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Home Electric Water Heaters EcoSmart Eco11 Electric Tankless Water Heater Review

EcoSmart Eco11 Electric Tankless Water Heater Review

EcoSmart Eco11 Electric Tankless Water Heater Review

Tankless water heaters can provide many benefits to your home. These clever units take a step away from the hassle of running a constant hot water tank. Rather, they supply endless hot water on demand. The Ecosmart Eco 11 Electric tankless water heater is a smart choice for anyone wanting to save on energy.

When sized correctly, this electric water heater can be an excellent addition to any home. It is powerful, convenient and much more environmentally friendly than traditional tank heaters. Let’s take a deeper look into this product and the various benefits that it has to offer.

About The Ecosmart Eco11 Tankless Water Heater

This model is one of the smaller tankless water heaters supplied by this brand. This makes it the perfect model to use in an apartment or smaller point-of-use application. The heater is designed to heat up to 2 gallons of water per minute. As long as this flow rate is suitable for your space, then it can be an excellent choice.

Being a tankless unit, this appliance heats up an endless supply of hot water on demand. This is done through its patented self-modulating heating technology, which is a smart function that allows the unit to control its energy output to ensure optimal water heating. This means that less power is used to control it. In fact, Ecosmart heaters are 99.8 % energy efficient. This product also runs on a uniform energy factor of 0.98.

This particular model works best when used in locations with temperatures of 67°F or more. Depending on the climate, it can be used for multiple or single applications. In warmer climates, it can power incoming water for two sinks and one shower running simultaneously. In colder weather, it would work best just running two sinks at once.

The unit itself is slim, sleek and very efficient for its size. If you are in a smaller space and do not have major hot water requirements, then this unit would be an excellent choice. Thanks to its environmentally friendly properties, your home will definitely benefit from this Ecosmart tankless water heater.

Stand Out Features

Interested in finding out more about this Ecosmart water heater? Take a look at the breakdown below of some of the product’s stand out features and design elements.

An Electric Tankless Heater

The first thing to note is that the Eco11 is a electric tankless water heater. With so many different styles of water heaters to choose from, it’s important to consider which type will work for you and your home.

This tankless unit will be able to provide an endless supply of hot water. Unlike traditional tank models, there is no restriction to volume on this unit. As long as the flow rate of incoming water is suitable for your home, then the hot water will never end!

Tankless models are also much more compact, and energy-efficient. This makes them a great choice for anyone who wants to run a more sustainable eco-friendly household.

Self Modulating Technology

Ecosmart water heaters come equipped with their own patented self-modulating technology. This design allows the units to always control their energy output in order to ensure optimal water heating.

Instead of having to keep a tank of water hot throughout the day, this tankless model only uses power when water is needed. This self-modulating system means that the unit only uses the exact amount of power that is necessary. There is no excess energy use or wastage here. Not only is this more economical over the long run, but it is also better for the environment.

Ecosmart is a brand that has become known for its use of clever technology in order to produce more sustainable products. This self-modulating technology with this brand is a great example of this.

Flow Rate

When it comes to tankless water heaters, the flow rate is very important. This is the one thing that can restrict your water usage and the amount of hot water available. As long as the rate at which this unit can heat water is suitable for your space, then you will never run out of hot water.

Efficiently the Ecosmart eco 11 will heat 2 gallons of water per minute. This is pretty standard for a tankless electric heater of this size. This flow rate is suitable for an apartment or smaller space. It can also make for an excellent point of use system.

Energy Efficiency

Possibly the most attractive feature is its amazing power saving functionality. This standout design feature makes this product an excellent choice for anyone wanting to watch their carbon footprint. It can also dramatically decrease your electric bill.

As mentioned above, this unit will only turn on when you need hot water – instead of running the whole day. The tankless heater also doesn’t lose any heat. This means that this product can save you up to 50% on heating costs. The SioGreen IR260 infrared is similar to the efficiency of the Ecosmart.

Easy Controls

Water heaters are often bulky, ugly appliances that you want to keep out of sight. This brands design is different though – with its sleek and simple wall-mounted design. This Eco Smart 11 has a simple control panel on the front, which allows you to easily manage the system.

The screen shows you the exact water temperature that the unit is running. This unit can easily be adjusted with the convenient dial on the front.

Convenient Size

Another reason why this smart water heater is such a good idea for apartments; is its small size. This unit can be wall-mounted just about anywhere. The entire product is slim, compact, looks great, and can easily be incorporated into practically any space.

What We Like

  • Can save up to 50% in heating costs
  • A compact and space-saving design
  • Easy to use temperature gauge
  • The elements are easily replaceable
  • Limited lifetime warranty
  • Easy to install
  • Can supply an unlimited amount of hot water

Minor Drawbacks

  • Does not provide a very high volume of hot water simultaneously from separate outlets
  • The unit can be limited by its flow rate
  • Heating elements may require regular maintenance

How To Use This Ecosmart eco11 Water Heater


EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

This is a powerful and efficient little heater if used correctly. Below are a few guidelines to consider when using this appliance.

Electrical Requirements

This model is an electric water heater. This means that it will involve specific electrical requirements when installing the unit and it needs a power source of 240 volts or 13,000 watts.

Luckily, it is very easy to use and install. The first step is to just make sure that you have a water inlet, outlet, and electrical point where you want to install the unit.

Water Flow

As mentioned earlier, sizing a tankless water heater to your water flow requirements is crucial. If your hot water needs are larger than this appliance can produce, then the water supply will be limited. This Ecosmart Eco 11 model is designed to handle 2 gallons of water per minute.

When using the heater, make sure that you do not exceed this flow rate. As long as you use 2 gallons or less a minute, your supply of hot water will not be interrupted.


One of the great benefits of using this appliance is how easy it is to control. The unit has a sleek white face with a simple digital temperature control. This can be adjusted using a silver dial. Thanks to the smart self-modulating technology, the heater will only use the minimum amount of energy required for the water temperature it’s set at.

This digital control panel makes the heater easier to manage. From maintenance to just seeing how hot the unit is running, this simple control system will really come in handy.


EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology


Tankless Hot Water Design

The Ecosmart heats water on demand, as you need it. Simply turn on the tap and the water will run through the instant heating system. No tank or pre-heated water required!

Similar On The Market – Rheem RTEX 13

If you are looking for a fantastic product to compare the Ecosmart Eco 11 to, then be sure to consider the Rheem RTEX-13 electric tankless water heater. This unit works very similarly to the Ecosmart product due to them both being compact, electric tankless models.

The Rheem RTEX 13 also features an accurate digital temperature control face. Just like the Eco 11, this unit has awesome energy-saving capabilities. This unit only runs when you use it, reducing your electric bill significantly.

Although this unit is also very small and compact, it is designed for higher use than the Ecosmart product. It has a flow rate of up to 3.17 gallons per minute – making it the best water heater for slightly larger households. To check out our full review of the Rheem RTEX 13.

Final Thoughts

If you are looking at going the tankless route with your water heater, the Ecosmart Eco11 is a brilliant choice. As long as this heater is sized correctly, it will be an excellent addition to your home. The major benefit of this product is its energy-saving capabilities. However, the unit is also fast, efficient, and easy to incorporate into your home.

This is not a high volume water heater and is not a smart choice for families or large homes. However, for those with smaller hot water needs, this Ecosmart Eco 11 will tick all of the right boxes. This is especially true for those looking for a more eco-friendly solution to hot water on demand.

Prices pulled from the Amazon Product Advertising API on:

See also the Ecosmart eco 27 electric review.

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