Best Ecosmart Tankless Water Heater

16.6k reviews scanned and analysysed
Vance Diaz
Vance Diaz Writer
Last Updated: Oct 22, 2024 Share On:

It's not an easy job to find the best ecosmart tankless water heater.

In our research, we found 521 relevant products. Then, after analyzing 16551 reviews, we selected 10 products to make this list.

Come on, let's get started.

A Quick Look: Our Top Picks

Top 1
Ecosmart ECO 11 Electric Tankless Water Heater
9.8We rank the products based on a number of factors such as features, price, customer reviews and so on.

Ecosmart ECO 11 Electric Tankless Water Heater

Top 1 Ecosmart ECO 11 Electric Tankless Water Heater

Ecosmart ECO 11 Electric Tankless Water Heater

Read More Check Price
Top 2
Ecosmart ECO 18 Electric Tankless Water Heater
9.6We rank the products based on a number of factors such as features, price, customer reviews and so on.

Ecosmart ECO 18 Electric Tankless Water Heater

Top 2 Ecosmart ECO 18 Electric Tankless Water Heater

Ecosmart ECO 18 Electric Tankless Water Heater

Read More Check Price
Top 3
Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater
9.3We rank the products based on a number of factors such as features, price, customer reviews and so on.

Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater

Top 3 Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater

Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater

Read More Check Price

*Note The result is based on our independent research, and we are reader-supported and do not promote any brand or retailer. As a member of Amazon Marketing Affiliates, we may receive a commission from qualified purchases.

Top 10 Ecosmart Tankless Water Heater Reviews 2024 In Detail

1 Editor's Choice

Ecosmart ECO 11 Electric Tankless Water Heater

ECOSMARTBrand ECO 11Model 11.5H*3.75L*8.0W inchesDimension 6.5 lbWeight
Ecosmart ECO 11 Electric Tankless Water Heater cover
Ecosmart ECO 11 Electric Tankless Water Heater thumb #1Ecosmart ECO 11 Electric Tankless Water Heater thumb #2Ecosmart ECO 11 Electric Tankless Water Heater thumb #3Ecosmart ECO 11 Electric Tankless Water Heater thumb #4Ecosmart ECO 11 Electric Tankless Water Heater thumb #5Ecosmart ECO 11 Electric Tankless Water Heater thumb #6Ecosmart ECO 11 Electric Tankless Water Heater thumb #7Ecosmart ECO 11 Electric Tankless Water Heater thumb #8Ecosmart ECO 11 Electric Tankless Water Heater thumb #9Ecosmart ECO 11 Electric Tankless Water Heater thumb #10Ecosmart ECO 11 Electric Tankless Water Heater thumb #11
9.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
Save 36% + FreeShipping

Features
  • 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
2 Editor's Choice

Ecosmart ECO 18 Electric Tankless Water Heater

ECOSMARTBrand ECO 18Model 17.0H*3.62L*14.0W inchesDimension 14.0 lbWeight
Ecosmart ECO 18 Electric Tankless Water Heater cover
Ecosmart ECO 18 Electric Tankless Water Heater thumb #1Ecosmart ECO 18 Electric Tankless Water Heater thumb #2Ecosmart ECO 18 Electric Tankless Water Heater thumb #3Ecosmart ECO 18 Electric Tankless Water Heater thumb #4Ecosmart ECO 18 Electric Tankless Water Heater thumb #5Ecosmart ECO 18 Electric Tankless Water Heater thumb #6Ecosmart ECO 18 Electric Tankless Water Heater thumb #7Ecosmart ECO 18 Electric Tankless Water Heater thumb #8
9.6We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
Save 7% + FreeShipping

Features
  • 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
3 Editor's Choice

Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater

ECOSMARTBrand ECO 36Model 17.0H*3.6L*21.0W inchesDimension 18.35 lbWeight
Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater cover
Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater thumb #1Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater thumb #2Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater thumb #3Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater thumb #4Ecosmart ECO 36 36Kw 240V Electric Tankless Water Heater thumb #5
9.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$$
Save 41% + FreeShipping

