
- Digital temperature control
- Advanced self-modulating technology
- Endless hot water provide
- Easily replacement elements
- Energy-saving and money-saving
Water temperature is not stable
- Mini tank for point of use
This small electric tankless water heater is a mini type tankless water heater, the flow rate of it 2.5 gallons per minute. Suits the need of two sinks the same time or one shower and one sink simultaneously in hot weather or southern area.
- Short waiting time for hot water
If you intend to shorten waiting time for hot water, you can just install it under the water sink for kitchen faucet use only. The waiting time for hot water is just tow or three seconds, largely saved energy and water bill.
- Multiple applications
This unit can be used as a sole water heating source for a single sink, as supplying machine for existed water heaters that located from the sink, and it can also be used as a buffer installed with tankless water heaters to reduce cold water sandwich.
- Point of use tankless water heater
- Compact and light, install under the sink
- Simple use, just plug into the outlet, no complicated machinery
- Can be wall hung or floor mounted
- Fast recovery on hot water, eliminating the long time waiting for hot water
- Easy installation
- Install it right near where you intend to use hot water
- Lack of consistency in water temperature
- No corrosion
In creating hot water, this tankless hot water heater has no direct contact with the metal, thus it perfectly protects the material and gets no corrosion on the heating machine.
- 4 adjustable power levels
There are altogether 4 adjustable power levels you can choose, you can easily get the one that suits your home. The current can be adjusted from 10 to 30 amps resulting in 1.5kw to 6kw of water.
- Easy operated digital control
Water temperature can be displayed on the LCD screen. There is also a water flow regulator, so you can gently turn the regulator to increase more temperature rise.
- Corrosion-free design
- Energy efficient
- Space saver in your bathroom or kitchen
- Patented technology
- 4 adjustable power levels
- Perfect for Southern America Use
This unit is able to support 2 simultaneously points of use in the Southern part of America, or other warm areas. The designed flow rate is 3 gallons per minute, while in cold regions, it is able to deal with 1.3 GPM only, supporting sink use only.
- Easy operated LCD panel
With smart technology of LCD panel, water temperature shows on the screen and you can simply adjust it.
- Energy efficient
Marey’s ECO line also helps maintain a 98% efficiency level throughout their lifetime. It uses up to 60% less energy than conventional tank water heaters.
- Endless hot water supply
- Suitable for tiny home use
- High-quality stainless steel water channel and heating chamber
- Corrosion resistance heating element equipped
- Energy efficient
Only one faucet or shower can be used at the same time and volume is limited
This is also a mini-tank water heater, the appearance is quite the same as Bosch small electric tankless water heater we recommended before.
- 4 gallons of water flow
Though being a mini tankless water heater, the flow rate of which is quite large, being 4 gallons per minute. It is able to support multiple kitchen sinks use the same time. And is able to provide constant hot water for your sink.
- Short waiting time
This is a point of use tankless water heater, you can install it under a kitchen or bathroom sink directly, so the waiting time can be quite short. You can either install the heater independently or in-line with a larger heating source.
- Perfect one for compact space
120 volt and 1500 watt are needed for the machine to heat up. The stylish compact size also meets the demand of tiny home use. You can use it as an RV or camping tankless water heater too.
- Easy to install
- Extend RV shower and hot water
- Endless hot water supply
- No hard wiring needed
- 6 years heat exchanger warranty
Difficult to set the thermostat
Features of Small Electric Tankless Water Heater
1. Easy to carry
As it is designed small and compact, you can easily take it anywhere you want, whether for traveling, camping or intend to get it installed on RV. The installation of it is also quite simple, takes about only 1 hour to hook it up if you have basic skills or knowledge on it.
2. Space Saver
Many people may have lots of stuff at home, or have a small bathroom, then there is no large space for a tank water heater or normal size tankless water heater. Under such circumstance, you will need a small electric tankless water heater, it saves large space of your home.
Small electric tankless water heater price is relatively low, and sometimes twice cheaper than large tankless water heaters. If you are short of budget and have less demand for hot water, the small type is the best choice for you.
4. Energy efficient
As the flow rate and power are quite low, small electric tankless water heater uses less energy than other types, so it is more energy-efficient and saves much on heating bills.
1. Low flow rate
3 gallons per minute is able to support one bathroom and one kitchen faucet simultaneously easily. And the average flow rate of small electric tankless water heaters is normally around 2.5 gallons per minute. It suits small or tiny home use only.
2. Perfect for point of use
Because of its stylish compact shape and low flow rate, the small electric tankless hot water heater is normally used for point of use. It can be installed under the kitchen sink directly. If you have a large family and intend to support multiple bathrooms or faucets, you may get a whole house electric tankless water heater.
3. Less powerful
Top 3 Best Small Electric Tankless Water Heaters
- EcoSmart ECO 11 Electric Tankless Water Heater – Small and compact one for tiny home use
- Bosch Tronic 2.5 Gallon Mini-Tank Water Heater – Perfect for under-sink use
- Marey ECO150 Tankless Electric Water Heater – High energy efficient type
Application of Small Electric Tankless Water Heater
You can use it for small or tiny home bathing, kitchen sink use, camping, RV (recreational vehicle), animals such as dogs and horses bath, etc.
1. How many waters sink the small electric tankless water heater supports?
It depends, for large flow rate types, they are able to support once the bathroom and one kitchen faucet easily. And if for extremely slow flow rate water heaters, they support two kitchen faucets only.
And it also depends on the regions you are in and hot water demanded. There are many ways of sizing on Amazon, you can find the most suitable one by following the sizing instructions.
2. Can the small electric tankless water heater be used for the bathroom?
The flow rate and power are normally quite weak, we do not suggest you use it as whole house tankless water heater, but for a small or tiny home, it is able to support the bathroom easily.
However, the most suitable place for those small electric tankless water heaters is for RV or for the camper. Some of them can be used and installed only under the kitchen or bathroom sink for hand washing only. If you have a problem with detailed usage, you may ask the manufacturer.
|Best Type||Tankless Water Heater|
|Small and compact one for tiny home use||EcoSmart ECO 11 Electric Tankless Water Heater|
|Perfect for under sink use||Bosch Tronic 2.5-Gallon Electric Mini-Tank Water Heater|
|High energy efficient type||Marey ECO150 Tankless Electric Water Heater|
The small electric tankless water heater is the perfect one for tiny and small room use. Price of them are relatively low and you can easily install it by yourself. There are still many types of excellent small electric tankless water heater on Amazon, if you have any other problems or intend to get more information on them, please feel free to check out on Amazon.