EcoSmart Tankless Water Heater Reviews

EcoSmart is one of the leading brand in tankless water heater markets in 2019. Most of the products of its are electric tankless water heaters. All the best selling products of EcoSmart tankless water heaters include Eco 11, Eco 18, Eco 27 and Eco 36 series. We will later discuss each of them in detailed.

About EcoSmart

EcoSmart, as its name suggest, aims to provide energy efficient and smart technology tankless water heaters for people from all over the world. The key focus of EcoSmart is the area of water heater. It builds up a complete producing line in designing and producing high technology tankless water heater both for residential and commercial appliance. It also builds solid distribution line throughout the western hemisphere.

All the tankless water heaters from EcoSmart are ETL Certified to UL 499, which means it passed the strict North American safety standard and is capable of providing safe and high quality tankless water heaters. EcoSmart is also the only brand for tankless water heaters that certified through FIDE, it is a Mexico based organization, aims to offer programs and projects of high quality and innovation, as well as generate economic, social and environmental benefits to the country.

eco tankless water heater reviews
eco tankless water heater

EcoSmart Tankless Water Heaters Reviews

EcoSmart tankless water heaters are frequently praised by their high energy efficient and brilliant quality by customers. Among them the most hot selling hot water heaters are Eco 27 tankless water heaters. Besides, there are still some other worth recommending.

So we pick the 3 best EcoSmart tankless water heaters for you and made detailed reviews for you as follow:

1. EcoSmart Eco 27 Electric Tankless Water Heater

This is an electric tankless water heaters, and requires 27kw at 240 volt electric power. The temperature range is among 80 to 140 degree F.

ecosmart eco 27 electric tankless water heater
ecosmart eco 27 electric tankless water heater reviews


  • Work for whole home

Flow rate of it reaches up to 6 gpm in warm places while it reduces to 3gpm in cold weathers. It supports two shower use simultaneously, therefore is suitable for small or tiny home use. It is capable of providing endless hot water in using.

  • Self modulating technology

With such technology, the tankless heater only heats water when you are using, thus there is no standby heat lost and saves much energy for you. EcoSmart boasts that it is able to save about 50% in water heating cost, and it proves to be right according to customers’ feedback. An the most brilliant thing on EcoSmart tankless water heater is its 99.8% energy efficient, which is really a high environmental friendly product and saves large amount of heating bills for you.

  • Digital control system

The water heater temperature is set by the clear operation digital control panel, water temperature and error codes show on for convenience and safe using. You can easily adjust increment 1 degree F a time, and thus perfectly find the most suitable one for your home use.

  • Small shape

This unit is designed simple and suits different decorations of your home. It is so small that can be used for point of use tankless water heater. It is 90% smaller than tank water heaters and also far smaller than other brands of tankless water heaters on the market. You can install it anywhere you want or just near the using spot, so you do not need to waste much time and water for hot water flowing. It is also capable of saving 12 feet cubic after installation.

  • 20 years using time

EcoSmart tankless water heaters are said to last 20 years, it adopt either copper and stainless steel as heat exchanger materials. While normal service life of other tankless water heaters are 10-12 years, 20 years long using time is really a great attractive. And because no water is storage as tank water heaters do, there is no risk of corrosion for heaters.


  1. Energy saving
  2. Space saving and money saver
  3. Self modulating high technology adopted
  4. 1 degree F increment of water temperature
  5. Digital control system
  6. Well made heating elements


  1. The temperature of water can not be set right as EcoSmart promises
  2. Disappointed service

2. EcoSmart Tankless Water Heater Eco 36

This tankless water heater is also powered by electric. And it is regarded as the most powerful model in the line of EcoSmart tankless water heaters.

ecosmart eco 36 36 kw 240v electric tankless water heater reviews
eco 36 tankless water heater reviews


  • Endless hot water

It is able to provide 3-8 gallons hot water per minute, heat up 3.5 gallons of water in cold weather or cold areas, and offer 6-8 gallons per minute in warm areas. It supports one bathroom and one sink easily, perfect for large scale single family. But if you intend to use three or four bathroom simultaneously, you’d better get another brands.

  • Easy installation

This unit is super easy to install, and you can install it totally by yourself. As you know, the cost of professional installation can really be a large budget burden, this is able to help save much money for you. Because of its small shape, it is able to reduce 12 feet cubic after installation. You can perfectly install it wherever you want.

  • Digital temperature control

The temperature of water is shown on the panel, you can increase 1 degree a time, thus is able to find the most suitable one for your home. The maximum temperature is up to 150 degree F. But most people complains that it is unable to set as right as it promises.


  1. Relatively large flow rate for single family
  2. Able to choose exact water temperature you want
  3. Self modulating control
  4. Energy efficient
  5. The most powerful one among other EcoSmart tankless water heaters
  6. 150 degree F hot water supply


You need to get a 150A dedicated system

3. EcoSmart Eco-11 Electric Tankless Water Heater

This unit is not so powerful as the above two, and temperature range is also small, but it is more portable and suitable for tiny home use.

ecosmart eco 11 electric tankless water heater review
ecosmart 11 tankless water heater reviews


  • 2 gallons hot water supply

It only provides 2 gallons hot water per minute, thus if you intend to get one water heater for large family use, you may get another types. The temperature it bears reaches only 67 degrees F.