Features
  • 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
4

Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater

ECOSMARTBrand ac_dcModel 17.0H*17.0L*17.0W inchesDimension 14.25 lbWeight
Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater cover
Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater thumb #1Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater thumb #2Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater thumb #3Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater thumb #4Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater thumb #5Ecosmart AC_DC Eco 24 24 Kw At 240-Volt Electric Tankless Water Heater thumb #6
9.0We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $$$
Save 10% + FreeShipping

Features
  • 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
5

Ecosmart ECO 8 Tankless Water Heater

ECOSMARTBrand ECO 8Model 12.0H*4.0L*8.0W inchesDimension 4.75 lbWeight
Ecosmart ECO 8 Tankless Water Heater cover
Ecosmart ECO 8 Tankless Water Heater thumb #1Ecosmart ECO 8 Tankless Water Heater thumb #2Ecosmart ECO 8 Tankless Water Heater thumb #3Ecosmart ECO 8 Tankless Water Heater thumb #4
8.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
Save 16%

Features
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
6

Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater

ECOSMARTBrand POU-6TModel 7.0H*11.0L*11.0W inchesDimension 4.0 lbWeight
Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater cover
Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater thumb #1Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater thumb #2Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater thumb #3Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater thumb #4Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater thumb #5Ecosmart POU-6T 6T 6.5Kw 240V Thermostatic Point Of Use Tankless Electric Water Heater thumb #6
8.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
FreeShipping

Features
  • 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.
7

Ecosmart POU35 Pou 3.5 Point Of Use Electric Tankless Water Heater

ECOSMARTBrand POU35Model 3.0H*6.0L*11.0W inchesDimension 4.0 lbWeight
Ecosmart POU35 Pou 3.5 Point Of Use Electric Tankless Water Heater cover
Ecosmart POU35 Pou 3.5 Point Of Use Electric Tankless Water Heater thumb #1Ecosmart POU35 Pou 3.5 Point Of Use Electric Tankless Water Heater thumb #2Ecosmart POU35 Pou 3.5 Point Of Use Electric Tankless Water Heater thumb #3
8.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
Save 8% + FreeShipping

Features
  • 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 inch NPT
  • Max temperature rise @ .5 GMP is 47.8F Max temperature rise @ 1GPM is 23.9F Max temperature rise @ 1.5 GPM is 15.9F
8

Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater

ECOSMARTBrand POU 4TModel 7.0H*11.0L*11.0W inchesDimension 4.0 lbWeight
Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater cover
Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater thumb #1Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater thumb #2Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater thumb #3Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater thumb #4Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater thumb #5Ecosmart POU 4T 3.5Kw 120V Thermostatic Point Of Use Tankless Electric Water Heater thumb #6
8.4We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
FreeShipping

Features
  • 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 4T 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.
9

Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater

ECOSMARTBrand ECO MINI 2.5Model 17.0H*10.94L*10.94W inchesDimension 15.8 lbWeight
Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater cover
Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater thumb #1Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater thumb #2
8.3We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
Save 11% + FreeShipping

Features
  • 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
10

Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater

ECOSMART USBrand 19.0H*9.25L*9.25W inchesDimension 10.9 lbWeight
Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater cover
Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #1Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #2Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #3Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #4Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #5Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #6Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #7Ecosmart Us Ecosmart Ecos 27 Tankless Electric Water Heater thumb #8
8.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $$$
Save 11% + FreeShipping

Features
  • 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 ECOS 27 Sizing; 27-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 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

FAQ & Notes

Vance Diaz Written By Vance Diaz

During our research, we found more than 521 related products, with prices ranging from $169.0 to $489.97, and most customers would pay around $288 for this type of product.

What are the top brands of Ecosmart Tankless Water Heater?

There are 2 brands available for Ecosmart Tankless Water Heater, such as Ecosmart, Ecosmart Us.

What are the available sellers for Ecosmart Tankless Water Heater?

There are 3 sellers available for Ecosmart Tankless Water Heater, including Amazon.com ( 4.68 / 5 ), Hearthshire ( 4.78 / 5 ), Short Dave's Sales ( 4.68 / 5 ).

Price comparison of the top 10 Ecosmart Tankless Water Heater

*Note: Prices based on historical data.

Price comparison of the top 10 Ecosmart Tankless Water Heater highly recommended

*Note: Prices based on historical data.

The Verdict

After thorough consideration, we have selected the product ECOSMART ECO 11 as your preferred option.