Search

*Disclaimer: Tossions earns a commission from qualifying purchases.

The 8 Best ecosmart tankless water heater of 2024

Are you trying to find ecosmart tankless water heater among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling ecosmart tankless water heater on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 29 hours of research and did 27 ecosmart tankless water heater tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best ecosmart tankless water heater you can buy today

SaleNo. 1
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches 
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50% in water heating costs according to the Department of Energy
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
  • Required Breaker Quantity: Three 40 Amp Double Pole
  • Recommended Electrical Panel: 200 Amps
  • NEVER run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water
No. 2
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology , 17 x 14 x 3.5
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
  • Lifetime warranty for residential use
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • 75 A
SaleNo. 3
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.Amperage Draw : 54 A.Special Features: ‎Energy Efficient
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
SaleNo. 4
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A
  • 150 A
SaleNo. 5
EcoSmart ECO 8 Tankless Water Heater, Electric, 8-kW - Quantity 1, 12 x 8 x 4
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
No. 6
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5
  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • 100 A
No. 7
EcoSmart POU 6T 6.5kW 240v Thermostatic Point of Use Tankless Electric Water Heater
  • Perfect fit to provide hot water for point-of-use or low-flow applications.
  • Consistent, on demand hot water when you need it that never runs out.
  • Save Energy - EcoSmart POU 6T only heats water when being used unlike a standard tank.
  • Save Space - 90% smaller than a traditional tank and great for point of use installation.
  • Backed by a 5 year limited warranty, 1 year parts.
SaleNo. 8
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch
725 Consomer Reviews
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT
  • Max temperature rise @ .5 GMP is 47.8°F Max temperature rise @ 1GPM is 23.9°F Max temperature rise @ 1.5 GPM is 15.9°F
No. 9
EcoSmart Element ECOS 12 Tankless Electric Water Heater, 12 kW at 220 Volts, 54 Amps with Self Modulating Technology
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Energy; EcoSmart Element tankless electric water heaters are up to 96% thermal energy efficient; heats water on demand unlike a tank heater that maintains water temperature even when not being used.
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • EcoSmart Element 12 Sizing; 12-kilowatt tankless electric water heaters are ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature
  • Warranty, five (5) years limited on leaks, one (1) year parts
No. 10
Ecosmart POU 6 Point of Use Electric Tankless Water Heater, 6 KW, 1/20, 1/40, 1/95, White
  • Designed for single point-of-use applications such as hand sinks in RVs, boats, restaurants, hotels, and medical offices requiring low flow rates not exceeding 1 GPM
No. 11
EcoSmart Element ECOS 18 Tankless Electric Water Heater, 18 Kw at 240 Volts, 75 Amps with Patented Self Modulating Technology
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 19 x 4.25 x 9.25 inches
  • EcoSmart Element 18 Sizing; 18kw tankless electric water heater ideal for providing hot water for a bathroom, small sink and other point-of-use/low-flow applications; provides between 1.8 and 4.3 gallons-per-minute depending on the inlet water temperature
  • Warranty, five (5) years limited on leaks, one (1) year parts
SaleNo. 12
EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology
  • Flow Activation
  • Eco smart Pool Heaters are compact and easy to install for a new or existing pool
  • Set your temperature digitally to increments of 1-Degree. Set it and forget it.
  • Compatible with Eco smart Remote Control. Activation Flow - 12 +/- 2 GPM
  • Can be used as an alternative to or booster to heat pump.
  • wattage: 27000.0
No. 13
Tankless Water Heater 5.5kw 240V, ECOTOUCH Point-of-Use Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,White
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.
No. 14
EcoSmart Element ECOS 27 Tankless Electric Water Heater, 27 kW at 240 Volts, 112.5 Amps with Self Modulating Technology
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Energy; EcoSmart tankless electric water heaters are 96% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 19 x 4.25 x 9.25 inches
  • EcoSmart Element 27 Sizing; 27-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 2.7 and 6.6 gallons-per-minute depending on the inlet water temperature
  • Warranty, five (5) years limited on leaks, one (1) year parts
SaleNo. 15
Ecosmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • Configured for climates where incoming water temperatures are in the 60 deg
No. 16
Stiebel Eltron Tempra Plus 29 kW, tankless electric water heater with Self-Modulating Power Technology & Advanced Flow Control ™
  • Proven reliability
  • No venting required
  • Sleek design fits anywhere
  • Save at least 15-2% on the hot water portion of your electric bill
SaleNo. 17
Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater
771 Consomer Reviews
Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater
  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Stores up to 2.6 Gallons of water to supply hot water. Easy installation requires appliance line cord included plug. Requires no venting, unit can be installed directly at the point-of-use
  • 12 A
No. 18
Tankless Water Heater Electric 6.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,Black
  • 【Electric Water Heater on Demand】Applied with 6.5kW heating system, the instant water heater electric ECO65 supplies instant, sufficient and endless hot water of 110℉ or higher temp in seconds, no waiting for preheating nor terrible temp fluctuation, perfect companion for sink faucet. Time to get rid of those 110V "lukewarm" toys.