  • Energy efficient

Though designed as small gallons and low flow rate tankless water heater, this is also equipped with self modulating technology, it heats water up only when you need it. So it helps to save about 60% of electric bill. When something wrong happened on the heating exchanger, lifetime warranty of manufacturer helps change and fix for you.

  • Resettable thermostat

Digital temperature control console is designed simple and convenient to use, it also enables you to reset it and forget it again and again, thus you can choose the most suitable one for your home.

  • Portable

It weights so light that you can even use it for traveling or for RV. The small shape of it saves much space whether you install in the bathroom or just install near sink.


  1. 2 gallons per minute hot water supply
  2. Automated resettable thermostat
  3. Compact
  4. 60% energy saving
  5. Perfect for tiny home use


The temperature of water is not so stable, turns from hot to cold for several times in using

Technology of EcoSmart

1. Patent self-modulating technology

All the EcoSmart tankless water heaters are designed to activate at 25 gpm, and Flow Sensor Technology is also adopted with POU models, the Flow Sensor Technology is used to modulate the consumption to meet the demand of hot water.

As is known to us, most tankless water heaters on the market are operated through a flow switch, it is pushed to activate the unit when enough hot water is demanded. But when demanded hot water is too low to reach the activated limit, it may not be activated, or the hot water is not enough especially in cold weather, and that is the main problem of other tankless water heaters on the market nowadays.

With self-modulating technology, EcoSmart is able to save up to 50% of electric heating bills compared with other storage tank.

2. Digital temperature control

EcoSmart tankless hot water heaters are equipped with digital temperature control, which shows accurate temperature on. The digital control enables you to reset, you can adjust increment of 1 degree F a time, the average temperature ranges from 80 degree F to 140 degree F.

3. Copper & stainless steel heat exchangers

All tankless hot water heaters from EcoSmart are made either by copper and stainless steel materials. The brass top on those elements prevent electrolysis. And thanks to highly corrosion resistance performance of copper and stainless steel, they have longer service life and last long than other materials. One thing worth mentioning is that EcoSmart tankless water heaters are able to provide 99.8% energy efficiency, which is the highest among the whole water heaters market.

ecosmart gas tankless water heater
ecosmart electric tankless water heater reviews

EcoSmart Electric Tankless Water Heater

As EcoSmart is especially famous for its electric tankless water heaters, it put much their energy on producing high efficiency and energy saving electric heaters. If you want to get a powerful and cost effective EcoSmart tankless water heater for residential use, we would like to recommend Eco-27 electric tankless water heater for you.

EcoSmart Eco 27 Electric Tankless Water Heater

ecosmart eco 27 electric tankless water heater
ecosmart eco 27 electric tankless water heater reviews

This is the best selling and hot demanded tankless water heaters among the whole market in 2019. The flow rate of the unit is 6 gallons per minute, though not so large, but is perfect for middle size home use. Temperature range is among 80 to 140 degrees F. Patented modulating technology is perfectly performed on the machine, it saves up to 50% for heating bills and 99.8 high energy efficient definitely makes it a best choice for you.

EcoSmart Gas And Propane Tankless Water Heaters

As we have introduced before, Ecosmart is a leading brand on producing electric tankless water heaters, so we do not introduce gas and propane tankless water heaters of EcoSmart for you. If you have interest, you can check more on official website of EcoSmart.

Besides, there are many other leading brands on producing high performance natural gas or propane tankless water heaters such as Noritz and Rinnai etc. We have made clear reviews on each of the brands, and also there are detailed natural gas tankless water heaters reviews and also propane tankless water heaters we made for you, please feel free to take time on finding the most suitable one for you.

Last Words on EcoSmart Tankless Water Heaters…

EcoSmart tankless water heaters are mainly focus on energy efficient, the manufacturer successfully reach the energy rating of its products to 99.8%, which is the highest among the tankless water heaters market. But flow rate and power are relatively low, therefore, it is not a perfect choice for large family use.

If you intend to get one for travel or of a compact size, then you get the best brand. Because all the hot selling and wide praised tankless water heaters of EcoSmart are electric power, it reduces the necessary of installing venting kit and has less pollution compared with gas and propane tankless water heaters. When you are short of gas line at home, then you can get an electric type.

EcoSmart provides limited lifelong warranty for its heating exchangers, and service life of its products are relatively long.

To Sum Up

Tankless Water Heater Best Type
EcoSmart Eco 27 Electric Tankless Water Heater Best selling type
EcoSmart Tankless Water Heater Eco 36 Most powerful type
EcoSmart Eco-11 Electric Tankless Water Heater Best one for tiny home use

If you still have trouble in finding the most suitable one or want to know more about the price and detailed information, you can contact us or just check on Amazon, there are also large deals on Amazon from time you time, so you can save much money on it.