Small ELectric Tankless Water Heater Reviews

For some small tiny homes, 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:

Small Electric Tankless Water Heaters Reviews

On buying 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 provided several high quality and high performance types and made small electric tankless water heater review for you:

1. EcoSmart ECO 11 Electric Tankless Water Heater

EcoSmart Eco11, 18, 27 and 36 are the hot selling types of small electric tankless water heaters on the market of 2019.

small electric tankless hot water heater
small electric tankless water heater reviews

Features:

  • 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 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

Stylish compact design of this unit is able to save much space in your bathroom. You can install it wherever you want.

Pros:

  1. Digital temperature control
  2. Advanced self modulating technology
  3. Endless hot water provide
  4. Easily replacement elements
  5. Energy saving and money saving

Cons:

Water temperature is not stable


2. Bosch Tronic 2.5-Gallon Electric Mini-Tank Water Heater

small electric tankless hot water heater
small electric tankless water heater

Features:

  • 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 single sink, as supplying machine for existed water heaters that located from sink, and it can also be used as a buffer installed with tankless water heaters to reduce cold water sandwich.

Pros:

  1. Point of use tankless water heater
  2. Compact and light, install under the sink
  3. Simple use, just plug into the outlet, no complicated machinery
  4. Can be wall hung or floor mounted
  5. Fast recovery on hot water, eliminating the long time waiting for hot water
  6. Easy installation

Cons:

  1. Install it right near where you intend to use hot water
  2. Lack of consistency on water temperature


3. Sio Green IR260 Electric Tankless Water Heater

small electric tankless water heater reviews
small electric tankless water heater

Features:

  • 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 all together 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 water flow regulator, so you can gently turn the regulator to increase more temperature rise. ​

Pros:

  1. Corrosion free design
  2. Energy efficient
  3. Space saver in your bathroom or kitchen
  4. Patented technology
  5. 4 adjustable power levels

Cons:

Temperature range is a bit low


4. Marey ECO150 Tankless Electric Water Heater

small electric tankless water heater
small electric tankless hot water heater

Features:

  • Perfect for Southern America Use

This unit is able to support 2 simultaneously points of use in 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 98% efficiency level throughout their lifetime. It uses up to 60% less energy than conventional tank water heaters.

Pros:

  1. Endless hot water supply
  2. Suitable for tiny home use
  3. High quality stainless steel water channel and heating chamber
  4. Corrosion resistance heating element equipped
  5. Energy efficient

Cons:

Only one faucet or shower can be used at the same time and volume is limited


5. Ariston GL4S Electric Mini-Tank Water Heater

This is also a mini tank water heater, the appearance is quite the same as Bosch small electric tankless water heater we recommended before.

small electric tankless water heater
small electric tankless water heater reviews

Features:

  • 4 gallons 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 constantly hot water for your sink.

  • Short waiting time

This is a point of use tankless water heater, you can install it under 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 is needed for machine to heat up. The stylish compact size also meets the demand of tiny home use. You can use it as rv or camping tankless water heater too.

Pros:

  1. Easy to install
  2. Extend rv shower and hot water
  3. Endless hot water supply
  4. No hard wiring needed
  5. 6 years heat exchanger warranty

Cons:

Difficult to set the thermostat


Features Of Small Electric Tankless Water Heater

Pros:

1. Easy to carry

As it is designed small and compact, you can easily take it anywhere you want, whether for travelling, 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 are no large space for 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.

3. Cheap

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 of hot water, small type is the best choice for you.

4. Energy efficient

As the flow rate and power is 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.

Cons:

1. Low flow rate

3 gallons per minute is able to support one bathroom and one kitchen faucet simultaneously easily. And average flow rate of small electric tankless water heaters are 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, small electric tankless hot water heater is normally used for point of use. It can be installed under kitchen sink directly. If you have large family and intend to support multiple bathrooms or faucets, you may get a whole house electric tankless water heater.

3. Less powerful

Actually electric tankless water heaters are normally less powerful than gas or propane tankless water heaters, so small electric type is of course the least powerful type.

Top 3 Best Small Electric Tankless Water Heaters

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.

small electric tankless hot water heater
small electric tankless water heater reviews

FAQ:

1. How many water sinks the small electric tankless water heater supports?

It depends, for large flow rate types, they are able to support once 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 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 small or tiny home, it is able to support bathroom easily.

However, the most suitable place for those small electric tankless water heaters are for rv or for camper. Some of them can be used and installed only under kitchen or bathroom sink for hand washing only. If you have problem on detailed usage, you may ask the manufacturer.

Summary:

Tankless Water Heater Best Type
EcoSmart ECO 11 Electric Tankless Water Heater Small and compact one for tiny home use
Bosch Tronic 2.5-Gallon Electric Mini-Tank Water Heater Perfect for under sink use
Marey ECO150 Tankless Electric Water Heater High energy efficient type

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.