  • 【Smart Self Modulation】The tankless water heater electric ECO65 adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the smart instant hot water heater when water flow is reduced, thus, you get still ideal temperature instead of scalding hot, comfortable experience for sure. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【Simple Tankless Water Heater】The electric tankless water heater ECO65 comes with digital display & touch control panel so temp setting is easy job, you needn’t go through hard lesson of getting full understanding of working status of the 240v water heater tankless. Now turn on the faucet and let the smart tankless hot water heater do the rest.
  • 【Safe and Durable Water Heater】Newly updated with protection devices, every piece tankless water heater electric ECO65 goes through strict tests to ensure 100% safety. Inner water and electricity lines are specially designed to run separated so as to avoid leakage risk or scale build up. The on demand hot water heater ECO65 qualifies for ETL standard, you can expect outstanding performance for years to come.
  • 【Point of Use Water Heater】The sleek tankless water heater electric ECO65 is compact as an oatmeal box, making it possible to install any place as point of use water heater to avoid energy and water waste, ideal for kitchen sink, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 6.5kW@240V(ONLY); dimensions 10.3" (W) x 15.4" (H) x 2" (D); plumbing connections :1/2" NPT.
No. 19
HE 90240 Heating Element, Replacement for EcoSmart ECO 18 27 36, 9KW 240V Water Heater Element for Electric Tankless Water Heaters, Screw-In,Copper, 2PCS
  • Standard Design: HE 90240 heating element parameter- 9000W/240V. Perfect replacement for Ecosmart water heater element. Please verify this model is the right replacement part for your water heater.
  • Water Heater Models: HE 90240 heating element compatible with Ecosmart Eco 18 Eco 24 Eco 27 Eco 36, compatible with IHeat/Drakken AH18 AH24 AH27 AHS18D AHS24D AHS27D, compatible with Eemax HA018240 HA024240 HA027240 HA036240 PR018240 PR024240 PR027240 PR036240, compatible with Rheem RTEX-18 RTEX-24 RTEX-27 RTEX-36 RETEX-18 RETEX-24 RETEX-27 RETEX-36, compatible with Richmond RMTEX-18 RMTEX-24 RMTEX-27 RMTEX-36.
  • 90240 Heater Element: The hot water heater element replaces the damaged heating element which may cause low water temperature, abnormal water pressure, slow to heat, or even doesn’t deliver hot water at all. Replacing the water heater accessories and parts to keep your water hot, taking just minutes. Cost-effective replacement for EcoSmart heating element 9kw.
  • High Durability: This water heater element is constructed from copper tubing with anti-oxidation coating for good toughness, excellent thermal conductivity, efficient heat transfer, and non-corrosive property. Designed for long-lasting performance and stable quality, the heating element is perfect to extend the life of your water heater as replacement for Eco heating element, offering you considerable savings.
  • Simple Screw-in Installation: This heating element features easy screw assembly, easy to install, and easy to remove. Each product includes a standard o ring gasket for better sealing of heating elements in the tanks of electric water heaters. Quite convenient replacement for Ecosmart Heater Element.
No. 20
HE 90240 Heating Element, 3 Pack Replacement for EcoSmart ECO 18 27 36, 9KW 240V Heating Element for Electric Tankless Water Heaters, Screw-In, Copper
  • Standard Design: HE 90240 heating element parameter- 9000W/240V. Perfect replacement for Ecosmart 18 27 36 water heater element. Please verify this model is the right replacement for Eco water heater element.
  • Water Heater Models: HE 90240 heating element compatible with Ecosmart Eco 18 Eco 24 Eco 27 Eco 36, compatible with IHeat/Drakken AH18 AH24 AH27 AHS18D AHS24D AHS27D, compatible with Eemax HA018240 HA024240 HA027240 HA036240 PR018240 PR024240 PR027240 PR036240, compatible with Rheem RTEX-18 RTEX-24 RTEX-27 RTEX-36 RETEX-18 RETEX-24 RETEX-27 RETEX-36, compatible with Richmond RMTEX-18 RMTEX-24 RMTEX-27 RMTEX-36.
  • He 90240 Heater Element: The hot water heater element replaces the damaged heating element which may cause low water temperature, abnormal water pressure, slow to heat, or even doesn’t deliver hot water at all. Replacing the water heater accessories and parts to keep your water hot, taking just minutes. Cost-effective replacement for EcoSmart heating element 9kw.
  • High Durability: This water heater element is constructed from copper tubing with anti-oxidation coating for good toughness, excellent thermal conductivity, efficient heat transfer, and non-corrosive property. Designed for long-lasting performance and stable quality, the heating element is perfect to extend the life of your water heater as replacement for Ecosmart heating element, offering you considerable savings.
  • Simple Screw-in Installation: This he 90240 heating element features easy screw assembly, easy to install, and easy to remove. Each product includes a standard o ring gasket for better sealing of heating elements in the tanks of electric water heaters. Quite convenient replacement for Ecosmart Heater Element.

How to choose a good ecosmart tankless water heater

Does the idea of finding a fantastic ecosmart tankless water heater make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in ecosmart tankless water heater. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top ecosmart tankless water heater products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top ecosmart tankless water heater on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top ecosmart tankless water heater brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top ecosmart tankless water heater based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the ecosmart tankless water heater were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good ecosmart tankless water heater, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your ecosmart tankless water heater.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting ecosmart tankless water heater for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our ecosmart tankless water heater. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what ecosmart tankless water heater should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on ecosmart tankless water heater.