Best Electric Tankless Water Heaters of 2019 Complete Reviews with Comparison

Best Electric Tankless Water Heater Reviews

The conventional tank water heaters are not only a waste of space but also they consume a lot of electricity and are exorbitant in price. If you are looking to replace your water heater with something affordable that consumes minimal space then buying the best electric tankless water heater can be your best decision.

There are a plethora of options in tankless heaters like the gas-powered one but these are costly to operate and require a continuous supply of gas to function. On the other hand, electric heaters don’t require any gaseous source. They have the capability to satisfy the demand of hot water on the go.

But choosing a compact electric water heater isn’t an easy job. You need to look for multiple things to take out the best from your decision. In this article, we have covered each and every aspect that will assist you in making the best decision.

Top 5 Electric Tank Less Water Heater Comparison Chart


Eco Smart ECO 11 Electric Tank less Water Heater
Eco Smart 11 comes with a temperature display and saves a considerable amount of electricity. This product comes with a lifetime warranty.

Sio Green IR260 POU Electric Tank less Water Heater
Sio Green is an Infrared water heater that kills germs and keeps water hot. The product is compact and takes less space.

Rheem 240V Heating Chamber RTEX-13
Rheem RTEX-13 is easy to mount and has a durable copper element. The rate of flow is 1.5 gallons per minute. This water heater has a different knob with multiple temperature settings. It looks extremely appealing.

Stiebel Eltron 230628 240V
Atmor AT-905 It looks the basic but is a brilliant water heater. It comes with a temperature display and is easy to set up.

Atmor AT-905-11TB
Stiebel Eltron 230628 240 V- The device features multiple LEDs and a circular knob for the temperature adjustments. It has extremely eye-catching look and is ideal for modern bathrooms and kitchens.

Electric Tankless Water Heater Reviews

Let’s have a look at the detailed breakdown of the best electric tankless water heater of 2019.

1. Eco Smart ECO 11 Electric Tankless Water Heater

Eco Smart ECO 11 may look compact in size but it is a powerful electric water heater that can easily fit into any place and can bestow its purpose. The overall design of the heater looks amazing and makes it easy to use.

Product Highlights

Eco Smart is a prominent name in the best tankless electric water heater industry and has been manufacturing quality products for years. The functioning of this heater is quite easy and the fitting also doesn’t take a massive time frame when compared to tanked water heaters.

You will find the display at the front that shows the warmth of the water. With the circular knob, you can easily regulate the temperature as per your requirement. It means you do not have to wait for a longer duration to get extremely hot water.

The manufacturer claims that this equipment has the capability to save approximately 60% of the energy expenses you are spending on water heating. The heating capacity of this small yet elegant heater is 2 gallons per minute which is quite low but is not a major issue.

Eco Smart ECO 11 comes with lifetime warranty and is based on 240 volts which are a standard requirement. If you have fewer water requirements and want a compact water heater then going with this device will be rewarding for you.

What Do We Like About Eco Smart ECO 11?

We like the ease of water heating the knob can be used to adjust the temperature and you can get the perfect water temperature without waiting too much.

What We Don’t Like About Eco Smart ECO 11?

We do not like the water flow capacity. It delivers 2 gallons of hot water per minute whereas you can get 5-6 gallons of water from other electric water heaters.

Eco Smart Electric Tankless Water Heater

2. Sio Green IR260 POU Electric Tankless Water Heater

Another best tankless water heater electric version that is equally easy to operate is Sio Green IR260. This device also comes with a crisp display that helps in checking the water temperature. The overall design of the heater is basic and is easy to use even for the children.

Product Highlights

Sio Green IR260 is more than just a water heater. If you are dwelling in an area with impure water then this water has a cure for that. It comes with infrared technology that kills the germs and provides a hot and clean flow of water.

