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15 best tankless water heaters passed our test 2022

A tankless water heater is a device that many consumers favor because of its affordable price and its ability to heat water quickly. However, on the market, many direct water heater models of different brands confuse consumers when choosing. If you are also looking for the best tankless water heater, do not miss the following models.


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1
  • SCORE
    9.2
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  • Brand
    Stiebel Eltron
TOP Choice
2
  • SCORE
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  • Brand
    Stiebel Eltron
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  • SCORE
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  • Brand
    Rheem
4
  • SCORE
    9.0
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  • Brand
    Rheem
5
  • SCORE
    9.0
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  • Brand
    Rheem
6
  • SCORE
    9.2
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  • Brand
    EZ Tankless
7
  • SCORE
    8.8
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  • Brand
    EcoSmart
8
  • SCORE
    9.2
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  • Brand
    Stiebel Eltron
9
  • SCORE
    9.0
    AI Score

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  • Brand
    Rinnai
10
  • SCORE
    8.8
    AI Score

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  • Brand
    EcoSmart

Last update on 2022-09-28 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

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OUR TOP PICKS

 

 

1. BEST OVERALL: Rheem RETEX-27 Performance 27 kw Self-Modulating 5.3 GPM Electric Tankless Water Heater 

 

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  • Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
  • Great investment and value: energy cost savings
  • Read more

This water heater has a 55W DC Inverter booster pump to help you save energy and ensure water pressure. Besides, its dual thermostat will automatically turn off the heating feature when the water is overheated, avoiding burns. A luxurious, beautiful design, especially extremely compact, saves space in your bathroom.

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2. BEST QUALITY: Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater

 

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  • Endless hot water, On-demand usage, Compact, Space saving, Energy conservation
  • Computerized safety features, No pilot light to have to worry about
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This water heater from the Tagaki brand can generate up to 10 GPM, providing a quick source of hot water for you to use. Besides, this best tankless water heater is certified by Energy Star, which saves energy by capturing heat from flue gas generated by secondary heat exchangers.

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3. BEST BUDGET: EcoSmart ECO 18 Electric Tankless Water Heater

 

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  • 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 
  • Read more

EcoSmart is a popular brand of tankless electric water heaters, and this ECO 27 water heater, in particular, is well equipped to meet your family's hot water needs. This best tankless water heater has flow rates ranging from 2.7 to 6.5 GPM, which is enough to run the shower and sink fixture at the same time.

 

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*The prices of the products are just right at the moment when we check. They are subject to changes by the Seller, so some may be slightly different from those found on Amazon when you see them. Please note that they are just for reference. If you want to know the exact price, don't hesitate to check Amazon.


JULIAN WANG
JULIAN WANG
JULIAN WANG has been working in the electronics industry for almost a decade. His major at university is Electronics Engineering. In fact, JULIAN WANG has developed a deep interest in electronic devices since he was in high school. He has constantly updated the latest news about electronic gadgets as well as new innovations. With his profound knowledge of electronics, he hopes to offer you the most reliable and helpful reviews.