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10 Best

Tankless Gas Water Heaters

of December 2023

112M consumers helped this year.

1. 

   Rinnai RU130iN Natural Gas Condensing Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 7 GPM

   Rinnai RU130iN Natural Gas Condensing Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 7 GPM

   Rinnai

   9.7

   more info

   Buy it on Amazon
2. 

   Rinnai V65iN Non-Condensing Natural Gas Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 6.5 GPM

   Rinnai V65iN Non-Condensing Natural Gas Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 6.5 GPM

   Rinnai

   9.4

   more info

   Buy it on Amazon
3. 

   Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric, On Demand Hot Water, Eco, White

   Stiebel Eltron Tankless Heater – Tempra 36 Plus – Electric, On Demand Hot Water, Eco, White

   Stiebel Eltron

   9.1

   more info

   Buy it on Amazon
4. 

   Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

   Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

   Rinnai

   8.9

   more info

   Buy it on Amazon
7.9 Reviews
How we Score
9.5 features quality
8.9 popularity
8.4 brand reputation
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5. 

   Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

   Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

   Bosch Thermotechnology

   8.5

   more info

   Buy it on Amazon
6. 

   EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

   EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

   Ecosmart

   8.2

   more info

   Buy it on Amazon
7. 

   Rheem 8kW 240V Tankless Electric Water Heater

   Rheem 8kW 240V Tankless Electric Water Heater

   Rheem

   8.0

   more info

   Buy it on Amazon
8. 

   EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

   EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

   Ecosmart

   7.8

   more info

   Buy it on Amazon
9. 

   Rinnai V53DeP Propane Tankless Water Heater with Space-Saving Design and Smart Features, Outdoor Installation, 5.3 GPM

   Rinnai V53DeP Propane Tankless Water Heater with Space-Saving Design and Smart Features, Outdoor Installation, 5.3 GPM

   Rinnai

   7.5

   more info

   Buy it on Amazon
10. 

    Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 BTU, Gray

    Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 BTU, Gray

    Rinnai

    7.3

    more info

    Buy it on Amazon

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