Unlike other water heaters, you will not find the metallic taste in water that ruins the whole water and makes it stinky. This device has a simple design and doesn’t require much maintenance. With the soft touch buttons provided on the front, you can turn on/off the device and can regulate the temperature. The interior of the device is coated with certain elements that avoid the water to establish direct contact with the quartz. So you do not have to unscrew the heater to clean the scale and sludge formed inside.

The temperature buttons are easy to use than the knob because you can set the exact temperature without getting in any kind of trouble. Sio Green IR260 provides a continuous flow of hot water and can be fixed for use in restaurants, laundries, kitchens, and bathrooms.

What Do We Like About Sio Green IR260?

We liked the ease of use and the continuous flow rate. You can get as much hot water you need. The two pipes are of different colors which make it easy to identify the inlet and outlet source.

What We Don’t Like About Sio Green IR260?

We were surprised to see the price. It comes at an exorbitant price. There are multiple models manufactured by Sio Green but all of them are a bit expensive.

3. Rheem 240V Heating Chamber RTEX-13

This best electric tankless hot water heater manufactured by Rheem is a quite popular device among the homeowners. RTEX-13 looks elegant and has a grayish tone which makes it perfect for every abode and professional kitchens.

Product Highlights

When it comes to accuracy Rheem RTEX-13 is a brilliant choice. The water heating equipment comes with a thermostatic knob that can be used to control the temperature of water. Just above the knob, there is a display for checking the reading of temperature.

This best electric tankless water heater has 1.5 GPM (gallons per minute) which is not too impressive. But when it comes to compactness RTEX-13 totally justifies every single penny spent on it. The product has basic installation and can be installed without the need of calling a plumber.

In the packaging, you will find a 3-foot long electric cord that terminates the need for any extensions. Rheem claims that their water heater is capable of saving electricity up to a huge extent and is manufactured to save water.

What We Like About RTEX-13?

The display delivers exact reading and the outer covering of the heater doesn’t get heated while it is turned on.

What We Don’t Like About RTEX-13?

The capacity of water is very less and it is not fit for most purposes.

4. Stiebel Eltron 230628 240V

Stiebel Eltron 230628 looks extremely appealing and is perfect for the modish bathrooms and kitchens. The device has multiple LEDs and a circular knob for adjusting the temperature. There is no display so you will not be able to look for the temperature reading.

Product Highlights

But the knob has several readings so you can set the temperature as per the readings. The flow rate of Stiebel Eltron 230628 is 1.5 gallons per minute which is the same as the water intake capacity and it means that there is very less wastage of water.

What do We Like About Stiebel Eltron 230628?

We liked the design it looks appealing and the LEDs are mounted for easy information.

What We Don’t Like About Stiebel Eltron 230628?

The flow rate of water is very low and can't be used to power multiple shower heads at the same time.

5. Atmor AT-905-11TB

The Atmor AT-905-11TB may not look much appealing but it bestows its duty properly. There is a small display provided o with the top right corner that helps the uses to identify the temperature. The flow rate you will achieve with this device is 1.7 gallons per minute.

Product Highlights

At the water inlet pipe, there is a switch to turn on and turn off the flow, which can be used to cut the supply when the device is not in use. Atmor AT-905-11TB is easy to install, just mount it and forget. The device is based upon basic 240 volts and doesn’t require any additional tools to function properly.

What do We Like About Atmor AT-905-11TB?

There is a display provided in this price range and we are impressed by that.

What We Do Not Like About Atmor AT-905-11TB?

We didn’t like the design, it doesn’t look much amazing.

Atmor AT-905-11TB Tankless Water Heater

Final Verdict

Having a best whole house electric tank less water heater is indispensable for every homeowner. These devices can provide a flow of hot water round the go without eating much space. Plus you can mount these heaters easily without much hassle. The best electric tank less water heater of these products is Sio Green IR260 which cleans the water and is free from calcium formations. On the other hand, if you are not looking to shell out huge bucks then settling down with Eco Smart ECO 11 can also be a great choice.

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