EcoSmart Eco 8 Electric Tankless Water Heater

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If you’re looking for a high-efficiency electric tankless water heater, small in dimensions and capacity, this EcoSmart Eco 8 could be one you’re looking for. You definitely should look at the EcoSmart Eco 8 Electric Tankless Water Heater. This unit has 8 kW at 240 Volts with Patented Self Modulating Technology. It is one of the newest EcoSmart tankless water heater series, delivering some great features.

EcoSmart tankless water heater eco 8
EcoSmart Eco 8

This electric water heater has a patented self-modulating technology that no other water heater has. This feature is designed by the EcoSmart company. If you decide to buy their electric water heater, no matter what model, you’ll get a lifetime warranty for residential use. By using an EcoSmart electric tankless water heater, depending on the model you’ve chosen, there is no fear of running out of hot water.

The model we are describing in this post is EcoSmart 8 KW Electric Tankless Water Heater. This is the smaller in the whole series of EcoSmart units, intended to be used in small apartments and homes with small requirements for hot water.

EcoSmart Eco 8 dimensions LxWxH: 12 x 9.5 x 4 inches. This is a compact unit, and it is easy to install.

This unit is delivering an 8-kilowatt which is ideal for providing hot water for a bathroom, small sink, office breakroom, and other point-of-use or low-flow applications. EcoSmart Eco 8 can provide between 0.8 and 1.9 GPM (gallons per minute) depending on the inlet water temperature.

It is small, lightweight, and really easy to install. Still, keep in mind that the warranty is valid only if professionals do the installation.

Eco 8 comes with remote control, which makes it easy to adjust the heat of the water. You don’t need to go to the addict or into your basement to make temperature adjustments. With the price of this heater, and the warranty offered, this is a water heater that will be perfect in any home.

How to select an appropriate electric tankless water heater?

To select the best solution for your hot water needs, please refer to the sizing guide. With EcoSmart you will be happier knowing the warm water you expect is available endlessly, consistently, and on-demand, allowing you to reduce your water and energy waste. Now that feels warm all over! EcoSmart – Sharing the Warmth.

EcoSmart Eco 8 sizing guide
EcoSmart Eco 8 sizing guide

First, you need to determine your average inlet water temperature. That way you can determine how well your unit will perform in your desired location. A lower inlet water temperature will require a higher kilowatt product.

After being done the previously described step, you will determine how many applications your unit can run simultaneously at your chosen location inlet water temperature. Tankless electric water heaters are sized for maximum simultaneous use, not maximum fixtures in your home.

Finally, you need to determine specifications and electrical infrastructure, which is important because without the correct infrastructure your unit may not fit into your breaker panel.

If you need something with higher power output, check for Eco 27 or maybe Eco 36 tankless electric water heater.

Warranty Description: ‎Lifetime Warranty on electronics, exchanger, and element. Warranty only covers the cost of the heater; does not cover labor or any incidental damages.


This is one of the best electric tankless water heaters on the market, with the best features in its category. Features that will ensure that you have one of the top-rated energy-efficient water heaters in your home. Patented self-modulating technology ensures that you don’t run out of hot water again. With this energy-efficient water heater, you can save up to 60% of your water bill at the end of each month.

The water heating elements inside are made from copper and stainless steel. This is to make sure that the water heater is durable and long-lasting. It also offers digital temperature control for selecting the perfect heat for your needs.

EcoSmart Eco 8 features

  • Saves nearly 12 Cubic Feet of Storage Space in your home. The only thing that you will need extra is the wire for installation
  • It has a weight of 4.75 pounds and the size of the water heater is 12 x 9.5 x 4 inches.
  • It uses 240 volts and has a wattage of 8000 watts
  • Nothing else is included in the package of the water heater
  • Lifetime warranty on residential use, but no warranty on installation and accidental damage
  • Comes with a remote control for easier water temperature adjustments

EcoSmart Eco 8 Review

The EcoSmart Eco 8 Energy Efficient Tankless Water Heater is suitable for residential use. It is a one-of-a-kind heater, specially designed to provide maximum quality at an affordable price.

This unit is small, lightweight, and really easy to install. Before installing, make sure that you are purchasing everything you need for the installation separately.

EcoSmart Eco 8 electric tankless water heater has 8 KW output at 240 Volts with integrated and patented Self Modulating Technology. It is one of the most popular electric tankless water heaters in the US market today. This unit is a great option to have if you are living in a small home or apartment where size is always an issue. The price is great, the features are unique and you are going to get a lifetime guarantee.

A remote control

The remote control is something we liked the most. This water heater comes with remote control. Now, if you buy this unit, you can easily set the water heater temperature no matter in what room you’re currently in. There is no need to go to the attic, or into the basement to set the temperature of the water heater again.